text: /******/ (function(modules) { // webpackBootstrap
  /******/ 	// The module cache
  /******/ 	var installedModules = {};
  
  /******/ 	// The require function
  /******/ 	function __webpack_require__(moduleId) {
  
  /******/ 		// Check if module is in cache
  /******/ 		if(installedModules[moduleId])
  /******/ 			return installedModules[moduleId].exports;
  
  /******/ 		// Create a new module (and put it into the cache)
  /******/ 		var module = installedModules[moduleId] = {
  /******/ 			exports: {},
  /******/ 			id: moduleId,
  /******/ 			loaded: false
  /******/ 		};
  
  /******/ 		// Execute the module function
  /******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
  
  /******/ 		// Flag the module as loaded
  /******/ 		module.loaded = true;
  
  /******/ 		// Return the exports of the module
  /******/ 		return module.exports;
  /******/ 	}
  
  
  /******/ 	// expose the modules object (__webpack_modules__)
  /******/ 	__webpack_require__.m = modules;
  
  /******/ 	// expose the module cache
  /******/ 	__webpack_require__.c = installedModules;
  
  /******/ 	// __webpack_public_path__
  /******/ 	__webpack_require__.p = "";
  
  /******/ 	// Load entry module and return exports
  /******/ 	return __webpack_require__(0);
  /******/ })
  /************************************************************************/
  /******/ ([
  /* 0 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	__webpack_require__(1)({
  		plugins: ['./../../src']
  	});
  
  	var consoleGroup = __webpack_require__(3);
  
  	if (!console.group) {
  		consoleGroup.install();
  	}
  
  	__webpack_require__(8);
  	__webpack_require__(54);
  	__webpack_require__(55);
  	__webpack_require__(56);
  	__webpack_require__(57);
  
  /***/ }),
  /* 1 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	/* eslint max-len: 0 */
  	// TODO: eventually deprecate this console.trace("use the `babel-register` package instead of `babel-core/register`");
  	module.exports = __webpack_require__(2);
  
  
  /***/ }),
  /* 2 */
  /***/ (function(module, exports) {
  
  	"use strict";
  
  	exports.__esModule = true;
  
  	exports.default = function () {};
  
  	module.exports = exports["default"];
  
  /***/ }),
  /* 3 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var util = __webpack_require__( 4 );
  	var originalLog = console.log;
  	var prefix = '';
  
  	function format ( args ) {
  		return util.format.apply( null, args ).replace( /^/gm, prefix );
  	}
  
  	function consoleLog () {
  		this._stdout.write( format( arguments ) + '\n' );
  	}
  
  	function consoleGroup () {
  		prefix += '⎢ ';
  		this._stdout.write( '\u001b[1m' + format( arguments ) + '\u001b[22m\n' );
  	}
  
  	function consoleGroupEnd () {
  		prefix = prefix.slice( 0, -2 );
  		console.log( '⎣' );
  	}
  
  	function install () {
  		console.log = consoleLog;
  		console.group = consoleGroup;
  		console.groupEnd = consoleGroupEnd;
  	}
  
  	function teardown () {
  		console.log = originalLog;
  		delete console.group;
  		delete console.groupEnd;
  	}
  
  	exports.install = install;
  	exports.teardown = teardown;
  
  /***/ }),
  /* 4 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	/* WEBPACK VAR INJECTION */(function(global, process) {// Copyright Joyent, Inc. and other Node contributors.
  	//
  	// Permission is hereby granted, free of charge, to any person obtaining a
  	// copy of this software and associated documentation files (the
  	// "Software"), to deal in the Software without restriction, including
  	// without limitation the rights to use, copy, modify, merge, publish,
  	// distribute, sublicense, and/or sell copies of the Software, and to permit
  	// persons to whom the Software is furnished to do so, subject to the
  	// following conditions:
  	//
  	// The above copyright notice and this permission notice shall be included
  	// in all copies or substantial portions of the Software.
  	//
  	// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  	// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  	// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
  	// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  	// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  	// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  	// USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  	var formatRegExp = /%[sdj%]/g;
  	exports.format = function(f) {
  	  if (!isString(f)) {
  	    var objects = [];
  	    for (var i = 0; i < arguments.length; i++) {
  	      objects.push(inspect(arguments[i]));
  	    }
  	    return objects.join(' ');
  	  }
  
  	  var i = 1;
  	  var args = arguments;
  	  var len = args.length;
  	  var str = String(f).replace(formatRegExp, function(x) {
  	    if (x === '%%') return '%';
  	    if (i >= len) return x;
  	    switch (x) {
  	      case '%s': return String(args[i++]);
  	      case '%d': return Number(args[i++]);
  	      case '%j':
  	        try {
  	          return JSON.stringify(args[i++]);
  	        } catch (_) {
  	          return '[Circular]';
  	        }
  	      default:
  	        return x;
  	    }
  	  });
  	  for (var x = args[i]; i < len; x = args[++i]) {
  	    if (isNull(x) || !isObject(x)) {
  	      str += ' ' + x;
  	    } else {
  	      str += ' ' + inspect(x);
  	    }
  	  }
  	  return str;
  	};
  
  
  	// Mark that a method should not be used.
  	// Returns a modified function which warns once by default.
  	// If --no-deprecation is set, then it is a no-op.
  	exports.deprecate = function(fn, msg) {
  	  // Allow for deprecating things in the process of starting up.
  	  if (isUndefined(global.process)) {
  	    return function() {
  	      return exports.deprecate(fn, msg).apply(this, arguments);
  	    };
  	  }
  
  	  if (process.noDeprecation === true) {
  	    return fn;
  	  }
  
  	  var warned = false;
  	  function deprecated() {
  	    if (!warned) {
  	      if (process.throwDeprecation) {
  	        throw new Error(msg);
  	      } else if (process.traceDeprecation) {
  	        console.trace(msg);
  	      } else {
  	        console.error(msg);
  	      }
  	      warned = true;
  	    }
  	    return fn.apply(this, arguments);
  	  }
  
  	  return deprecated;
  	};
  
  
  	var debugs = {};
  	var debugEnviron;
  	exports.debuglog = function(set) {
  	  if (isUndefined(debugEnviron))
  	    debugEnviron = process.env.NODE_DEBUG || '';
  	  set = set.toUpperCase();
  	  if (!debugs[set]) {
  	    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
  	      var pid = process.pid;
  	      debugs[set] = function() {
  	        var msg = exports.format.apply(exports, arguments);
  	        console.error('%s %d: %s', set, pid, msg);
  	      };
  	    } else {
  	      debugs[set] = function() {};
  	    }
  	  }
  	  return debugs[set];
  	};
  
  
  	/**
  	 * Echos the value of a value. Trys to print the value out
  	 * in the best way possible given the different types.
  	 *
  	 * @param {Object} obj The object to print out.
  	 * @param {Object} opts Optional options object that alters the output.
  	 */
  	/* legacy: obj, showHidden, depth, colors*/
  	function inspect(obj, opts) {
  	  // default options
  	  var ctx = {
  	    seen: [],
  	    stylize: stylizeNoColor
  	  };
  	  // legacy...
  	  if (arguments.length >= 3) ctx.depth = arguments[2];
  	  if (arguments.length >= 4) ctx.colors = arguments[3];
  	  if (isBoolean(opts)) {
  	    // legacy...
  	    ctx.showHidden = opts;
  	  } else if (opts) {
  	    // got an "options" object
  	    exports._extend(ctx, opts);
  	  }
  	  // set default options
  	  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
  	  if (isUndefined(ctx.depth)) ctx.depth = 2;
  	  if (isUndefined(ctx.colors)) ctx.colors = false;
  	  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
  	  if (ctx.colors) ctx.stylize = stylizeWithColor;
  	  return formatValue(ctx, obj, ctx.depth);
  	}
  	exports.inspect = inspect;
  
  
  	// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
  	inspect.colors = {
  	  'bold' : [1, 22],
  	  'italic' : [3, 23],
  	  'underline' : [4, 24],
  	  'inverse' : [7, 27],
  	  'white' : [37, 39],
  	  'grey' : [90, 39],
  	  'black' : [30, 39],
  	  'blue' : [34, 39],
  	  'cyan' : [36, 39],
  	  'green' : [32, 39],
  	  'magenta' : [35, 39],
  	  'red' : [31, 39],
  	  'yellow' : [33, 39]
  	};
  
  	// Don't use 'blue' not visible on cmd.exe
  	inspect.styles = {
  	  'special': 'cyan',
  	  'number': 'yellow',
  	  'boolean': 'yellow',
  	  'undefined': 'grey',
  	  'null': 'bold',
  	  'string': 'green',
  	  'date': 'magenta',
  	  // "name": intentionally not styling
  	  'regexp': 'red'
  	};
  
  
  	function stylizeWithColor(str, styleType) {
  	  var style = inspect.styles[styleType];
  
  	  if (style) {
  	    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
  	           '\u001b[' + inspect.colors[style][1] + 'm';
  	  } else {
  	    return str;
  	  }
  	}
  
  
  	function stylizeNoColor(str, styleType) {
  	  return str;
  	}
  
  
  	function arrayToHash(array) {
  	  var hash = {};
  
  	  array.forEach(function(val, idx) {
  	    hash[val] = true;
  	  });
  
  	  return hash;
  	}
  
  
  	function formatValue(ctx, value, recurseTimes) {
  	  // Provide a hook for user-specified inspect functions.
  	  // Check that value is an object with an inspect function on it
  	  if (ctx.customInspect &&
  	      value &&
  	      isFunction(value.inspect) &&
  	      // Filter out the util module, it's inspect function is special
  	      value.inspect !== exports.inspect &&
  	      // Also filter out any prototype objects using the circular check.
  	      !(value.constructor && value.constructor.prototype === value)) {
  	    var ret = value.inspect(recurseTimes, ctx);
  	    if (!isString(ret)) {
  	      ret = formatValue(ctx, ret, recurseTimes);
  	    }
  	    return ret;
  	  }
  
  	  // Primitive types cannot have properties
  	  var primitive = formatPrimitive(ctx, value);
  	  if (primitive) {
  	    return primitive;
  	  }
  
  	  // Look up the keys of the object.
  	  var keys = Object.keys(value);
  	  var visibleKeys = arrayToHash(keys);
  
  	  if (ctx.showHidden) {
  	    keys = Object.getOwnPropertyNames(value);
  	  }
  
  	  // IE doesn't make error fields non-enumerable
  	  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
  	  if (isError(value)
  	      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
  	    return formatError(value);
  	  }
  
  	  // Some type of object without properties can be shortcutted.
  	  if (keys.length === 0) {
  	    if (isFunction(value)) {
  	      var name = value.name ? ': ' + value.name : '';
  	      return ctx.stylize('[Function' + name + ']', 'special');
  	    }
  	    if (isRegExp(value)) {
  	      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
  	    }
  	    if (isDate(value)) {
  	      return ctx.stylize(Date.prototype.toString.call(value), 'date');
  	    }
  	    if (isError(value)) {
  	      return formatError(value);
  	    }
  	  }
  
  	  var base = '', array = false, braces = ['{', '}'];
  
  	  // Make Array say that they are Array
  	  if (isArray(value)) {
  	    array = true;
  	    braces = ['[', ']'];
  	  }
  
  	  // Make functions say that they are functions
  	  if (isFunction(value)) {
  	    var n = value.name ? ': ' + value.name : '';
  	    base = ' [Function' + n + ']';
  	  }
  
  	  // Make RegExps say that they are RegExps
  	  if (isRegExp(value)) {
  	    base = ' ' + RegExp.prototype.toString.call(value);
  	  }
  
  	  // Make dates with properties first say the date
  	  if (isDate(value)) {
  	    base = ' ' + Date.prototype.toUTCString.call(value);
  	  }
  
  	  // Make error with message first say the error
  	  if (isError(value)) {
  	    base = ' ' + formatError(value);
  	  }
  
  	  if (keys.length === 0 && (!array || value.length == 0)) {
  	    return braces[0] + base + braces[1];
  	  }
  
  	  if (recurseTimes < 0) {
  	    if (isRegExp(value)) {
  	      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
  	    } else {
  	      return ctx.stylize('[Object]', 'special');
  	    }
  	  }
  
  	  ctx.seen.push(value);
  
  	  var output;
  	  if (array) {
  	    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
  	  } else {
  	    output = keys.map(function(key) {
  	      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
  	    });
  	  }
  
  	  ctx.seen.pop();
  
  	  return reduceToSingleString(output, base, braces);
  	}
  
  
  	function formatPrimitive(ctx, value) {
  	  if (isUndefined(value))
  	    return ctx.stylize('undefined', 'undefined');
  	  if (isString(value)) {
  	    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
  	                                             .replace(/'/g, "\\'")
  	                                             .replace(/\\"/g, '"') + '\'';
  	    return ctx.stylize(simple, 'string');
  	  }
  	  if (isNumber(value))
  	    return ctx.stylize('' + value, 'number');
  	  if (isBoolean(value))
  	    return ctx.stylize('' + value, 'boolean');
  	  // For some reason typeof null is "object", so special case here.
  	  if (isNull(value))
  	    return ctx.stylize('null', 'null');
  	}
  
  
  	function formatError(value) {
  	  return '[' + Error.prototype.toString.call(value) + ']';
  	}
  
  
  	function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
  	  var output = [];
  	  for (var i = 0, l = value.length; i < l; ++i) {
  	    if (hasOwnProperty(value, String(i))) {
  	      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
  	          String(i), true));
  	    } else {
  	      output.push('');
  	    }
  	  }
  	  keys.forEach(function(key) {
  	    if (!key.match(/^\d+$/)) {
  	      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
  	          key, true));
  	    }
  	  });
  	  return output;
  	}
  
  
  	function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
  	  var name, str, desc;
  	  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
  	  if (desc.get) {
  	    if (desc.set) {
  	      str = ctx.stylize('[Getter/Setter]', 'special');
  	    } else {
  	      str = ctx.stylize('[Getter]', 'special');
  	    }
  	  } else {
  	    if (desc.set) {
  	      str = ctx.stylize('[Setter]', 'special');
  	    }
  	  }
  	  if (!hasOwnProperty(visibleKeys, key)) {
  	    name = '[' + key + ']';
  	  }
  	  if (!str) {
  	    if (ctx.seen.indexOf(desc.value) < 0) {
  	      if (isNull(recurseTimes)) {
  	        str = formatValue(ctx, desc.value, null);
  	      } else {
  	        str = formatValue(ctx, desc.value, recurseTimes - 1);
  	      }
  	      if (str.indexOf('\n') > -1) {
  	        if (array) {
  	          str = str.split('\n').map(function(line) {
  	            return '  ' + line;
  	          }).join('\n').substr(2);
  	        } else {
  	          str = '\n' + str.split('\n').map(function(line) {
  	            return '   ' + line;
  	          }).join('\n');
  	        }
  	      }
  	    } else {
  	      str = ctx.stylize('[Circular]', 'special');
  	    }
  	  }
  	  if (isUndefined(name)) {
  	    if (array && key.match(/^\d+$/)) {
  	      return str;
  	    }
  	    name = JSON.stringify('' + key);
  	    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
  	      name = name.substr(1, name.length - 2);
  	      name = ctx.stylize(name, 'name');
  	    } else {
  	      name = name.replace(/'/g, "\\'")
  	                 .replace(/\\"/g, '"')
  	                 .replace(/(^"|"$)/g, "'");
  	      name = ctx.stylize(name, 'string');
  	    }
  	  }
  
  	  return name + ': ' + str;
  	}
  
  
  	function reduceToSingleString(output, base, braces) {
  	  var numLinesEst = 0;
  	  var length = output.reduce(function(prev, cur) {
  	    numLinesEst++;
  	    if (cur.indexOf('\n') >= 0) numLinesEst++;
  	    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
  	  }, 0);
  
  	  if (length > 60) {
  	    return braces[0] +
  	           (base === '' ? '' : base + '\n ') +
  	           ' ' +
  	           output.join(',\n  ') +
  	           ' ' +
  	           braces[1];
  	  }
  
  	  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
  	}
  
  
  	// NOTE: These type checking functions intentionally don't use `instanceof`
  	// because it is fragile and can be easily faked with `Object.create()`.
  	function isArray(ar) {
  	  return Array.isArray(ar);
  	}
  	exports.isArray = isArray;
  
  	function isBoolean(arg) {
  	  return typeof arg === 'boolean';
  	}
  	exports.isBoolean = isBoolean;
  
  	function isNull(arg) {
  	  return arg === null;
  	}
  	exports.isNull = isNull;
  
  	function isNullOrUndefined(arg) {
  	  return arg == null;
  	}
  	exports.isNullOrUndefined = isNullOrUndefined;
  
  	function isNumber(arg) {
  	  return typeof arg === 'number';
  	}
  	exports.isNumber = isNumber;
  
  	function isString(arg) {
  	  return typeof arg === 'string';
  	}
  	exports.isString = isString;
  
  	function isSymbol(arg) {
  	  return typeof arg === 'symbol';
  	}
  	exports.isSymbol = isSymbol;
  
  	function isUndefined(arg) {
  	  return arg === void 0;
  	}
  	exports.isUndefined = isUndefined;
  
  	function isRegExp(re) {
  	  return isObject(re) && objectToString(re) === '[object RegExp]';
  	}
  	exports.isRegExp = isRegExp;
  
  	function isObject(arg) {
  	  return typeof arg === 'object' && arg !== null;
  	}
  	exports.isObject = isObject;
  
  	function isDate(d) {
  	  return isObject(d) && objectToString(d) === '[object Date]';
  	}
  	exports.isDate = isDate;
  
  	function isError(e) {
  	  return isObject(e) &&
  	      (objectToString(e) === '[object Error]' || e instanceof Error);
  	}
  	exports.isError = isError;
  
  	function isFunction(arg) {
  	  return typeof arg === 'function';
  	}
  	exports.isFunction = isFunction;
  
  	function isPrimitive(arg) {
  	  return arg === null ||
  	         typeof arg === 'boolean' ||
  	         typeof arg === 'number' ||
  	         typeof arg === 'string' ||
  	         typeof arg === 'symbol' ||  // ES6 symbol
  	         typeof arg === 'undefined';
  	}
  	exports.isPrimitive = isPrimitive;
  
  	exports.isBuffer = __webpack_require__(6);
  
  	function objectToString(o) {
  	  return Object.prototype.toString.call(o);
  	}
  
  
  	function pad(n) {
  	  return n < 10 ? '0' + n.toString(10) : n.toString(10);
  	}
  
  
  	var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
  	              'Oct', 'Nov', 'Dec'];
  
  	// 26 Feb 16:19:34
  	function timestamp() {
  	  var d = new Date();
  	  var time = [pad(d.getHours()),
  	              pad(d.getMinutes()),
  	              pad(d.getSeconds())].join(':');
  	  return [d.getDate(), months[d.getMonth()], time].join(' ');
  	}
  
  
  	// log is just a thin wrapper to console.log that prepends a timestamp
  	exports.log = function() {
  	  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
  	};
  
  
  	/**
  	 * Inherit the prototype methods from one constructor into another.
  	 *
  	 * The Function.prototype.inherits from lang.js rewritten as a standalone
  	 * function (not on Function.prototype). NOTE: If this file is to be loaded
  	 * during bootstrapping this function needs to be rewritten using some native
  	 * functions as prototype setup using normal JavaScript does not work as
  	 * expected during bootstrapping (see mirror.js in r114903).
  	 *
  	 * @param {function} ctor Constructor function which needs to inherit the
  	 *     prototype.
  	 * @param {function} superCtor Constructor function to inherit prototype from.
  	 */
  	exports.inherits = __webpack_require__(7);
  
  	exports._extend = function(origin, add) {
  	  // Don't do anything if add isn't an object
  	  if (!add || !isObject(add)) return origin;
  
  	  var keys = Object.keys(add);
  	  var i = keys.length;
  	  while (i--) {
  	    origin[keys[i]] = add[keys[i]];
  	  }
  	  return origin;
  	};
  
  	function hasOwnProperty(obj, prop) {
  	  return Object.prototype.hasOwnProperty.call(obj, prop);
  	}
  
  	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(5)))
  
  /***/ }),
  /* 5 */
  /***/ (function(module, exports) {
  
  	// shim for using process in browser
  	var process = module.exports = {};
  
  	// cached from whatever global is present so that test runners that stub it
  	// don't break things.  But we need to wrap it in a try catch in case it is
  	// wrapped in strict mode code which doesn't define any globals.  It's inside a
  	// function because try/catches deoptimize in certain engines.
  
  	var cachedSetTimeout;
  	var cachedClearTimeout;
  
  	function defaultSetTimout() {
  	    throw new Error('setTimeout has not been defined');
  	}
  	function defaultClearTimeout () {
  	    throw new Error('clearTimeout has not been defined');
  	}
  	(function () {
  	    try {
  	        if (typeof setTimeout === 'function') {
  	            cachedSetTimeout = setTimeout;
  	        } else {
  	            cachedSetTimeout = defaultSetTimout;
  	        }
  	    } catch (e) {
  	        cachedSetTimeout = defaultSetTimout;
  	    }
  	    try {
  	        if (typeof clearTimeout === 'function') {
  	            cachedClearTimeout = clearTimeout;
  	        } else {
  	            cachedClearTimeout = defaultClearTimeout;
  	        }
  	    } catch (e) {
  	        cachedClearTimeout = defaultClearTimeout;
  	    }
  	} ())
  	function runTimeout(fun) {
  	    if (cachedSetTimeout === setTimeout) {
  	        //normal enviroments in sane situations
  	        return setTimeout(fun, 0);
  	    }
  	    // if setTimeout wasn't available but was latter defined
  	    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
  	        cachedSetTimeout = setTimeout;
  	        return setTimeout(fun, 0);
  	    }
  	    try {
  	        // when when somebody has screwed with setTimeout but no I.E. maddness
  	        return cachedSetTimeout(fun, 0);
  	    } catch(e){
  	        try {
  	            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
  	            return cachedSetTimeout.call(null, fun, 0);
  	        } catch(e){
  	            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
  	            return cachedSetTimeout.call(this, fun, 0);
  	        }
  	    }
  
  
  	}
  	function runClearTimeout(marker) {
  	    if (cachedClearTimeout === clearTimeout) {
  	        //normal enviroments in sane situations
  	        return clearTimeout(marker);
  	    }
  	    // if clearTimeout wasn't available but was latter defined
  	    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
  	        cachedClearTimeout = clearTimeout;
  	        return clearTimeout(marker);
  	    }
  	    try {
  	        // when when somebody has screwed with setTimeout but no I.E. maddness
  	        return cachedClearTimeout(marker);
  	    } catch (e){
  	        try {
  	            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
  	            return cachedClearTimeout.call(null, marker);
  	        } catch (e){
  	            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
  	            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
  	            return cachedClearTimeout.call(this, marker);
  	        }
  	    }
  
  
  
  	}
  	var queue = [];
  	var draining = false;
  	var currentQueue;
  	var queueIndex = -1;
  
  	function cleanUpNextTick() {
  	    if (!draining || !currentQueue) {
  	        return;
  	    }
  	    draining = false;
  	    if (currentQueue.length) {
  	        queue = currentQueue.concat(queue);
  	    } else {
  	        queueIndex = -1;
  	    }
  	    if (queue.length) {
  	        drainQueue();
  	    }
  	}
  
  	function drainQueue() {
  	    if (draining) {
  	        return;
  	    }
  	    var timeout = runTimeout(cleanUpNextTick);
  	    draining = true;
  
  	    var len = queue.length;
  	    while(len) {
  	        currentQueue = queue;
  	        queue = [];
  	        while (++queueIndex < len) {
  	            if (currentQueue) {
  	                currentQueue[queueIndex].run();
  	            }
  	        }
  	        queueIndex = -1;
  	        len = queue.length;
  	    }
  	    currentQueue = null;
  	    draining = false;
  	    runClearTimeout(timeout);
  	}
  
  	process.nextTick = function (fun) {
  	    var args = new Array(arguments.length - 1);
  	    if (arguments.length > 1) {
  	        for (var i = 1; i < arguments.length; i++) {
  	            args[i - 1] = arguments[i];
  	        }
  	    }
  	    queue.push(new Item(fun, args));
  	    if (queue.length === 1 && !draining) {
  	        runTimeout(drainQueue);
  	    }
  	};
  
  	// v8 likes predictible objects
  	function Item(fun, array) {
  	    this.fun = fun;
  	    this.array = array;
  	}
  	Item.prototype.run = function () {
  	    this.fun.apply(null, this.array);
  	};
  	process.title = 'browser';
  	process.browser = true;
  	process.env = {};
  	process.argv = [];
  	process.version = ''; // empty string to avoid regexp issues
  	process.versions = {};
  
  	function noop() {}
  
  	process.on = noop;
  	process.addListener = noop;
  	process.once = noop;
  	process.off = noop;
  	process.removeListener = noop;
  	process.removeAllListeners = noop;
  	process.emit = noop;
  	process.prependListener = noop;
  	process.prependOnceListener = noop;
  
  	process.listeners = function (name) { return [] }
  
  	process.binding = function (name) {
  	    throw new Error('process.binding is not supported');
  	};
  
  	process.cwd = function () { return '/' };
  	process.chdir = function (dir) {
  	    throw new Error('process.chdir is not supported');
  	};
  	process.umask = function() { return 0; };
  
  
  /***/ }),
  /* 6 */
  /***/ (function(module, exports) {
  
  	module.exports = function isBuffer(arg) {
  	  return arg && typeof arg === 'object'
  	    && typeof arg.copy === 'function'
  	    && typeof arg.fill === 'function'
  	    && typeof arg.readUInt8 === 'function';
  	}
  
  /***/ }),
  /* 7 */
  /***/ (function(module, exports) {
  
  	if (typeof Object.create === 'function') {
  	  // implementation from standard node.js 'util' module
  	  module.exports = function inherits(ctor, superCtor) {
  	    ctor.super_ = superCtor
  	    ctor.prototype = Object.create(superCtor.prototype, {
  	      constructor: {
  	        value: ctor,
  	        enumerable: false,
  	        writable: true,
  	        configurable: true
  	      }
  	    });
  	  };
  	} else {
  	  // old school shim for old browsers
  	  module.exports = function inherits(ctor, superCtor) {
  	    ctor.super_ = superCtor
  	    var TempCtor = function () {}
  	    TempCtor.prototype = superCtor.prototype
  	    ctor.prototype = new TempCtor()
  	    ctor.prototype.constructor = ctor
  	  }
  	}
  
  
  /***/ }),
  /* 8 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var nofnLib = __webpack_require__(!(function webpackMissingModule() { var e = new Error("Cannot find module \"../../lib\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()));
  	var _ = __webpack_require__(9);
  	var fast = __webpack_require__(11);
  	var times = 1e5;
  
  	console.group('assign');
  
  	console.time('Object.assign');
  	for (var i = 0; i < times; i++) {
  	       Object.assign({ a: Math.random() }, { b: Math.random(),
  	              c: Math.random(),
  	              d: Math.random(),
  	              e: Math.random(),
  	              f: Math.random(),
  	              g: Math.random(),
  	              h: Math.random() });
  	}
  	console.timeEnd('Object.assign');
  
  	console.time('_.assign');
  	for (var _i = 0; _i < times; _i++) {
  	       _.assign({ a: Math.random() }, { b: Math.random(),
  	              c: Math.random(),
  	              d: Math.random(),
  	              e: Math.random(),
  	              f: Math.random(),
  	              g: Math.random(),
  	              h: Math.random() });
  	}
  	console.timeEnd('_.assign');
  
  	console.time('fast.assign');
  	for (var _i2 = 0; _i2 < times; _i2++) {
  	       fast.assign({ a: Math.random() }, { b: Math.random(),
  	              c: Math.random(),
  	              d: Math.random(),
  	              e: Math.random(),
  	              f: Math.random(),
  	              g: Math.random(),
  	              h: Math.random() });
  	}
  	console.timeEnd('fast.assign');
  
  	console.time('nofnLib.assign');
  	for (var _i3 = 0; _i3 < times; _i3++) {
  	       nofnLib.assign({ a: Math.random() }, { b: Math.random(),
  	              c: Math.random(),
  	              d: Math.random(),
  	              e: Math.random(),
  	              f: Math.random(),
  	              g: Math.random(),
  	              h: Math.random() });
  	}
  	console.timeEnd('nofnLib.assign');
  
  	console.time('nofn.assign');
  	for (var _i4 = 0; _i4 < times; _i4++) {
  	       var _result = { a: Math.random() };
  
  	       for (var _source2 = { b: Math.random(),
  	              c: Math.random(),
  	              d: Math.random(),
  	              e: Math.random(),
  	              f: Math.random(),
  	              g: Math.random(),
  	              h: Math.random() }, _keys2 = Object.keys(_source2), _l2 = _keys2.length, _i6 = 0, _key2; _i6 < _l2; _i6++) {
  	              _key2 = _keys2[_i6];
  	              _result[_key2] = _source2[_key2];
  	       }
  	}
  	console.timeEnd('nofn.assign');
  
  	console.groupEnd();
  
  /***/ }),
  /* 9 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**
  	 * @license
  	 * Lodash <https://lodash.com/>
  	 * Copyright JS Foundation and other contributors <https://js.foundation/>
  	 * Released under MIT license <https://lodash.com/license>
  	 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
  	 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  	 */
  	;(function() {
  
  	  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
  	  var undefined;
  
  	  /** Used as the semantic version number. */
  	  var VERSION = '4.17.11';
  
  	  /** Used as the size to enable large array optimizations. */
  	  var LARGE_ARRAY_SIZE = 200;
  
  	  /** Error message constants. */
  	  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
  	      FUNC_ERROR_TEXT = 'Expected a function';
  
  	  /** Used to stand-in for `undefined` hash values. */
  	  var HASH_UNDEFINED = '__lodash_hash_undefined__';
  
  	  /** Used as the maximum memoize cache size. */
  	  var MAX_MEMOIZE_SIZE = 500;
  
  	  /** Used as the internal argument placeholder. */
  	  var PLACEHOLDER = '__lodash_placeholder__';
  
  	  /** Used to compose bitmasks for cloning. */
  	  var CLONE_DEEP_FLAG = 1,
  	      CLONE_FLAT_FLAG = 2,
  	      CLONE_SYMBOLS_FLAG = 4;
  
  	  /** Used to compose bitmasks for value comparisons. */
  	  var COMPARE_PARTIAL_FLAG = 1,
  	      COMPARE_UNORDERED_FLAG = 2;
  
  	  /** Used to compose bitmasks for function metadata. */
  	  var WRAP_BIND_FLAG = 1,
  	      WRAP_BIND_KEY_FLAG = 2,
  	      WRAP_CURRY_BOUND_FLAG = 4,
  	      WRAP_CURRY_FLAG = 8,
  	      WRAP_CURRY_RIGHT_FLAG = 16,
  	      WRAP_PARTIAL_FLAG = 32,
  	      WRAP_PARTIAL_RIGHT_FLAG = 64,
  	      WRAP_ARY_FLAG = 128,
  	      WRAP_REARG_FLAG = 256,
  	      WRAP_FLIP_FLAG = 512;
  
  	  /** Used as default options for `_.truncate`. */
  	  var DEFAULT_TRUNC_LENGTH = 30,
  	      DEFAULT_TRUNC_OMISSION = '...';
  
  	  /** Used to detect hot functions by number of calls within a span of milliseconds. */
  	  var HOT_COUNT = 800,
  	      HOT_SPAN = 16;
  
  	  /** Used to indicate the type of lazy iteratees. */
  	  var LAZY_FILTER_FLAG = 1,
  	      LAZY_MAP_FLAG = 2,
  	      LAZY_WHILE_FLAG = 3;
  
  	  /** Used as references for various `Number` constants. */
  	  var INFINITY = 1 / 0,
  	      MAX_SAFE_INTEGER = 9007199254740991,
  	      MAX_INTEGER = 1.7976931348623157e+308,
  	      NAN = 0 / 0;
  
  	  /** Used as references for the maximum length and index of an array. */
  	  var MAX_ARRAY_LENGTH = 4294967295,
  	      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
  	      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
  
  	  /** Used to associate wrap methods with their bit flags. */
  	  var wrapFlags = [
  	    ['ary', WRAP_ARY_FLAG],
  	    ['bind', WRAP_BIND_FLAG],
  	    ['bindKey', WRAP_BIND_KEY_FLAG],
  	    ['curry', WRAP_CURRY_FLAG],
  	    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
  	    ['flip', WRAP_FLIP_FLAG],
  	    ['partial', WRAP_PARTIAL_FLAG],
  	    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
  	    ['rearg', WRAP_REARG_FLAG]
  	  ];
  
  	  /** `Object#toString` result references. */
  	  var argsTag = '[object Arguments]',
  	      arrayTag = '[object Array]',
  	      asyncTag = '[object AsyncFunction]',
  	      boolTag = '[object Boolean]',
  	      dateTag = '[object Date]',
  	      domExcTag = '[object DOMException]',
  	      errorTag = '[object Error]',
  	      funcTag = '[object Function]',
  	      genTag = '[object GeneratorFunction]',
  	      mapTag = '[object Map]',
  	      numberTag = '[object Number]',
  	      nullTag = '[object Null]',
  	      objectTag = '[object Object]',
  	      promiseTag = '[object Promise]',
  	      proxyTag = '[object Proxy]',
  	      regexpTag = '[object RegExp]',
  	      setTag = '[object Set]',
  	      stringTag = '[object String]',
  	      symbolTag = '[object Symbol]',
  	      undefinedTag = '[object Undefined]',
  	      weakMapTag = '[object WeakMap]',
  	      weakSetTag = '[object WeakSet]';
  
  	  var arrayBufferTag = '[object ArrayBuffer]',
  	      dataViewTag = '[object DataView]',
  	      float32Tag = '[object Float32Array]',
  	      float64Tag = '[object Float64Array]',
  	      int8Tag = '[object Int8Array]',
  	      int16Tag = '[object Int16Array]',
  	      int32Tag = '[object Int32Array]',
  	      uint8Tag = '[object Uint8Array]',
  	      uint8ClampedTag = '[object Uint8ClampedArray]',
  	      uint16Tag = '[object Uint16Array]',
  	      uint32Tag = '[object Uint32Array]';
  
  	  /** Used to match empty string literals in compiled template source. */
  	  var reEmptyStringLeading = /\b__p \+= '';/g,
  	      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
  	      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
  
  	  /** Used to match HTML entities and HTML characters. */
  	  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
  	      reUnescapedHtml = /[&<>"']/g,
  	      reHasEscapedHtml = RegExp(reEscapedHtml.source),
  	      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
  
  	  /** Used to match template delimiters. */
  	  var reEscape = /<%-([\s\S]+?)%>/g,
  	      reEvaluate = /<%([\s\S]+?)%>/g,
  	      reInterpolate = /<%=([\s\S]+?)%>/g;
  
  	  /** Used to match property names within property paths. */
  	  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
  	      reIsPlainProp = /^\w*$/,
  	      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
  
  	  /**
  	   * Used to match `RegExp`
  	   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
  	   */
  	  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
  	      reHasRegExpChar = RegExp(reRegExpChar.source);
  
  	  /** Used to match leading and trailing whitespace. */
  	  var reTrim = /^\s+|\s+$/g,
  	      reTrimStart = /^\s+/,
  	      reTrimEnd = /\s+$/;
  
  	  /** Used to match wrap detail comments. */
  	  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
  	      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
  	      reSplitDetails = /,? & /;
  
  	  /** Used to match words composed of alphanumeric characters. */
  	  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
  
  	  /** Used to match backslashes in property paths. */
  	  var reEscapeChar = /\\(\\)?/g;
  
  	  /**
  	   * Used to match
  	   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
  	   */
  	  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
  
  	  /** Used to match `RegExp` flags from their coerced string values. */
  	  var reFlags = /\w*$/;
  
  	  /** Used to detect bad signed hexadecimal string values. */
  	  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
  
  	  /** Used to detect binary string values. */
  	  var reIsBinary = /^0b[01]+$/i;
  
  	  /** Used to detect host constructors (Safari). */
  	  var reIsHostCtor = /^\[object .+?Constructor\]$/;
  
  	  /** Used to detect octal string values. */
  	  var reIsOctal = /^0o[0-7]+$/i;
  
  	  /** Used to detect unsigned integer values. */
  	  var reIsUint = /^(?:0|[1-9]\d*)$/;
  
  	  /** Used to match Latin Unicode letters (excluding mathematical operators). */
  	  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
  
  	  /** Used to ensure capturing order of template delimiters. */
  	  var reNoMatch = /($^)/;
  
  	  /** Used to match unescaped characters in compiled string literals. */
  	  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
  
  	  /** Used to compose unicode character classes. */
  	  var rsAstralRange = '\\ud800-\\udfff',
  	      rsComboMarksRange = '\\u0300-\\u036f',
  	      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
  	      rsComboSymbolsRange = '\\u20d0-\\u20ff',
  	      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
  	      rsDingbatRange = '\\u2700-\\u27bf',
  	      rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
  	      rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
  	      rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
  	      rsPunctuationRange = '\\u2000-\\u206f',
  	      rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
  	      rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
  	      rsVarRange = '\\ufe0e\\ufe0f',
  	      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
  
  	  /** Used to compose unicode capture groups. */
  	  var rsApos = "['\u2019]",
  	      rsAstral = '[' + rsAstralRange + ']',
  	      rsBreak = '[' + rsBreakRange + ']',
  	      rsCombo = '[' + rsComboRange + ']',
  	      rsDigits = '\\d+',
  	      rsDingbat = '[' + rsDingbatRange + ']',
  	      rsLower = '[' + rsLowerRange + ']',
  	      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
  	      rsFitz = '\\ud83c[\\udffb-\\udfff]',
  	      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
  	      rsNonAstral = '[^' + rsAstralRange + ']',
  	      rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
  	      rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
  	      rsUpper = '[' + rsUpperRange + ']',
  	      rsZWJ = '\\u200d';
  
  	  /** Used to compose unicode regexes. */
  	  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
  	      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
  	      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
  	      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
  	      reOptMod = rsModifier + '?',
  	      rsOptVar = '[' + rsVarRange + ']?',
  	      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
  	      rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
  	      rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
  	      rsSeq = rsOptVar + reOptMod + rsOptJoin,
  	      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
  	      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
  
  	  /** Used to match apostrophes. */
  	  var reApos = RegExp(rsApos, 'g');
  
  	  /**
  	   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
  	   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
  	   */
  	  var reComboMark = RegExp(rsCombo, 'g');
  
  	  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
  	  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
  
  	  /** Used to match complex or compound words. */
  	  var reUnicodeWord = RegExp([
  	    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
  	    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
  	    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
  	    rsUpper + '+' + rsOptContrUpper,
  	    rsOrdUpper,
  	    rsOrdLower,
  	    rsDigits,
  	    rsEmoji
  	  ].join('|'), 'g');
  
  	  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
  	  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
  
  	  /** Used to detect strings that need a more robust regexp to match words. */
  	  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
  
  	  /** Used to assign default `context` object properties. */
  	  var contextProps = [
  	    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
  	    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
  	    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
  	    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
  	    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
  	  ];
  
  	  /** Used to make template sourceURLs easier to identify. */
  	  var templateCounter = -1;
  
  	  /** Used to identify `toStringTag` values of typed arrays. */
  	  var typedArrayTags = {};
  	  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
  	  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
  	  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
  	  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
  	  typedArrayTags[uint32Tag] = true;
  	  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
  	  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
  	  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
  	  typedArrayTags[errorTag] = typedArrayTags[funcTag] =
  	  typedArrayTags[mapTag] = typedArrayTags[numberTag] =
  	  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
  	  typedArrayTags[setTag] = typedArrayTags[stringTag] =
  	  typedArrayTags[weakMapTag] = false;
  
  	  /** Used to identify `toStringTag` values supported by `_.clone`. */
  	  var cloneableTags = {};
  	  cloneableTags[argsTag] = cloneableTags[arrayTag] =
  	  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
  	  cloneableTags[boolTag] = cloneableTags[dateTag] =
  	  cloneableTags[float32Tag] = cloneableTags[float64Tag] =
  	  cloneableTags[int8Tag] = cloneableTags[int16Tag] =
  	  cloneableTags[int32Tag] = cloneableTags[mapTag] =
  	  cloneableTags[numberTag] = cloneableTags[objectTag] =
  	  cloneableTags[regexpTag] = cloneableTags[setTag] =
  	  cloneableTags[stringTag] = cloneableTags[symbolTag] =
  	  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
  	  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
  	  cloneableTags[errorTag] = cloneableTags[funcTag] =
  	  cloneableTags[weakMapTag] = false;
  
  	  /** Used to map Latin Unicode letters to basic Latin letters. */
  	  var deburredLetters = {
  	    // Latin-1 Supplement block.
  	    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
  	    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
  	    '\xc7': 'C',  '\xe7': 'c',
  	    '\xd0': 'D',  '\xf0': 'd',
  	    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
  	    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
  	    '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
  	    '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
  	    '\xd1': 'N',  '\xf1': 'n',
  	    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
  	    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
  	    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
  	    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
  	    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
  	    '\xc6': 'Ae', '\xe6': 'ae',
  	    '\xde': 'Th', '\xfe': 'th',
  	    '\xdf': 'ss',
  	    // Latin Extended-A block.
  	    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
  	    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
  	    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
  	    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
  	    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
  	    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
  	    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
  	    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
  	    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
  	    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
  	    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
  	    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
  	    '\u0134': 'J',  '\u0135': 'j',
  	    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
  	    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
  	    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
  	    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
  	    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
  	    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
  	    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
  	    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
  	    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
  	    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
  	    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
  	    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
  	    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
  	    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
  	    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
  	    '\u0174': 'W',  '\u0175': 'w',
  	    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
  	    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
  	    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
  	    '\u0132': 'IJ', '\u0133': 'ij',
  	    '\u0152': 'Oe', '\u0153': 'oe',
  	    '\u0149': "'n", '\u017f': 's'
  	  };
  
  	  /** Used to map characters to HTML entities. */
  	  var htmlEscapes = {
  	    '&': '&amp;',
  	    '<': '&lt;',
  	    '>': '&gt;',
  	    '"': '&quot;',
  	    "'": '&#39;'
  	  };
  
  	  /** Used to map HTML entities to characters. */
  	  var htmlUnescapes = {
  	    '&amp;': '&',
  	    '&lt;': '<',
  	    '&gt;': '>',
  	    '&quot;': '"',
  	    '&#39;': "'"
  	  };
  
  	  /** Used to escape characters for inclusion in compiled string literals. */
  	  var stringEscapes = {
  	    '\\': '\\',
  	    "'": "'",
  	    '\n': 'n',
  	    '\r': 'r',
  	    '\u2028': 'u2028',
  	    '\u2029': 'u2029'
  	  };
  
  	  /** Built-in method references without a dependency on `root`. */
  	  var freeParseFloat = parseFloat,
  	      freeParseInt = parseInt;
  
  	  /** Detect free variable `global` from Node.js. */
  	  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
  
  	  /** Detect free variable `self`. */
  	  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
  
  	  /** Used as a reference to the global object. */
  	  var root = freeGlobal || freeSelf || Function('return this')();
  
  	  /** Detect free variable `exports`. */
  	  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
  
  	  /** Detect free variable `module`. */
  	  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
  
  	  /** Detect the popular CommonJS extension `module.exports`. */
  	  var moduleExports = freeModule && freeModule.exports === freeExports;
  
  	  /** Detect free variable `process` from Node.js. */
  	  var freeProcess = moduleExports && freeGlobal.process;
  
  	  /** Used to access faster Node.js helpers. */
  	  var nodeUtil = (function() {
  	    try {
  	      // Use `util.types` for Node.js 10+.
  	      var types = freeModule && freeModule.require && freeModule.require('util').types;
  
  	      if (types) {
  	        return types;
  	      }
  
  	      // Legacy `process.binding('util')` for Node.js < 10.
  	      return freeProcess && freeProcess.binding && freeProcess.binding('util');
  	    } catch (e) {}
  	  }());
  
  	  /* Node.js helper references. */
  	  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
  	      nodeIsDate = nodeUtil && nodeUtil.isDate,
  	      nodeIsMap = nodeUtil && nodeUtil.isMap,
  	      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
  	      nodeIsSet = nodeUtil && nodeUtil.isSet,
  	      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
  
  	  /*--------------------------------------------------------------------------*/
  
  	  /**
  	   * A faster alternative to `Function#apply`, this function invokes `func`
  	   * with the `this` binding of `thisArg` and the arguments of `args`.
  	   *
  	   * @private
  	   * @param {Function} func The function to invoke.
  	   * @param {*} thisArg The `this` binding of `func`.
  	   * @param {Array} args The arguments to invoke `func` with.
  	   * @returns {*} Returns the result of `func`.
  	   */
  	  function apply(func, thisArg, args) {
  	    switch (args.length) {
  	      case 0: return func.call(thisArg);
  	      case 1: return func.call(thisArg, args[0]);
  	      case 2: return func.call(thisArg, args[0], args[1]);
  	      case 3: return func.call(thisArg, args[0], args[1], args[2]);
  	    }
  	    return func.apply(thisArg, args);
  	  }
  
  	  /**
  	   * A specialized version of `baseAggregator` for arrays.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to iterate over.
  	   * @param {Function} setter The function to set `accumulator` values.
  	   * @param {Function} iteratee The iteratee to transform keys.
  	   * @param {Object} accumulator The initial aggregated object.
  	   * @returns {Function} Returns `accumulator`.
  	   */
  	  function arrayAggregator(array, setter, iteratee, accumulator) {
  	    var index = -1,
  	        length = array == null ? 0 : array.length;
  
  	    while (++index < length) {
  	      var value = array[index];
  	      setter(accumulator, value, iteratee(value), array);
  	    }
  	    return accumulator;
  	  }
  
  	  /**
  	   * A specialized version of `_.forEach` for arrays without support for
  	   * iteratee shorthands.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to iterate over.
  	   * @param {Function} iteratee The function invoked per iteration.
  	   * @returns {Array} Returns `array`.
  	   */
  	  function arrayEach(array, iteratee) {
  	    var index = -1,
  	        length = array == null ? 0 : array.length;
  
  	    while (++index < length) {
  	      if (iteratee(array[index], index, array) === false) {
  	        break;
  	      }
  	    }
  	    return array;
  	  }
  
  	  /**
  	   * A specialized version of `_.forEachRight` for arrays without support for
  	   * iteratee shorthands.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to iterate over.
  	   * @param {Function} iteratee The function invoked per iteration.
  	   * @returns {Array} Returns `array`.
  	   */
  	  function arrayEachRight(array, iteratee) {
  	    var length = array == null ? 0 : array.length;
  
  	    while (length--) {
  	      if (iteratee(array[length], length, array) === false) {
  	        break;
  	      }
  	    }
  	    return array;
  	  }
  
  	  /**
  	   * A specialized version of `_.every` for arrays without support for
  	   * iteratee shorthands.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to iterate over.
  	   * @param {Function} predicate The function invoked per iteration.
  	   * @returns {boolean} Returns `true` if all elements pass the predicate check,
  	   *  else `false`.
  	   */
  	  function arrayEvery(array, predicate) {
  	    var index = -1,
  	        length = array == null ? 0 : array.length;
  
  	    while (++index < length) {
  	      if (!predicate(array[index], index, array)) {
  	        return false;
  	      }
  	    }
  	    return true;
  	  }
  
  	  /**
  	   * A specialized version of `_.filter` for arrays without support for
  	   * iteratee shorthands.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to iterate over.
  	   * @param {Function} predicate The function invoked per iteration.
  	   * @returns {Array} Returns the new filtered array.
  	   */
  	  function arrayFilter(array, predicate) {
  	    var index = -1,
  	        length = array == null ? 0 : array.length,
  	        resIndex = 0,
  	        result = [];
  
  	    while (++index < length) {
  	      var value = array[index];
  	      if (predicate(value, index, array)) {
  	        result[resIndex++] = value;
  	      }
  	    }
  	    return result;
  	  }
  
  	  /**
  	   * A specialized version of `_.includes` for arrays without support for
  	   * specifying an index to search from.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to inspect.
  	   * @param {*} target The value to search for.
  	   * @returns {boolean} Returns `true` if `target` is found, else `false`.
  	   */
  	  function arrayIncludes(array, value) {
  	    var length = array == null ? 0 : array.length;
  	    return !!length && baseIndexOf(array, value, 0) > -1;
  	  }
  
  	  /**
  	   * This function is like `arrayIncludes` except that it accepts a comparator.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to inspect.
  	   * @param {*} target The value to search for.
  	   * @param {Function} comparator The comparator invoked per element.
  	   * @returns {boolean} Returns `true` if `target` is found, else `false`.
  	   */
  	  function arrayIncludesWith(array, value, comparator) {
  	    var index = -1,
  	        length = array == null ? 0 : array.length;
  
  	    while (++index < length) {
  	      if (comparator(value, array[index])) {
  	        return true;
  	      }
  	    }
  	    return false;
  	  }
  
  	  /**
  	   * A specialized version of `_.map` for arrays without support for iteratee
  	   * shorthands.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to iterate over.
  	   * @param {Function} iteratee The function invoked per iteration.
  	   * @returns {Array} Returns the new mapped array.
  	   */
  	  function arrayMap(array, iteratee) {
  	    var index = -1,
  	        length = array == null ? 0 : array.length,
  	        result = Array(length);
  
  	    while (++index < length) {
  	      result[index] = iteratee(array[index], index, array);
  	    }
  	    return result;
  	  }
  
  	  /**
  	   * Appends the elements of `values` to `array`.
  	   *
  	   * @private
  	   * @param {Array} array The array to modify.
  	   * @param {Array} values The values to append.
  	   * @returns {Array} Returns `array`.
  	   */
  	  function arrayPush(array, values) {
  	    var index = -1,
  	        length = values.length,
  	        offset = array.length;
  
  	    while (++index < length) {
  	      array[offset + index] = values[index];
  	    }
  	    return array;
  	  }
  
  	  /**
  	   * A specialized version of `_.reduce` for arrays without support for
  	   * iteratee shorthands.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to iterate over.
  	   * @param {Function} iteratee The function invoked per iteration.
  	   * @param {*} [accumulator] The initial value.
  	   * @param {boolean} [initAccum] Specify using the first element of `array` as
  	   *  the initial value.
  	   * @returns {*} Returns the accumulated value.
  	   */
  	  function arrayReduce(array, iteratee, accumulator, initAccum) {
  	    var index = -1,
  	        length = array == null ? 0 : array.length;
  
  	    if (initAccum && length) {
  	      accumulator = array[++index];
  	    }
  	    while (++index < length) {
  	      accumulator = iteratee(accumulator, array[index], index, array);
  	    }
  	    return accumulator;
  	  }
  
  	  /**
  	   * A specialized version of `_.reduceRight` for arrays without support for
  	   * iteratee shorthands.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to iterate over.
  	   * @param {Function} iteratee The function invoked per iteration.
  	   * @param {*} [accumulator] The initial value.
  	   * @param {boolean} [initAccum] Specify using the last element of `array` as
  	   *  the initial value.
  	   * @returns {*} Returns the accumulated value.
  	   */
  	  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
  	    var length = array == null ? 0 : array.length;
  	    if (initAccum && length) {
  	      accumulator = array[--length];
  	    }
  	    while (length--) {
  	      accumulator = iteratee(accumulator, array[length], length, array);
  	    }
  	    return accumulator;
  	  }
  
  	  /**
  	   * A specialized version of `_.some` for arrays without support for iteratee
  	   * shorthands.
  	   *
  	   * @private
  	   * @param {Array} [array] The array to iterate over.
  	   * @param {Function} predicate The function invoked per iteration.
  	   * @returns {boolean} Returns `true` if any element passes the predicate check,
  	   *  else `false`.
  	   */
  	  function arraySome(array, predicate) {
  	    var index = -1,
  	        length = array == null ? 0 : array.length;
  
  	    while (++index < length) {
  	      if (predicate(array[index], index, array)) {
  	        return true;
  	      }
  	    }
  	    return false;
  	  }
  
  	  /**
  	   * Gets the size of an ASCII `string`.
  	   *
  	   * @private
  	   * @param {string} string The string inspect.
  	   * @returns {number} Returns the string size.
  	   */
  	  var asciiSize = baseProperty('length');
  
  	  /**
  	   * Converts an ASCII `string` to an array.
  	   *
  	   * @private
  	   * @param {string} string The string to convert.
  	   * @returns {Array} Returns the converted array.
  	   */
  	  function asciiToArray(string) {
  	    return string.split('');
  	  }
  
  	  /**
  	   * Splits an ASCII `string` into an array of its words.
  	   *
  	   * @private
  	   * @param {string} The string to inspect.
  	   * @returns {Array} Returns the words of `string`.
  	   */
  	  function asciiWords(string) {
  	    return string.match(reAsciiWord) || [];
  	  }
  
  	  /**
  	   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
  	   * without support for iteratee shorthands, which iterates over `collection`
  	   * using `eachFunc`.
  	   *
  	   * @private
  	   * @param {Array|Object} collection The collection to inspect.
  	   * @param {Function} predicate The function invoked per iteration.
  	   * @param {Function} eachFunc The function to iterate over `collection`.
  	   * @returns {*} Returns the found element or its key, else `undefined`.
  	   */
  	  function baseFindKey(collection, predicate, eachFunc) {
  	    var result;
  	    eachFunc(collection, function(value, key, collection) {
  	      if (predicate(value, key, collection)) {
  	        result = key;
  	        return false;
  	      }
  	    });
  	    return result;
  	  }
  
  	  /**
  	   * The base implementation of `_.findIndex` and `_.findLastIndex` without
  	   * support for iteratee shorthands.
  	   *
  	   * @private
  	   * @param {Array} array The array to inspect.
  	   * @param {Function} predicate The function invoked per iteration.
  	   * @param {number} fromIndex The index to search from.
  	   * @param {boolean} [fromRight] Specify iterating from right to left.
  	   * @returns {number} Returns the index of the matched value, else `-1`.
  	   */
  	  function baseFindIndex(array, predicate, fromIndex, fromRight) {
  	    var length = array.length,
  	        index = fromIndex + (fromRight ? 1 : -1);
  
  	    while ((fromRight ? index-- : ++index < length)) {
  	      if (predicate(array[index], index, array)) {
  	        return index;
  	      }
  	    }
  	    return -1;
  	  }
  
  	  /**
  	   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
  	   *
  	   * @private
  	   * @param {Array} array The array to inspect.
  	   * @param {*} value The value to search for.
  	   * @param {number} fromIndex The index to search from.
  	   * @returns {number} Returns the index of the matched value, else `-1`.
  	   */
  	  function baseIndexOf(array, value, fromIndex) {
  	    return value === value
  	      ? strictIndexOf(array, value, fromIndex)
  	      : baseFindIndex(array, baseIsNaN, fromIndex);
  	  }
  
  	  /**
  	   * This function is like `baseIndexOf` except that it accepts a comparator.
  	   *
  	   * @private
  	   * @param {Array} array The array to inspect.
  	   * @param {*} value The value to search for.
  	   * @param {number} fromIndex The index to search from.
  	   * @param {Function} comparator The comparator invoked per element.
  	   * @returns {number} Returns the index of the matched value, else `-1`.
  	   */
  	  function baseIndexOfWith(array, value, fromIndex, comparator) {
  	    var index = fromIndex - 1,
  	        length = array.length;
  
  	    while (++index < length) {
  	      if (comparator(array[index], value)) {
  	        return index;
  	      }
  	    }
  	    return -1;
  	  }
  
  	  /**
  	   * The base implementation of `_.isNaN` without support for number objects.
  	   *
  	   * @private
  	   * @param {*} value The value to check.
  	   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
  	   */
  	  function baseIsNaN(value) {
  	    return value !== value;
  	  }
  
  	  /**
  	   * The base implementation of `_.mean` and `_.meanBy` without support for
  	   * iteratee shorthands.
  	   *
  	   * @private
  	   * @param {Array} array The array to iterate over.
  	   * @param {Function} iteratee The function invoked per iteration.
  	   * @returns {number} Returns the mean.
  	   */
  	  function baseMean(array, iteratee) {
  	    var length = array == null ? 0 : array.length;
  	    return length ? (baseSum(array, iteratee) / length) : NAN;
  	  }
  
  	  /**
  	   * The base implementation of `_.property` without support for deep paths.
  	   *
  	   * @private
  	   * @param {string} key The key of the property to get.
  	   * @returns {Function} Returns the new accessor function.
  	   */
  	  function baseProperty(key) {
  	    return function(object) {
  	      return object == null ? undefined : object[key];
  	    };
  	  }
  
  	  /**
  	   * The base implementation of `_.propertyOf` without support for deep paths.
  	   *
  	   * @private
  	   * @param {Object} object The object to query.
  	   * @returns {Function} Returns the new accessor function.
  	   */
  	  function basePropertyOf(object) {
  	    return function(key) {
  	      return object == null ? undefined : object[key];
  	    };
  	  }
  
  	  /**
  	   * The base implementation of `_.reduce` and `_.reduceRight`, without support
  	   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
  	   *
  	   * @private
  	   * @param {Array|Object} collection The collection to iterate over.
  	   * @param {Function} iteratee The function invoked per iteration.
  	   * @param {*} accumulator The initial value.
  	   * @param {boolean} initAccum Specify using the first or last element of
  	   *  `collection` as the initial value.
  	   * @param {Function} eachFunc The function to iterate over `collection`.
  	   * @returns {*} Returns the accumulated value.
  	   */
  	  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
  	    eachFunc(collection, function(value, index, collection) {
  	      accumulator = initAccum
  	        ? (initAccum = false, value)
  	        : iteratee(accumulator, value, index, collection);
  	    });
  	    return accumulator;
  	  }
  
  	  /**
  	   * The base implementation of `_.sortBy` which uses `comparer` to define the
  	   * sort order of `array` and replaces criteria objects with their corresponding
  	   * values.
  	   *
  	   * @private
  	   * @param {Array} array The array to sort.
  	   * @param {Function} comparer The function to define sort order.
  	   * @returns {Array} Returns `array`.
  	   */
  	  function baseSortBy(array, comparer) {
  	    var length = array.length;
  
  	    array.sort(comparer);
  	    while (length--) {
  	      array[length] = array[length].value;
  	    }
  	    return array;
  	  }
  
  	  /**
  	   * The base implementation of `_.sum` and `_.sumBy` without support for
  	   * iteratee shorthands.
  	   *
  	   * @private
  	   * @param {Array} array The array to iterate over.
  	   * @param {Function} iteratee The function invoked per iteration.
  	   * @returns {number} Returns the sum.
  	   */
  	  function baseSum(array, iteratee) {
  	    var result,
  	        index = -1,
  	        length = array.length;
  
  	    while (++index < length) {
  	      var current = iteratee(array[index]);
  	      if (current !== undefined) {
  	        result = result === undefined ? current : (result + current);
  	      }
  	    }
  	    return result;
  	  }
  
  	  /**
  	   * The base implementation of `_.times` without support for iteratee shorthands
  	   * or max array length checks.
  	   *
  	   * @private
  	   * @param {number} n The number of times to invoke `iteratee`.
  	   * @param {Function} iteratee The function invoked per iteration.
  	   * @returns {Array} Returns the array of results.
  	   */
  	  function baseTimes(n, iteratee) {
  	    var index = -1,
  	        result = Array(n);
  
  	    while (++index < n) {
  	      result[index] = iteratee(index);
  	    }
  	    return result;
  	  }
  
  	  /**
  	   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
  	   * of key-value pairs for `object` corresponding to the property names of `props`.
  	   *
  	   * @private
  	   * @param {Object} object The object to query.
  	   * @param {Array} props The property names to get values for.
  	   * @returns {Object} Returns the key-value pairs.
  	   */
  	  function baseToPairs(object, props) {
  	    return arrayMap(props, function(key) {
  	      return [key, object[key]];
  	    });
  	  }
  
  	  /**
  	   * The base implementation of `_.unary` without support for storing metadata.
  	   *
  	   * @private
  	   * @param {Function} func The function to cap arguments for.
  	   * @returns {Function} Returns the new capped function.
  	   */
  	  function baseUnary(func) {
  	    return function(value) {
  	      return func(value);
  	    };
  	  }
  
  	  /**
  	   * The base implementation of `_.values` and `_.valuesIn` which creates an
  	   * array of `object` property values corresponding to the property names
  	   * of `props`.
  	   *
  	   * @private
  	   * @param {Object} object The object to query.
  	   * @param {Array} props The property names to get values for.
  	   * @returns {Object} Returns the array of property values.
  	   */
  	  function baseValues(object, props) {
  	    return arrayMap(props, function(key) {
  	      return object[key];
  	    });
  	  }
  
  	  /**
  	   * Checks if a `cache` value for `key` exists.
  	   *
  	   * @private
  	   * @param {Object} cache The cache to query.
  	   * @param {string} key The key of the entry to check.
  	   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
  	   */
  	  function cacheHas(cache, key) {
  	    return cache.has(key);
  	  }
  
  	  /**
  	   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
  	   * that is not found in the character symbols.
  	   *
  	   * @private
  	   * @param {Array} strSymbols The string symbols to inspect.
  	   * @param {Array} chrSymbols The character symbols to find.
  	   * @returns {number} Returns the index of the first unmatched string symbol.
  	   */
  	  function charsStartIndex(strSymbols, chrSymbols) {
  	    var index = -1,
  	        length = strSymbols.length;
  
  	    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
  	    return index;
  	  }
  
  	  /**
  	   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
  	   * that is not found in the character symbols.
  	   *
  	   * @private
  	   * @param {Array} strSymbols The string symbols to inspect.
  	   * @param {Array} chrSymbols The character symbols to find.
  	   * @returns {number} Returns the index of the last unmatched string symbol.
  	   */
  	  function charsEndIndex(strSymbols, chrSymbols) {
  	    var index = strSymbols.length;
  
  	    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
  	    return index;
  	  }
  
  	  /**
  	   * Gets the number of `placeholder` occurrences in `array`.
  	   *
  	   * @private
  	   * @param {Array} array The array to inspect.
  	   * @param {*} placeholder The placeholder to search for.
  	   * @returns {number} Returns the placeholder count.
  	   */
  	  function countHolders(array, placeholder) {
  	    var length = array.length,
  	        result = 0;
  
  	    while (length--) {
  	      if (array[length] === placeholder) {
  	        ++result;
  	      }
  	    }
  	    return result;
  	  }
  
  	  /**
  	   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
  	   * letters to basic Latin letters.
  	   *
  	   * @private
  	   * @param {string} letter The matched letter to deburr.
  	   * @returns {string} Returns the deburred letter.
  	   */
  	  var deburrLetter = basePropertyOf(deburredLetters);
  
  	  /**
  	   * Used by `_.escape` to convert characters to HTML entities.
  	   *
  	   * @private
  	   * @param {string} chr The matched character to escape.
  	   * @returns {string} Returns the escaped character.
  	   */
  	  var escapeHtmlChar = basePropertyOf(htmlEscapes);
  
  	  /**
  	   * Used by `_.template` to escape characters for inclusion in compiled string literals.
  	   *
  	   * @private
  	   * @param {string} chr The matched character to escape.
  	   * @returns {string} Returns the escaped character.
  	   */
  	  function escapeStringChar(chr) {
  	    return '\\' + stringEscapes[chr];
  	  }
  
  	  /**
  	   * Gets the value at `key` of `object`.
  	   *
  	   * @private
  	   * @param {Object} [object] The object to query.
  	   * @param {string} key The key of the property to get.
  	   * @returns {*} Returns the property value.
  	   */
  	  function getValue(object, key) {
  	    return object == null ? undefined : object[key];
  	  }
  
  	  /**
  	   * Checks if `string` contains Unicode symbols.
  	   *
  	   * @private
  	   * @param {string} string The string to inspect.
  	   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
  	   */
  	  function hasUnicode(string) {
  	    return reHasUnicode.test(string);
  	  }
  
  	  /**
  	   * Checks if `string` contains a word composed of Unicode symbols.
  	   *
  	   * @private
  	   * @param {string} string The string to inspect.
  	   * @returns {boolean} Returns `true` if a word is found, else `false`.
  	   */
  	  function hasUnicodeWord(string) {
  	    return reHasUnicodeWord.test(string);
  	  }
  
  	  /**
  	   * Converts `iterator` to an array.
  	   *
  	   * @private
  	   * @param {Object} iterator The iterator to convert.
  	   * @returns {Array} Returns the converted array.
  	   */
  	  function iteratorToArray(iterator) {
  	    var data,
  	        result = [];
  
  	    while (!(data = iterator.next()).done) {
  	      result.push(data.value);
  	    }
  	    return result;
  	  }
  
  	  /**
  	   * Converts `map` to its key-value pairs.
  	   *
  	   * @private
  	   * @param {Object} map The map to convert.
  	   * @returns {Array} Returns the key-value pairs.
  	   */
  	  function mapToArray(map) {
  	    var index = -1,
  	        result = Array(map.size);
  
  	    map.forEach(function(value, key) {
  	      result[++index] = [key, value];
  	    });
  	    return result;
  	  }
  
  	  /**
  	   * Creates a unary function that invokes `func` with its argument transformed.
  	   *
  	   * @private
  	   * @param {Function} func The function to wrap.
  	   * @param {Function} transform The argument transform.
  	   * @returns {Function} Returns the new function.
  	   */
  	  function overArg(func, transform) {
  	    return function(arg) {
  	      return func(transform(arg));
  	    };
  	  }
  
  	  /**
  	   * Replaces all `placeholder` elements in `array` with an internal placeholder
  	   * and returns an array of their indexes.
  	   *
  	   * @private
  	   * @param {Array} array The array to modify.
  	   * @param {*} placeholder The placeholder to replace.
  	   * @returns {Array} Returns the new array of placeholder indexes.
  	   */
  	  function replaceHolders(array, placeholder) {
  	    var index = -1,
  	        length = array.length,
  	        resIndex = 0,
  	        result = [];
  
  	    while (++index < length) {
  	      var value = array[index];
  	      if (value === placeholder || value === PLACEHOLDER) {
  	        array[index] = PLACEHOLDER;
  	        result[resIndex++] = index;
  	      }
  	    }
  	    return result;
  	  }
  
  	  /**
  	   * Converts `set` to an array of its values.
  	   *
  	   * @private
  	   * @param {Object} set The set to convert.
  	   * @returns {Array} Returns the values.
  	   */
  	  function setToArray(set) {
  	    var index = -1,
  	        result = Array(set.size);
  
  	    set.forEach(function(value) {
  	      result[++index] = value;
  	    });
  	    return result;
  	  }
  
  	  /**
  	   * Converts `set` to its value-value pairs.
  	   *
  	   * @private
  	   * @param {Object} set The set to convert.
  	   * @returns {Array} Returns the value-value pairs.
  	   */
  	  function setToPairs(set) {
  	    var index = -1,
  	        result = Array(set.size);
  
  	    set.forEach(function(value) {
  	      result[++index] = [value, value];
  	    });
  	    return result;
  	  }
  
  	  /**
  	   * A specialized version of `_.indexOf` which performs strict equality
  	   * comparisons of values, i.e. `===`.
  	   *
  	   * @private
  	   * @param {Array} array The array to inspect.
  	   * @param {*} value The value to search for.
  	   * @param {number} fromIndex The index to search from.
  	   * @returns {number} Returns the index of the matched value, else `-1`.
  	   */
  	  function strictIndexOf(array, value, fromIndex) {
  	    var index = fromIndex - 1,
  	        length = array.length;
  
  	    while (++index < length) {
  	      if (array[index] === value) {
  	        return index;
  	      }
  	    }
  	    return -1;
  	  }
  
  	  /**
  	   * A specialized version of `_.lastIndexOf` which performs strict equality
  	   * comparisons of values, i.e. `===`.
  	   *
  	   * @private
  	   * @param {Array} array The array to inspect.
  	   * @param {*} value The value to search for.
  	   * @param {number} fromIndex The index to search from.
  	   * @returns {number} Returns the index of the matched value, else `-1`.
  	   */
  	  function strictLastIndexOf(array, value, fromIndex) {
  	    var index = fromIndex + 1;
  	    while (index--) {
  	      if (array[index] === value) {
  	        return index;
  	      }
  	    }
  	    return index;
  	  }
  
  	  /**
  	   * Gets the number of symbols in `string`.
  	   *
  	   * @private
  	   * @param {string} string The string to inspect.
  	   * @returns {number} Returns the string size.
  	   */
  	  function stringSize(string) {
  	    return hasUnicode(string)
  	      ? unicodeSize(string)
  	      : asciiSize(string);
  	  }
  
  	  /**
  	   * Converts `string` to an array.
  	   *
  	   * @private
  	   * @param {string} string The string to convert.
  	   * @returns {Array} Returns the converted array.
  	   */
  	  function stringToArray(string) {
  	    return hasUnicode(string)
  	      ? unicodeToArray(string)
  	      : asciiToArray(string);
  	  }
  
  	  /**
  	   * Used by `_.unescape` to convert HTML entities to characters.
  	   *
  	   * @private
  	   * @param {string} chr The matched character to unescape.
  	   * @returns {string} Returns the unescaped character.
  	   */
  	  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);
  
  	  /**
  	   * Gets the size of a Unicode `string`.
  	   *
  	   * @private
  	   * @param {string} string The string inspect.
  	   * @returns {number} Returns the string size.
  	   */
  	  function unicodeSize(string) {
  	    var result = reUnicode.lastIndex = 0;
  	    while (reUnicode.test(string)) {
  	      ++result;
  	    }
  	    return result;
  	  }
  
  	  /**
  	   * Converts a Unicode `string` to an array.
  	   *
  	   * @private
  	   * @param {string} string The string to convert.
  	   * @returns {Array} Returns the converted array.
  	   */
  	  function unicodeToArray(string) {
  	    return string.match(reUnicode) || [];
  	  }
  
  	  /**
  	   * Splits a Unicode `string` into an array of its words.
  	   *
  	   * @private
  	   * @param {string} The string to inspect.
  	   * @returns {Array} Returns the words of `string`.
  	   */
  	  function unicodeWords(string) {
  	    return string.match(reUnicodeWord) || [];
  	  }
  
  	  /*--------------------------------------------------------------------------*/
  
  	  /**
  	   * Create a new pristine `lodash` function using the `context` object.
  	   *
  	   * @static
  	   * @memberOf _
  	   * @since 1.1.0
  	   * @category Util
  	   * @param {Object} [context=root] The context object.
  	   * @returns {Function} Returns a new `lodash` function.
  	   * @example
  	   *
  	   * _.mixin({ 'foo': _.constant('foo') });
  	   *
  	   * var lodash = _.runInContext();
  	   * lodash.mixin({ 'bar': lodash.constant('bar') });
  	   *
  	   * _.isFunction(_.foo);
  	   * // => true
  	   * _.isFunction(_.bar);
  	   * // => false
  	   *
  	   * lodash.isFunction(lodash.foo);
  	   * // => false
  	   * lodash.isFunction(lodash.bar);
  	   * // => true
  	   *
  	   * // Create a suped-up `defer` in Node.js.
  	   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
  	   */
  	  var runInContext = (function runInContext(context) {
  	    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));
  
  	    /** Built-in constructor references. */
  	    var Array = context.Array,
  	        Date = context.Date,
  	        Error = context.Error,
  	        Function = context.Function,
  	        Math = context.Math,
  	        Object = context.Object,
  	        RegExp = context.RegExp,
  	        String = context.String,
  	        TypeError = context.TypeError;
  
  	    /** Used for built-in method references. */
  	    var arrayProto = Array.prototype,
  	        funcProto = Function.prototype,
  	        objectProto = Object.prototype;
  
  	    /** Used to detect overreaching core-js shims. */
  	    var coreJsData = context['__core-js_shared__'];
  
  	    /** Used to resolve the decompiled source of functions. */
  	    var funcToString = funcProto.toString;
  
  	    /** Used to check objects for own properties. */
  	    var hasOwnProperty = objectProto.hasOwnProperty;
  
  	    /** Used to generate unique IDs. */
  	    var idCounter = 0;
  
  	    /** Used to detect methods masquerading as native. */
  	    var maskSrcKey = (function() {
  	      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
  	      return uid ? ('Symbol(src)_1.' + uid) : '';
  	    }());
  
  	    /**
  	     * Used to resolve the
  	     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
  	     * of values.
  	     */
  	    var nativeObjectToString = objectProto.toString;
  
  	    /** Used to infer the `Object` constructor. */
  	    var objectCtorString = funcToString.call(Object);
  
  	    /** Used to restore the original `_` reference in `_.noConflict`. */
  	    var oldDash = root._;
  
  	    /** Used to detect if a method is native. */
  	    var reIsNative = RegExp('^' +
  	      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
  	      .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
  	    );
  
  	    /** Built-in value references. */
  	    var Buffer = moduleExports ? context.Buffer : undefined,
  	        Symbol = context.Symbol,
  	        Uint8Array = context.Uint8Array,
  	        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
  	        getPrototype = overArg(Object.getPrototypeOf, Object),
  	        objectCreate = Object.create,
  	        propertyIsEnumerable = objectProto.propertyIsEnumerable,
  	        splice = arrayProto.splice,
  	        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
  	        symIterator = Symbol ? Symbol.iterator : undefined,
  	        symToStringTag = Symbol ? Symbol.toStringTag : undefined;
  
  	    var defineProperty = (function() {
  	      try {
  	        var func = getNative(Object, 'defineProperty');
  	        func({}, '', {});
  	        return func;
  	      } catch (e) {}
  	    }());
  
  	    /** Mocked built-ins. */
  	    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
  	        ctxNow = Date && Date.now !== root.Date.now && Date.now,
  	        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;
  
  	    /* Built-in method references for those with the same name as other `lodash` methods. */
  	    var nativeCeil = Math.ceil,
  	        nativeFloor = Math.floor,
  	        nativeGetSymbols = Object.getOwnPropertySymbols,
  	        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
  	        nativeIsFinite = context.isFinite,
  	        nativeJoin = arrayProto.join,
  	        nativeKeys = overArg(Object.keys, Object),
  	        nativeMax = Math.max,
  	        nativeMin = Math.min,
  	        nativeNow = Date.now,
  	        nativeParseInt = context.parseInt,
  	        nativeRandom = Math.random,
  	        nativeReverse = arrayProto.reverse;
  
  	    /* Built-in method references that are verified to be native. */
  	    var DataView = getNative(context, 'DataView'),
  	        Map = getNative(context, 'Map'),
  	        Promise = getNative(context, 'Promise'),
  	        Set = getNative(context, 'Set'),
  	        WeakMap = getNative(context, 'WeakMap'),
  	        nativeCreate = getNative(Object, 'create');
  
  	    /** Used to store function metadata. */
  	    var metaMap = WeakMap && new WeakMap;
  
  	    /** Used to lookup unminified function names. */
  	    var realNames = {};
  
  	    /** Used to detect maps, sets, and weakmaps. */
  	    var dataViewCtorString = toSource(DataView),
  	        mapCtorString = toSource(Map),
  	        promiseCtorString = toSource(Promise),
  	        setCtorString = toSource(Set),
  	        weakMapCtorString = toSource(WeakMap);
  
  	    /** Used to convert symbols to primitives and strings. */
  	    var symbolProto = Symbol ? Symbol.prototype : undefined,
  	        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
  	        symbolToString = symbolProto ? symbolProto.toString : undefined;
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates a `lodash` object which wraps `value` to enable implicit method
  	     * chain sequences. Methods that operate on and return arrays, collections,
  	     * and functions can be chained together. Methods that retrieve a single value
  	     * or may return a primitive value will automatically end the chain sequence
  	     * and return the unwrapped value. Otherwise, the value must be unwrapped
  	     * with `_#value`.
  	     *
  	     * Explicit chain sequences, which must be unwrapped with `_#value`, may be
  	     * enabled using `_.chain`.
  	     *
  	     * The execution of chained methods is lazy, that is, it's deferred until
  	     * `_#value` is implicitly or explicitly called.
  	     *
  	     * Lazy evaluation allows several methods to support shortcut fusion.
  	     * Shortcut fusion is an optimization to merge iteratee calls; this avoids
  	     * the creation of intermediate arrays and can greatly reduce the number of
  	     * iteratee executions. Sections of a chain sequence qualify for shortcut
  	     * fusion if the section is applied to an array and iteratees accept only
  	     * one argument. The heuristic for whether a section qualifies for shortcut
  	     * fusion is subject to change.
  	     *
  	     * Chaining is supported in custom builds as long as the `_#value` method is
  	     * directly or indirectly included in the build.
  	     *
  	     * In addition to lodash methods, wrappers have `Array` and `String` methods.
  	     *
  	     * The wrapper `Array` methods are:
  	     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
  	     *
  	     * The wrapper `String` methods are:
  	     * `replace` and `split`
  	     *
  	     * The wrapper methods that support shortcut fusion are:
  	     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
  	     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
  	     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
  	     *
  	     * The chainable wrapper methods are:
  	     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
  	     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
  	     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
  	     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
  	     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
  	     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
  	     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
  	     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
  	     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
  	     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
  	     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
  	     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
  	     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
  	     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
  	     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
  	     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
  	     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
  	     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
  	     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
  	     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
  	     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
  	     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
  	     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
  	     * `zipObject`, `zipObjectDeep`, and `zipWith`
  	     *
  	     * The wrapper methods that are **not** chainable by default are:
  	     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
  	     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
  	     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
  	     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
  	     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
  	     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
  	     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
  	     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
  	     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
  	     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
  	     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
  	     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
  	     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
  	     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
  	     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
  	     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
  	     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
  	     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
  	     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
  	     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
  	     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
  	     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
  	     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
  	     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
  	     * `upperFirst`, `value`, and `words`
  	     *
  	     * @name _
  	     * @constructor
  	     * @category Seq
  	     * @param {*} value The value to wrap in a `lodash` instance.
  	     * @returns {Object} Returns the new `lodash` wrapper instance.
  	     * @example
  	     *
  	     * function square(n) {
  	     *   return n * n;
  	     * }
  	     *
  	     * var wrapped = _([1, 2, 3]);
  	     *
  	     * // Returns an unwrapped value.
  	     * wrapped.reduce(_.add);
  	     * // => 6
  	     *
  	     * // Returns a wrapped value.
  	     * var squares = wrapped.map(square);
  	     *
  	     * _.isArray(squares);
  	     * // => false
  	     *
  	     * _.isArray(squares.value());
  	     * // => true
  	     */
  	    function lodash(value) {
  	      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
  	        if (value instanceof LodashWrapper) {
  	          return value;
  	        }
  	        if (hasOwnProperty.call(value, '__wrapped__')) {
  	          return wrapperClone(value);
  	        }
  	      }
  	      return new LodashWrapper(value);
  	    }
  
  	    /**
  	     * The base implementation of `_.create` without support for assigning
  	     * properties to the created object.
  	     *
  	     * @private
  	     * @param {Object} proto The object to inherit from.
  	     * @returns {Object} Returns the new object.
  	     */
  	    var baseCreate = (function() {
  	      function object() {}
  	      return function(proto) {
  	        if (!isObject(proto)) {
  	          return {};
  	        }
  	        if (objectCreate) {
  	          return objectCreate(proto);
  	        }
  	        object.prototype = proto;
  	        var result = new object;
  	        object.prototype = undefined;
  	        return result;
  	      };
  	    }());
  
  	    /**
  	     * The function whose prototype chain sequence wrappers inherit from.
  	     *
  	     * @private
  	     */
  	    function baseLodash() {
  	      // No operation performed.
  	    }
  
  	    /**
  	     * The base constructor for creating `lodash` wrapper objects.
  	     *
  	     * @private
  	     * @param {*} value The value to wrap.
  	     * @param {boolean} [chainAll] Enable explicit method chain sequences.
  	     */
  	    function LodashWrapper(value, chainAll) {
  	      this.__wrapped__ = value;
  	      this.__actions__ = [];
  	      this.__chain__ = !!chainAll;
  	      this.__index__ = 0;
  	      this.__values__ = undefined;
  	    }
  
  	    /**
  	     * By default, the template delimiters used by lodash are like those in
  	     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
  	     * following template settings to use alternative delimiters.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @type {Object}
  	     */
  	    lodash.templateSettings = {
  
  	      /**
  	       * Used to detect `data` property values to be HTML-escaped.
  	       *
  	       * @memberOf _.templateSettings
  	       * @type {RegExp}
  	       */
  	      'escape': reEscape,
  
  	      /**
  	       * Used to detect code to be evaluated.
  	       *
  	       * @memberOf _.templateSettings
  	       * @type {RegExp}
  	       */
  	      'evaluate': reEvaluate,
  
  	      /**
  	       * Used to detect `data` property values to inject.
  	       *
  	       * @memberOf _.templateSettings
  	       * @type {RegExp}
  	       */
  	      'interpolate': reInterpolate,
  
  	      /**
  	       * Used to reference the data object in the template text.
  	       *
  	       * @memberOf _.templateSettings
  	       * @type {string}
  	       */
  	      'variable': '',
  
  	      /**
  	       * Used to import variables into the compiled template.
  	       *
  	       * @memberOf _.templateSettings
  	       * @type {Object}
  	       */
  	      'imports': {
  
  	        /**
  	         * A reference to the `lodash` function.
  	         *
  	         * @memberOf _.templateSettings.imports
  	         * @type {Function}
  	         */
  	        '_': lodash
  	      }
  	    };
  
  	    // Ensure wrappers are instances of `baseLodash`.
  	    lodash.prototype = baseLodash.prototype;
  	    lodash.prototype.constructor = lodash;
  
  	    LodashWrapper.prototype = baseCreate(baseLodash.prototype);
  	    LodashWrapper.prototype.constructor = LodashWrapper;
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
  	     *
  	     * @private
  	     * @constructor
  	     * @param {*} value The value to wrap.
  	     */
  	    function LazyWrapper(value) {
  	      this.__wrapped__ = value;
  	      this.__actions__ = [];
  	      this.__dir__ = 1;
  	      this.__filtered__ = false;
  	      this.__iteratees__ = [];
  	      this.__takeCount__ = MAX_ARRAY_LENGTH;
  	      this.__views__ = [];
  	    }
  
  	    /**
  	     * Creates a clone of the lazy wrapper object.
  	     *
  	     * @private
  	     * @name clone
  	     * @memberOf LazyWrapper
  	     * @returns {Object} Returns the cloned `LazyWrapper` object.
  	     */
  	    function lazyClone() {
  	      var result = new LazyWrapper(this.__wrapped__);
  	      result.__actions__ = copyArray(this.__actions__);
  	      result.__dir__ = this.__dir__;
  	      result.__filtered__ = this.__filtered__;
  	      result.__iteratees__ = copyArray(this.__iteratees__);
  	      result.__takeCount__ = this.__takeCount__;
  	      result.__views__ = copyArray(this.__views__);
  	      return result;
  	    }
  
  	    /**
  	     * Reverses the direction of lazy iteration.
  	     *
  	     * @private
  	     * @name reverse
  	     * @memberOf LazyWrapper
  	     * @returns {Object} Returns the new reversed `LazyWrapper` object.
  	     */
  	    function lazyReverse() {
  	      if (this.__filtered__) {
  	        var result = new LazyWrapper(this);
  	        result.__dir__ = -1;
  	        result.__filtered__ = true;
  	      } else {
  	        result = this.clone();
  	        result.__dir__ *= -1;
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Extracts the unwrapped value from its lazy wrapper.
  	     *
  	     * @private
  	     * @name value
  	     * @memberOf LazyWrapper
  	     * @returns {*} Returns the unwrapped value.
  	     */
  	    function lazyValue() {
  	      var array = this.__wrapped__.value(),
  	          dir = this.__dir__,
  	          isArr = isArray(array),
  	          isRight = dir < 0,
  	          arrLength = isArr ? array.length : 0,
  	          view = getView(0, arrLength, this.__views__),
  	          start = view.start,
  	          end = view.end,
  	          length = end - start,
  	          index = isRight ? end : (start - 1),
  	          iteratees = this.__iteratees__,
  	          iterLength = iteratees.length,
  	          resIndex = 0,
  	          takeCount = nativeMin(length, this.__takeCount__);
  
  	      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
  	        return baseWrapperValue(array, this.__actions__);
  	      }
  	      var result = [];
  
  	      outer:
  	      while (length-- && resIndex < takeCount) {
  	        index += dir;
  
  	        var iterIndex = -1,
  	            value = array[index];
  
  	        while (++iterIndex < iterLength) {
  	          var data = iteratees[iterIndex],
  	              iteratee = data.iteratee,
  	              type = data.type,
  	              computed = iteratee(value);
  
  	          if (type == LAZY_MAP_FLAG) {
  	            value = computed;
  	          } else if (!computed) {
  	            if (type == LAZY_FILTER_FLAG) {
  	              continue outer;
  	            } else {
  	              break outer;
  	            }
  	          }
  	        }
  	        result[resIndex++] = value;
  	      }
  	      return result;
  	    }
  
  	    // Ensure `LazyWrapper` is an instance of `baseLodash`.
  	    LazyWrapper.prototype = baseCreate(baseLodash.prototype);
  	    LazyWrapper.prototype.constructor = LazyWrapper;
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates a hash object.
  	     *
  	     * @private
  	     * @constructor
  	     * @param {Array} [entries] The key-value pairs to cache.
  	     */
  	    function Hash(entries) {
  	      var index = -1,
  	          length = entries == null ? 0 : entries.length;
  
  	      this.clear();
  	      while (++index < length) {
  	        var entry = entries[index];
  	        this.set(entry[0], entry[1]);
  	      }
  	    }
  
  	    /**
  	     * Removes all key-value entries from the hash.
  	     *
  	     * @private
  	     * @name clear
  	     * @memberOf Hash
  	     */
  	    function hashClear() {
  	      this.__data__ = nativeCreate ? nativeCreate(null) : {};
  	      this.size = 0;
  	    }
  
  	    /**
  	     * Removes `key` and its value from the hash.
  	     *
  	     * @private
  	     * @name delete
  	     * @memberOf Hash
  	     * @param {Object} hash The hash to modify.
  	     * @param {string} key The key of the value to remove.
  	     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
  	     */
  	    function hashDelete(key) {
  	      var result = this.has(key) && delete this.__data__[key];
  	      this.size -= result ? 1 : 0;
  	      return result;
  	    }
  
  	    /**
  	     * Gets the hash value for `key`.
  	     *
  	     * @private
  	     * @name get
  	     * @memberOf Hash
  	     * @param {string} key The key of the value to get.
  	     * @returns {*} Returns the entry value.
  	     */
  	    function hashGet(key) {
  	      var data = this.__data__;
  	      if (nativeCreate) {
  	        var result = data[key];
  	        return result === HASH_UNDEFINED ? undefined : result;
  	      }
  	      return hasOwnProperty.call(data, key) ? data[key] : undefined;
  	    }
  
  	    /**
  	     * Checks if a hash value for `key` exists.
  	     *
  	     * @private
  	     * @name has
  	     * @memberOf Hash
  	     * @param {string} key The key of the entry to check.
  	     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
  	     */
  	    function hashHas(key) {
  	      var data = this.__data__;
  	      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
  	    }
  
  	    /**
  	     * Sets the hash `key` to `value`.
  	     *
  	     * @private
  	     * @name set
  	     * @memberOf Hash
  	     * @param {string} key The key of the value to set.
  	     * @param {*} value The value to set.
  	     * @returns {Object} Returns the hash instance.
  	     */
  	    function hashSet(key, value) {
  	      var data = this.__data__;
  	      this.size += this.has(key) ? 0 : 1;
  	      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
  	      return this;
  	    }
  
  	    // Add methods to `Hash`.
  	    Hash.prototype.clear = hashClear;
  	    Hash.prototype['delete'] = hashDelete;
  	    Hash.prototype.get = hashGet;
  	    Hash.prototype.has = hashHas;
  	    Hash.prototype.set = hashSet;
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates an list cache object.
  	     *
  	     * @private
  	     * @constructor
  	     * @param {Array} [entries] The key-value pairs to cache.
  	     */
  	    function ListCache(entries) {
  	      var index = -1,
  	          length = entries == null ? 0 : entries.length;
  
  	      this.clear();
  	      while (++index < length) {
  	        var entry = entries[index];
  	        this.set(entry[0], entry[1]);
  	      }
  	    }
  
  	    /**
  	     * Removes all key-value entries from the list cache.
  	     *
  	     * @private
  	     * @name clear
  	     * @memberOf ListCache
  	     */
  	    function listCacheClear() {
  	      this.__data__ = [];
  	      this.size = 0;
  	    }
  
  	    /**
  	     * Removes `key` and its value from the list cache.
  	     *
  	     * @private
  	     * @name delete
  	     * @memberOf ListCache
  	     * @param {string} key The key of the value to remove.
  	     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
  	     */
  	    function listCacheDelete(key) {
  	      var data = this.__data__,
  	          index = assocIndexOf(data, key);
  
  	      if (index < 0) {
  	        return false;
  	      }
  	      var lastIndex = data.length - 1;
  	      if (index == lastIndex) {
  	        data.pop();
  	      } else {
  	        splice.call(data, index, 1);
  	      }
  	      --this.size;
  	      return true;
  	    }
  
  	    /**
  	     * Gets the list cache value for `key`.
  	     *
  	     * @private
  	     * @name get
  	     * @memberOf ListCache
  	     * @param {string} key The key of the value to get.
  	     * @returns {*} Returns the entry value.
  	     */
  	    function listCacheGet(key) {
  	      var data = this.__data__,
  	          index = assocIndexOf(data, key);
  
  	      return index < 0 ? undefined : data[index][1];
  	    }
  
  	    /**
  	     * Checks if a list cache value for `key` exists.
  	     *
  	     * @private
  	     * @name has
  	     * @memberOf ListCache
  	     * @param {string} key The key of the entry to check.
  	     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
  	     */
  	    function listCacheHas(key) {
  	      return assocIndexOf(this.__data__, key) > -1;
  	    }
  
  	    /**
  	     * Sets the list cache `key` to `value`.
  	     *
  	     * @private
  	     * @name set
  	     * @memberOf ListCache
  	     * @param {string} key The key of the value to set.
  	     * @param {*} value The value to set.
  	     * @returns {Object} Returns the list cache instance.
  	     */
  	    function listCacheSet(key, value) {
  	      var data = this.__data__,
  	          index = assocIndexOf(data, key);
  
  	      if (index < 0) {
  	        ++this.size;
  	        data.push([key, value]);
  	      } else {
  	        data[index][1] = value;
  	      }
  	      return this;
  	    }
  
  	    // Add methods to `ListCache`.
  	    ListCache.prototype.clear = listCacheClear;
  	    ListCache.prototype['delete'] = listCacheDelete;
  	    ListCache.prototype.get = listCacheGet;
  	    ListCache.prototype.has = listCacheHas;
  	    ListCache.prototype.set = listCacheSet;
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates a map cache object to store key-value pairs.
  	     *
  	     * @private
  	     * @constructor
  	     * @param {Array} [entries] The key-value pairs to cache.
  	     */
  	    function MapCache(entries) {
  	      var index = -1,
  	          length = entries == null ? 0 : entries.length;
  
  	      this.clear();
  	      while (++index < length) {
  	        var entry = entries[index];
  	        this.set(entry[0], entry[1]);
  	      }
  	    }
  
  	    /**
  	     * Removes all key-value entries from the map.
  	     *
  	     * @private
  	     * @name clear
  	     * @memberOf MapCache
  	     */
  	    function mapCacheClear() {
  	      this.size = 0;
  	      this.__data__ = {
  	        'hash': new Hash,
  	        'map': new (Map || ListCache),
  	        'string': new Hash
  	      };
  	    }
  
  	    /**
  	     * Removes `key` and its value from the map.
  	     *
  	     * @private
  	     * @name delete
  	     * @memberOf MapCache
  	     * @param {string} key The key of the value to remove.
  	     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
  	     */
  	    function mapCacheDelete(key) {
  	      var result = getMapData(this, key)['delete'](key);
  	      this.size -= result ? 1 : 0;
  	      return result;
  	    }
  
  	    /**
  	     * Gets the map value for `key`.
  	     *
  	     * @private
  	     * @name get
  	     * @memberOf MapCache
  	     * @param {string} key The key of the value to get.
  	     * @returns {*} Returns the entry value.
  	     */
  	    function mapCacheGet(key) {
  	      return getMapData(this, key).get(key);
  	    }
  
  	    /**
  	     * Checks if a map value for `key` exists.
  	     *
  	     * @private
  	     * @name has
  	     * @memberOf MapCache
  	     * @param {string} key The key of the entry to check.
  	     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
  	     */
  	    function mapCacheHas(key) {
  	      return getMapData(this, key).has(key);
  	    }
  
  	    /**
  	     * Sets the map `key` to `value`.
  	     *
  	     * @private
  	     * @name set
  	     * @memberOf MapCache
  	     * @param {string} key The key of the value to set.
  	     * @param {*} value The value to set.
  	     * @returns {Object} Returns the map cache instance.
  	     */
  	    function mapCacheSet(key, value) {
  	      var data = getMapData(this, key),
  	          size = data.size;
  
  	      data.set(key, value);
  	      this.size += data.size == size ? 0 : 1;
  	      return this;
  	    }
  
  	    // Add methods to `MapCache`.
  	    MapCache.prototype.clear = mapCacheClear;
  	    MapCache.prototype['delete'] = mapCacheDelete;
  	    MapCache.prototype.get = mapCacheGet;
  	    MapCache.prototype.has = mapCacheHas;
  	    MapCache.prototype.set = mapCacheSet;
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     *
  	     * Creates an array cache object to store unique values.
  	     *
  	     * @private
  	     * @constructor
  	     * @param {Array} [values] The values to cache.
  	     */
  	    function SetCache(values) {
  	      var index = -1,
  	          length = values == null ? 0 : values.length;
  
  	      this.__data__ = new MapCache;
  	      while (++index < length) {
  	        this.add(values[index]);
  	      }
  	    }
  
  	    /**
  	     * Adds `value` to the array cache.
  	     *
  	     * @private
  	     * @name add
  	     * @memberOf SetCache
  	     * @alias push
  	     * @param {*} value The value to cache.
  	     * @returns {Object} Returns the cache instance.
  	     */
  	    function setCacheAdd(value) {
  	      this.__data__.set(value, HASH_UNDEFINED);
  	      return this;
  	    }
  
  	    /**
  	     * Checks if `value` is in the array cache.
  	     *
  	     * @private
  	     * @name has
  	     * @memberOf SetCache
  	     * @param {*} value The value to search for.
  	     * @returns {number} Returns `true` if `value` is found, else `false`.
  	     */
  	    function setCacheHas(value) {
  	      return this.__data__.has(value);
  	    }
  
  	    // Add methods to `SetCache`.
  	    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
  	    SetCache.prototype.has = setCacheHas;
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates a stack cache object to store key-value pairs.
  	     *
  	     * @private
  	     * @constructor
  	     * @param {Array} [entries] The key-value pairs to cache.
  	     */
  	    function Stack(entries) {
  	      var data = this.__data__ = new ListCache(entries);
  	      this.size = data.size;
  	    }
  
  	    /**
  	     * Removes all key-value entries from the stack.
  	     *
  	     * @private
  	     * @name clear
  	     * @memberOf Stack
  	     */
  	    function stackClear() {
  	      this.__data__ = new ListCache;
  	      this.size = 0;
  	    }
  
  	    /**
  	     * Removes `key` and its value from the stack.
  	     *
  	     * @private
  	     * @name delete
  	     * @memberOf Stack
  	     * @param {string} key The key of the value to remove.
  	     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
  	     */
  	    function stackDelete(key) {
  	      var data = this.__data__,
  	          result = data['delete'](key);
  
  	      this.size = data.size;
  	      return result;
  	    }
  
  	    /**
  	     * Gets the stack value for `key`.
  	     *
  	     * @private
  	     * @name get
  	     * @memberOf Stack
  	     * @param {string} key The key of the value to get.
  	     * @returns {*} Returns the entry value.
  	     */
  	    function stackGet(key) {
  	      return this.__data__.get(key);
  	    }
  
  	    /**
  	     * Checks if a stack value for `key` exists.
  	     *
  	     * @private
  	     * @name has
  	     * @memberOf Stack
  	     * @param {string} key The key of the entry to check.
  	     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
  	     */
  	    function stackHas(key) {
  	      return this.__data__.has(key);
  	    }
  
  	    /**
  	     * Sets the stack `key` to `value`.
  	     *
  	     * @private
  	     * @name set
  	     * @memberOf Stack
  	     * @param {string} key The key of the value to set.
  	     * @param {*} value The value to set.
  	     * @returns {Object} Returns the stack cache instance.
  	     */
  	    function stackSet(key, value) {
  	      var data = this.__data__;
  	      if (data instanceof ListCache) {
  	        var pairs = data.__data__;
  	        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
  	          pairs.push([key, value]);
  	          this.size = ++data.size;
  	          return this;
  	        }
  	        data = this.__data__ = new MapCache(pairs);
  	      }
  	      data.set(key, value);
  	      this.size = data.size;
  	      return this;
  	    }
  
  	    // Add methods to `Stack`.
  	    Stack.prototype.clear = stackClear;
  	    Stack.prototype['delete'] = stackDelete;
  	    Stack.prototype.get = stackGet;
  	    Stack.prototype.has = stackHas;
  	    Stack.prototype.set = stackSet;
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates an array of the enumerable property names of the array-like `value`.
  	     *
  	     * @private
  	     * @param {*} value The value to query.
  	     * @param {boolean} inherited Specify returning inherited property names.
  	     * @returns {Array} Returns the array of property names.
  	     */
  	    function arrayLikeKeys(value, inherited) {
  	      var isArr = isArray(value),
  	          isArg = !isArr && isArguments(value),
  	          isBuff = !isArr && !isArg && isBuffer(value),
  	          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
  	          skipIndexes = isArr || isArg || isBuff || isType,
  	          result = skipIndexes ? baseTimes(value.length, String) : [],
  	          length = result.length;
  
  	      for (var key in value) {
  	        if ((inherited || hasOwnProperty.call(value, key)) &&
  	            !(skipIndexes && (
  	               // Safari 9 has enumerable `arguments.length` in strict mode.
  	               key == 'length' ||
  	               // Node.js 0.10 has enumerable non-index properties on buffers.
  	               (isBuff && (key == 'offset' || key == 'parent')) ||
  	               // PhantomJS 2 has enumerable non-index properties on typed arrays.
  	               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
  	               // Skip index properties.
  	               isIndex(key, length)
  	            ))) {
  	          result.push(key);
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * A specialized version of `_.sample` for arrays.
  	     *
  	     * @private
  	     * @param {Array} array The array to sample.
  	     * @returns {*} Returns the random element.
  	     */
  	    function arraySample(array) {
  	      var length = array.length;
  	      return length ? array[baseRandom(0, length - 1)] : undefined;
  	    }
  
  	    /**
  	     * A specialized version of `_.sampleSize` for arrays.
  	     *
  	     * @private
  	     * @param {Array} array The array to sample.
  	     * @param {number} n The number of elements to sample.
  	     * @returns {Array} Returns the random elements.
  	     */
  	    function arraySampleSize(array, n) {
  	      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
  	    }
  
  	    /**
  	     * A specialized version of `_.shuffle` for arrays.
  	     *
  	     * @private
  	     * @param {Array} array The array to shuffle.
  	     * @returns {Array} Returns the new shuffled array.
  	     */
  	    function arrayShuffle(array) {
  	      return shuffleSelf(copyArray(array));
  	    }
  
  	    /**
  	     * This function is like `assignValue` except that it doesn't assign
  	     * `undefined` values.
  	     *
  	     * @private
  	     * @param {Object} object The object to modify.
  	     * @param {string} key The key of the property to assign.
  	     * @param {*} value The value to assign.
  	     */
  	    function assignMergeValue(object, key, value) {
  	      if ((value !== undefined && !eq(object[key], value)) ||
  	          (value === undefined && !(key in object))) {
  	        baseAssignValue(object, key, value);
  	      }
  	    }
  
  	    /**
  	     * Assigns `value` to `key` of `object` if the existing value is not equivalent
  	     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * for equality comparisons.
  	     *
  	     * @private
  	     * @param {Object} object The object to modify.
  	     * @param {string} key The key of the property to assign.
  	     * @param {*} value The value to assign.
  	     */
  	    function assignValue(object, key, value) {
  	      var objValue = object[key];
  	      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
  	          (value === undefined && !(key in object))) {
  	        baseAssignValue(object, key, value);
  	      }
  	    }
  
  	    /**
  	     * Gets the index at which the `key` is found in `array` of key-value pairs.
  	     *
  	     * @private
  	     * @param {Array} array The array to inspect.
  	     * @param {*} key The key to search for.
  	     * @returns {number} Returns the index of the matched value, else `-1`.
  	     */
  	    function assocIndexOf(array, key) {
  	      var length = array.length;
  	      while (length--) {
  	        if (eq(array[length][0], key)) {
  	          return length;
  	        }
  	      }
  	      return -1;
  	    }
  
  	    /**
  	     * Aggregates elements of `collection` on `accumulator` with keys transformed
  	     * by `iteratee` and values set by `setter`.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} setter The function to set `accumulator` values.
  	     * @param {Function} iteratee The iteratee to transform keys.
  	     * @param {Object} accumulator The initial aggregated object.
  	     * @returns {Function} Returns `accumulator`.
  	     */
  	    function baseAggregator(collection, setter, iteratee, accumulator) {
  	      baseEach(collection, function(value, key, collection) {
  	        setter(accumulator, value, iteratee(value), collection);
  	      });
  	      return accumulator;
  	    }
  
  	    /**
  	     * The base implementation of `_.assign` without support for multiple sources
  	     * or `customizer` functions.
  	     *
  	     * @private
  	     * @param {Object} object The destination object.
  	     * @param {Object} source The source object.
  	     * @returns {Object} Returns `object`.
  	     */
  	    function baseAssign(object, source) {
  	      return object && copyObject(source, keys(source), object);
  	    }
  
  	    /**
  	     * The base implementation of `_.assignIn` without support for multiple sources
  	     * or `customizer` functions.
  	     *
  	     * @private
  	     * @param {Object} object The destination object.
  	     * @param {Object} source The source object.
  	     * @returns {Object} Returns `object`.
  	     */
  	    function baseAssignIn(object, source) {
  	      return object && copyObject(source, keysIn(source), object);
  	    }
  
  	    /**
  	     * The base implementation of `assignValue` and `assignMergeValue` without
  	     * value checks.
  	     *
  	     * @private
  	     * @param {Object} object The object to modify.
  	     * @param {string} key The key of the property to assign.
  	     * @param {*} value The value to assign.
  	     */
  	    function baseAssignValue(object, key, value) {
  	      if (key == '__proto__' && defineProperty) {
  	        defineProperty(object, key, {
  	          'configurable': true,
  	          'enumerable': true,
  	          'value': value,
  	          'writable': true
  	        });
  	      } else {
  	        object[key] = value;
  	      }
  	    }
  
  	    /**
  	     * The base implementation of `_.at` without support for individual paths.
  	     *
  	     * @private
  	     * @param {Object} object The object to iterate over.
  	     * @param {string[]} paths The property paths to pick.
  	     * @returns {Array} Returns the picked elements.
  	     */
  	    function baseAt(object, paths) {
  	      var index = -1,
  	          length = paths.length,
  	          result = Array(length),
  	          skip = object == null;
  
  	      while (++index < length) {
  	        result[index] = skip ? undefined : get(object, paths[index]);
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.clamp` which doesn't coerce arguments.
  	     *
  	     * @private
  	     * @param {number} number The number to clamp.
  	     * @param {number} [lower] The lower bound.
  	     * @param {number} upper The upper bound.
  	     * @returns {number} Returns the clamped number.
  	     */
  	    function baseClamp(number, lower, upper) {
  	      if (number === number) {
  	        if (upper !== undefined) {
  	          number = number <= upper ? number : upper;
  	        }
  	        if (lower !== undefined) {
  	          number = number >= lower ? number : lower;
  	        }
  	      }
  	      return number;
  	    }
  
  	    /**
  	     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
  	     * traversed objects.
  	     *
  	     * @private
  	     * @param {*} value The value to clone.
  	     * @param {boolean} bitmask The bitmask flags.
  	     *  1 - Deep clone
  	     *  2 - Flatten inherited properties
  	     *  4 - Clone symbols
  	     * @param {Function} [customizer] The function to customize cloning.
  	     * @param {string} [key] The key of `value`.
  	     * @param {Object} [object] The parent object of `value`.
  	     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
  	     * @returns {*} Returns the cloned value.
  	     */
  	    function baseClone(value, bitmask, customizer, key, object, stack) {
  	      var result,
  	          isDeep = bitmask & CLONE_DEEP_FLAG,
  	          isFlat = bitmask & CLONE_FLAT_FLAG,
  	          isFull = bitmask & CLONE_SYMBOLS_FLAG;
  
  	      if (customizer) {
  	        result = object ? customizer(value, key, object, stack) : customizer(value);
  	      }
  	      if (result !== undefined) {
  	        return result;
  	      }
  	      if (!isObject(value)) {
  	        return value;
  	      }
  	      var isArr = isArray(value);
  	      if (isArr) {
  	        result = initCloneArray(value);
  	        if (!isDeep) {
  	          return copyArray(value, result);
  	        }
  	      } else {
  	        var tag = getTag(value),
  	            isFunc = tag == funcTag || tag == genTag;
  
  	        if (isBuffer(value)) {
  	          return cloneBuffer(value, isDeep);
  	        }
  	        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
  	          result = (isFlat || isFunc) ? {} : initCloneObject(value);
  	          if (!isDeep) {
  	            return isFlat
  	              ? copySymbolsIn(value, baseAssignIn(result, value))
  	              : copySymbols(value, baseAssign(result, value));
  	          }
  	        } else {
  	          if (!cloneableTags[tag]) {
  	            return object ? value : {};
  	          }
  	          result = initCloneByTag(value, tag, isDeep);
  	        }
  	      }
  	      // Check for circular references and return its corresponding clone.
  	      stack || (stack = new Stack);
  	      var stacked = stack.get(value);
  	      if (stacked) {
  	        return stacked;
  	      }
  	      stack.set(value, result);
  
  	      if (isSet(value)) {
  	        value.forEach(function(subValue) {
  	          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
  	        });
  
  	        return result;
  	      }
  
  	      if (isMap(value)) {
  	        value.forEach(function(subValue, key) {
  	          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
  	        });
  
  	        return result;
  	      }
  
  	      var keysFunc = isFull
  	        ? (isFlat ? getAllKeysIn : getAllKeys)
  	        : (isFlat ? keysIn : keys);
  
  	      var props = isArr ? undefined : keysFunc(value);
  	      arrayEach(props || value, function(subValue, key) {
  	        if (props) {
  	          key = subValue;
  	          subValue = value[key];
  	        }
  	        // Recursively populate clone (susceptible to call stack limits).
  	        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
  	      });
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.conforms` which doesn't clone `source`.
  	     *
  	     * @private
  	     * @param {Object} source The object of property predicates to conform to.
  	     * @returns {Function} Returns the new spec function.
  	     */
  	    function baseConforms(source) {
  	      var props = keys(source);
  	      return function(object) {
  	        return baseConformsTo(object, source, props);
  	      };
  	    }
  
  	    /**
  	     * The base implementation of `_.conformsTo` which accepts `props` to check.
  	     *
  	     * @private
  	     * @param {Object} object The object to inspect.
  	     * @param {Object} source The object of property predicates to conform to.
  	     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
  	     */
  	    function baseConformsTo(object, source, props) {
  	      var length = props.length;
  	      if (object == null) {
  	        return !length;
  	      }
  	      object = Object(object);
  	      while (length--) {
  	        var key = props[length],
  	            predicate = source[key],
  	            value = object[key];
  
  	        if ((value === undefined && !(key in object)) || !predicate(value)) {
  	          return false;
  	        }
  	      }
  	      return true;
  	    }
  
  	    /**
  	     * The base implementation of `_.delay` and `_.defer` which accepts `args`
  	     * to provide to `func`.
  	     *
  	     * @private
  	     * @param {Function} func The function to delay.
  	     * @param {number} wait The number of milliseconds to delay invocation.
  	     * @param {Array} args The arguments to provide to `func`.
  	     * @returns {number|Object} Returns the timer id or timeout object.
  	     */
  	    function baseDelay(func, wait, args) {
  	      if (typeof func != 'function') {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      return setTimeout(function() { func.apply(undefined, args); }, wait);
  	    }
  
  	    /**
  	     * The base implementation of methods like `_.difference` without support
  	     * for excluding multiple arrays or iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array} array The array to inspect.
  	     * @param {Array} values The values to exclude.
  	     * @param {Function} [iteratee] The iteratee invoked per element.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns the new array of filtered values.
  	     */
  	    function baseDifference(array, values, iteratee, comparator) {
  	      var index = -1,
  	          includes = arrayIncludes,
  	          isCommon = true,
  	          length = array.length,
  	          result = [],
  	          valuesLength = values.length;
  
  	      if (!length) {
  	        return result;
  	      }
  	      if (iteratee) {
  	        values = arrayMap(values, baseUnary(iteratee));
  	      }
  	      if (comparator) {
  	        includes = arrayIncludesWith;
  	        isCommon = false;
  	      }
  	      else if (values.length >= LARGE_ARRAY_SIZE) {
  	        includes = cacheHas;
  	        isCommon = false;
  	        values = new SetCache(values);
  	      }
  	      outer:
  	      while (++index < length) {
  	        var value = array[index],
  	            computed = iteratee == null ? value : iteratee(value);
  
  	        value = (comparator || value !== 0) ? value : 0;
  	        if (isCommon && computed === computed) {
  	          var valuesIndex = valuesLength;
  	          while (valuesIndex--) {
  	            if (values[valuesIndex] === computed) {
  	              continue outer;
  	            }
  	          }
  	          result.push(value);
  	        }
  	        else if (!includes(values, computed, comparator)) {
  	          result.push(value);
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.forEach` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} iteratee The function invoked per iteration.
  	     * @returns {Array|Object} Returns `collection`.
  	     */
  	    var baseEach = createBaseEach(baseForOwn);
  
  	    /**
  	     * The base implementation of `_.forEachRight` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} iteratee The function invoked per iteration.
  	     * @returns {Array|Object} Returns `collection`.
  	     */
  	    var baseEachRight = createBaseEach(baseForOwnRight, true);
  
  	    /**
  	     * The base implementation of `_.every` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} predicate The function invoked per iteration.
  	     * @returns {boolean} Returns `true` if all elements pass the predicate check,
  	     *  else `false`
  	     */
  	    function baseEvery(collection, predicate) {
  	      var result = true;
  	      baseEach(collection, function(value, index, collection) {
  	        result = !!predicate(value, index, collection);
  	        return result;
  	      });
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of methods like `_.max` and `_.min` which accepts a
  	     * `comparator` to determine the extremum value.
  	     *
  	     * @private
  	     * @param {Array} array The array to iterate over.
  	     * @param {Function} iteratee The iteratee invoked per iteration.
  	     * @param {Function} comparator The comparator used to compare values.
  	     * @returns {*} Returns the extremum value.
  	     */
  	    function baseExtremum(array, iteratee, comparator) {
  	      var index = -1,
  	          length = array.length;
  
  	      while (++index < length) {
  	        var value = array[index],
  	            current = iteratee(value);
  
  	        if (current != null && (computed === undefined
  	              ? (current === current && !isSymbol(current))
  	              : comparator(current, computed)
  	            )) {
  	          var computed = current,
  	              result = value;
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.fill` without an iteratee call guard.
  	     *
  	     * @private
  	     * @param {Array} array The array to fill.
  	     * @param {*} value The value to fill `array` with.
  	     * @param {number} [start=0] The start position.
  	     * @param {number} [end=array.length] The end position.
  	     * @returns {Array} Returns `array`.
  	     */
  	    function baseFill(array, value, start, end) {
  	      var length = array.length;
  
  	      start = toInteger(start);
  	      if (start < 0) {
  	        start = -start > length ? 0 : (length + start);
  	      }
  	      end = (end === undefined || end > length) ? length : toInteger(end);
  	      if (end < 0) {
  	        end += length;
  	      }
  	      end = start > end ? 0 : toLength(end);
  	      while (start < end) {
  	        array[start++] = value;
  	      }
  	      return array;
  	    }
  
  	    /**
  	     * The base implementation of `_.filter` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} predicate The function invoked per iteration.
  	     * @returns {Array} Returns the new filtered array.
  	     */
  	    function baseFilter(collection, predicate) {
  	      var result = [];
  	      baseEach(collection, function(value, index, collection) {
  	        if (predicate(value, index, collection)) {
  	          result.push(value);
  	        }
  	      });
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.flatten` with support for restricting flattening.
  	     *
  	     * @private
  	     * @param {Array} array The array to flatten.
  	     * @param {number} depth The maximum recursion depth.
  	     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
  	     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
  	     * @param {Array} [result=[]] The initial result value.
  	     * @returns {Array} Returns the new flattened array.
  	     */
  	    function baseFlatten(array, depth, predicate, isStrict, result) {
  	      var index = -1,
  	          length = array.length;
  
  	      predicate || (predicate = isFlattenable);
  	      result || (result = []);
  
  	      while (++index < length) {
  	        var value = array[index];
  	        if (depth > 0 && predicate(value)) {
  	          if (depth > 1) {
  	            // Recursively flatten arrays (susceptible to call stack limits).
  	            baseFlatten(value, depth - 1, predicate, isStrict, result);
  	          } else {
  	            arrayPush(result, value);
  	          }
  	        } else if (!isStrict) {
  	          result[result.length] = value;
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `baseForOwn` which iterates over `object`
  	     * properties returned by `keysFunc` and invokes `iteratee` for each property.
  	     * Iteratee functions may exit iteration early by explicitly returning `false`.
  	     *
  	     * @private
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} iteratee The function invoked per iteration.
  	     * @param {Function} keysFunc The function to get the keys of `object`.
  	     * @returns {Object} Returns `object`.
  	     */
  	    var baseFor = createBaseFor();
  
  	    /**
  	     * This function is like `baseFor` except that it iterates over properties
  	     * in the opposite order.
  	     *
  	     * @private
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} iteratee The function invoked per iteration.
  	     * @param {Function} keysFunc The function to get the keys of `object`.
  	     * @returns {Object} Returns `object`.
  	     */
  	    var baseForRight = createBaseFor(true);
  
  	    /**
  	     * The base implementation of `_.forOwn` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} iteratee The function invoked per iteration.
  	     * @returns {Object} Returns `object`.
  	     */
  	    function baseForOwn(object, iteratee) {
  	      return object && baseFor(object, iteratee, keys);
  	    }
  
  	    /**
  	     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} iteratee The function invoked per iteration.
  	     * @returns {Object} Returns `object`.
  	     */
  	    function baseForOwnRight(object, iteratee) {
  	      return object && baseForRight(object, iteratee, keys);
  	    }
  
  	    /**
  	     * The base implementation of `_.functions` which creates an array of
  	     * `object` function property names filtered from `props`.
  	     *
  	     * @private
  	     * @param {Object} object The object to inspect.
  	     * @param {Array} props The property names to filter.
  	     * @returns {Array} Returns the function names.
  	     */
  	    function baseFunctions(object, props) {
  	      return arrayFilter(props, function(key) {
  	        return isFunction(object[key]);
  	      });
  	    }
  
  	    /**
  	     * The base implementation of `_.get` without support for default values.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @param {Array|string} path The path of the property to get.
  	     * @returns {*} Returns the resolved value.
  	     */
  	    function baseGet(object, path) {
  	      path = castPath(path, object);
  
  	      var index = 0,
  	          length = path.length;
  
  	      while (object != null && index < length) {
  	        object = object[toKey(path[index++])];
  	      }
  	      return (index && index == length) ? object : undefined;
  	    }
  
  	    /**
  	     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
  	     * `keysFunc` and `symbolsFunc` to get the enumerable property names and
  	     * symbols of `object`.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @param {Function} keysFunc The function to get the keys of `object`.
  	     * @param {Function} symbolsFunc The function to get the symbols of `object`.
  	     * @returns {Array} Returns the array of property names and symbols.
  	     */
  	    function baseGetAllKeys(object, keysFunc, symbolsFunc) {
  	      var result = keysFunc(object);
  	      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
  	    }
  
  	    /**
  	     * The base implementation of `getTag` without fallbacks for buggy environments.
  	     *
  	     * @private
  	     * @param {*} value The value to query.
  	     * @returns {string} Returns the `toStringTag`.
  	     */
  	    function baseGetTag(value) {
  	      if (value == null) {
  	        return value === undefined ? undefinedTag : nullTag;
  	      }
  	      return (symToStringTag && symToStringTag in Object(value))
  	        ? getRawTag(value)
  	        : objectToString(value);
  	    }
  
  	    /**
  	     * The base implementation of `_.gt` which doesn't coerce arguments.
  	     *
  	     * @private
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @returns {boolean} Returns `true` if `value` is greater than `other`,
  	     *  else `false`.
  	     */
  	    function baseGt(value, other) {
  	      return value > other;
  	    }
  
  	    /**
  	     * The base implementation of `_.has` without support for deep paths.
  	     *
  	     * @private
  	     * @param {Object} [object] The object to query.
  	     * @param {Array|string} key The key to check.
  	     * @returns {boolean} Returns `true` if `key` exists, else `false`.
  	     */
  	    function baseHas(object, key) {
  	      return object != null && hasOwnProperty.call(object, key);
  	    }
  
  	    /**
  	     * The base implementation of `_.hasIn` without support for deep paths.
  	     *
  	     * @private
  	     * @param {Object} [object] The object to query.
  	     * @param {Array|string} key The key to check.
  	     * @returns {boolean} Returns `true` if `key` exists, else `false`.
  	     */
  	    function baseHasIn(object, key) {
  	      return object != null && key in Object(object);
  	    }
  
  	    /**
  	     * The base implementation of `_.inRange` which doesn't coerce arguments.
  	     *
  	     * @private
  	     * @param {number} number The number to check.
  	     * @param {number} start The start of the range.
  	     * @param {number} end The end of the range.
  	     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
  	     */
  	    function baseInRange(number, start, end) {
  	      return number >= nativeMin(start, end) && number < nativeMax(start, end);
  	    }
  
  	    /**
  	     * The base implementation of methods like `_.intersection`, without support
  	     * for iteratee shorthands, that accepts an array of arrays to inspect.
  	     *
  	     * @private
  	     * @param {Array} arrays The arrays to inspect.
  	     * @param {Function} [iteratee] The iteratee invoked per element.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns the new array of shared values.
  	     */
  	    function baseIntersection(arrays, iteratee, comparator) {
  	      var includes = comparator ? arrayIncludesWith : arrayIncludes,
  	          length = arrays[0].length,
  	          othLength = arrays.length,
  	          othIndex = othLength,
  	          caches = Array(othLength),
  	          maxLength = Infinity,
  	          result = [];
  
  	      while (othIndex--) {
  	        var array = arrays[othIndex];
  	        if (othIndex && iteratee) {
  	          array = arrayMap(array, baseUnary(iteratee));
  	        }
  	        maxLength = nativeMin(array.length, maxLength);
  	        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
  	          ? new SetCache(othIndex && array)
  	          : undefined;
  	      }
  	      array = arrays[0];
  
  	      var index = -1,
  	          seen = caches[0];
  
  	      outer:
  	      while (++index < length && result.length < maxLength) {
  	        var value = array[index],
  	            computed = iteratee ? iteratee(value) : value;
  
  	        value = (comparator || value !== 0) ? value : 0;
  	        if (!(seen
  	              ? cacheHas(seen, computed)
  	              : includes(result, computed, comparator)
  	            )) {
  	          othIndex = othLength;
  	          while (--othIndex) {
  	            var cache = caches[othIndex];
  	            if (!(cache
  	                  ? cacheHas(cache, computed)
  	                  : includes(arrays[othIndex], computed, comparator))
  	                ) {
  	              continue outer;
  	            }
  	          }
  	          if (seen) {
  	            seen.push(computed);
  	          }
  	          result.push(value);
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.invert` and `_.invertBy` which inverts
  	     * `object` with values transformed by `iteratee` and set by `setter`.
  	     *
  	     * @private
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} setter The function to set `accumulator` values.
  	     * @param {Function} iteratee The iteratee to transform values.
  	     * @param {Object} accumulator The initial inverted object.
  	     * @returns {Function} Returns `accumulator`.
  	     */
  	    function baseInverter(object, setter, iteratee, accumulator) {
  	      baseForOwn(object, function(value, key, object) {
  	        setter(accumulator, iteratee(value), key, object);
  	      });
  	      return accumulator;
  	    }
  
  	    /**
  	     * The base implementation of `_.invoke` without support for individual
  	     * method arguments.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @param {Array|string} path The path of the method to invoke.
  	     * @param {Array} args The arguments to invoke the method with.
  	     * @returns {*} Returns the result of the invoked method.
  	     */
  	    function baseInvoke(object, path, args) {
  	      path = castPath(path, object);
  	      object = parent(object, path);
  	      var func = object == null ? object : object[toKey(last(path))];
  	      return func == null ? undefined : apply(func, object, args);
  	    }
  
  	    /**
  	     * The base implementation of `_.isArguments`.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
  	     */
  	    function baseIsArguments(value) {
  	      return isObjectLike(value) && baseGetTag(value) == argsTag;
  	    }
  
  	    /**
  	     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
  	     */
  	    function baseIsArrayBuffer(value) {
  	      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
  	    }
  
  	    /**
  	     * The base implementation of `_.isDate` without Node.js optimizations.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
  	     */
  	    function baseIsDate(value) {
  	      return isObjectLike(value) && baseGetTag(value) == dateTag;
  	    }
  
  	    /**
  	     * The base implementation of `_.isEqual` which supports partial comparisons
  	     * and tracks traversed objects.
  	     *
  	     * @private
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @param {boolean} bitmask The bitmask flags.
  	     *  1 - Unordered comparison
  	     *  2 - Partial comparison
  	     * @param {Function} [customizer] The function to customize comparisons.
  	     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
  	     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
  	     */
  	    function baseIsEqual(value, other, bitmask, customizer, stack) {
  	      if (value === other) {
  	        return true;
  	      }
  	      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
  	        return value !== value && other !== other;
  	      }
  	      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
  	    }
  
  	    /**
  	     * A specialized version of `baseIsEqual` for arrays and objects which performs
  	     * deep comparisons and tracks traversed objects enabling objects with circular
  	     * references to be compared.
  	     *
  	     * @private
  	     * @param {Object} object The object to compare.
  	     * @param {Object} other The other object to compare.
  	     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
  	     * @param {Function} customizer The function to customize comparisons.
  	     * @param {Function} equalFunc The function to determine equivalents of values.
  	     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
  	     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
  	     */
  	    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
  	      var objIsArr = isArray(object),
  	          othIsArr = isArray(other),
  	          objTag = objIsArr ? arrayTag : getTag(object),
  	          othTag = othIsArr ? arrayTag : getTag(other);
  
  	      objTag = objTag == argsTag ? objectTag : objTag;
  	      othTag = othTag == argsTag ? objectTag : othTag;
  
  	      var objIsObj = objTag == objectTag,
  	          othIsObj = othTag == objectTag,
  	          isSameTag = objTag == othTag;
  
  	      if (isSameTag && isBuffer(object)) {
  	        if (!isBuffer(other)) {
  	          return false;
  	        }
  	        objIsArr = true;
  	        objIsObj = false;
  	      }
  	      if (isSameTag && !objIsObj) {
  	        stack || (stack = new Stack);
  	        return (objIsArr || isTypedArray(object))
  	          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
  	          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
  	      }
  	      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
  	        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
  	            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
  
  	        if (objIsWrapped || othIsWrapped) {
  	          var objUnwrapped = objIsWrapped ? object.value() : object,
  	              othUnwrapped = othIsWrapped ? other.value() : other;
  
  	          stack || (stack = new Stack);
  	          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
  	        }
  	      }
  	      if (!isSameTag) {
  	        return false;
  	      }
  	      stack || (stack = new Stack);
  	      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
  	    }
  
  	    /**
  	     * The base implementation of `_.isMap` without Node.js optimizations.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
  	     */
  	    function baseIsMap(value) {
  	      return isObjectLike(value) && getTag(value) == mapTag;
  	    }
  
  	    /**
  	     * The base implementation of `_.isMatch` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Object} object The object to inspect.
  	     * @param {Object} source The object of property values to match.
  	     * @param {Array} matchData The property names, values, and compare flags to match.
  	     * @param {Function} [customizer] The function to customize comparisons.
  	     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
  	     */
  	    function baseIsMatch(object, source, matchData, customizer) {
  	      var index = matchData.length,
  	          length = index,
  	          noCustomizer = !customizer;
  
  	      if (object == null) {
  	        return !length;
  	      }
  	      object = Object(object);
  	      while (index--) {
  	        var data = matchData[index];
  	        if ((noCustomizer && data[2])
  	              ? data[1] !== object[data[0]]
  	              : !(data[0] in object)
  	            ) {
  	          return false;
  	        }
  	      }
  	      while (++index < length) {
  	        data = matchData[index];
  	        var key = data[0],
  	            objValue = object[key],
  	            srcValue = data[1];
  
  	        if (noCustomizer && data[2]) {
  	          if (objValue === undefined && !(key in object)) {
  	            return false;
  	          }
  	        } else {
  	          var stack = new Stack;
  	          if (customizer) {
  	            var result = customizer(objValue, srcValue, key, object, source, stack);
  	          }
  	          if (!(result === undefined
  	                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
  	                : result
  	              )) {
  	            return false;
  	          }
  	        }
  	      }
  	      return true;
  	    }
  
  	    /**
  	     * The base implementation of `_.isNative` without bad shim checks.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a native function,
  	     *  else `false`.
  	     */
  	    function baseIsNative(value) {
  	      if (!isObject(value) || isMasked(value)) {
  	        return false;
  	      }
  	      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
  	      return pattern.test(toSource(value));
  	    }
  
  	    /**
  	     * The base implementation of `_.isRegExp` without Node.js optimizations.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
  	     */
  	    function baseIsRegExp(value) {
  	      return isObjectLike(value) && baseGetTag(value) == regexpTag;
  	    }
  
  	    /**
  	     * The base implementation of `_.isSet` without Node.js optimizations.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
  	     */
  	    function baseIsSet(value) {
  	      return isObjectLike(value) && getTag(value) == setTag;
  	    }
  
  	    /**
  	     * The base implementation of `_.isTypedArray` without Node.js optimizations.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
  	     */
  	    function baseIsTypedArray(value) {
  	      return isObjectLike(value) &&
  	        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
  	    }
  
  	    /**
  	     * The base implementation of `_.iteratee`.
  	     *
  	     * @private
  	     * @param {*} [value=_.identity] The value to convert to an iteratee.
  	     * @returns {Function} Returns the iteratee.
  	     */
  	    function baseIteratee(value) {
  	      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
  	      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
  	      if (typeof value == 'function') {
  	        return value;
  	      }
  	      if (value == null) {
  	        return identity;
  	      }
  	      if (typeof value == 'object') {
  	        return isArray(value)
  	          ? baseMatchesProperty(value[0], value[1])
  	          : baseMatches(value);
  	      }
  	      return property(value);
  	    }
  
  	    /**
  	     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of property names.
  	     */
  	    function baseKeys(object) {
  	      if (!isPrototype(object)) {
  	        return nativeKeys(object);
  	      }
  	      var result = [];
  	      for (var key in Object(object)) {
  	        if (hasOwnProperty.call(object, key) && key != 'constructor') {
  	          result.push(key);
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of property names.
  	     */
  	    function baseKeysIn(object) {
  	      if (!isObject(object)) {
  	        return nativeKeysIn(object);
  	      }
  	      var isProto = isPrototype(object),
  	          result = [];
  
  	      for (var key in object) {
  	        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
  	          result.push(key);
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.lt` which doesn't coerce arguments.
  	     *
  	     * @private
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @returns {boolean} Returns `true` if `value` is less than `other`,
  	     *  else `false`.
  	     */
  	    function baseLt(value, other) {
  	      return value < other;
  	    }
  
  	    /**
  	     * The base implementation of `_.map` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} iteratee The function invoked per iteration.
  	     * @returns {Array} Returns the new mapped array.
  	     */
  	    function baseMap(collection, iteratee) {
  	      var index = -1,
  	          result = isArrayLike(collection) ? Array(collection.length) : [];
  
  	      baseEach(collection, function(value, key, collection) {
  	        result[++index] = iteratee(value, key, collection);
  	      });
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.matches` which doesn't clone `source`.
  	     *
  	     * @private
  	     * @param {Object} source The object of property values to match.
  	     * @returns {Function} Returns the new spec function.
  	     */
  	    function baseMatches(source) {
  	      var matchData = getMatchData(source);
  	      if (matchData.length == 1 && matchData[0][2]) {
  	        return matchesStrictComparable(matchData[0][0], matchData[0][1]);
  	      }
  	      return function(object) {
  	        return object === source || baseIsMatch(object, source, matchData);
  	      };
  	    }
  
  	    /**
  	     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
  	     *
  	     * @private
  	     * @param {string} path The path of the property to get.
  	     * @param {*} srcValue The value to match.
  	     * @returns {Function} Returns the new spec function.
  	     */
  	    function baseMatchesProperty(path, srcValue) {
  	      if (isKey(path) && isStrictComparable(srcValue)) {
  	        return matchesStrictComparable(toKey(path), srcValue);
  	      }
  	      return function(object) {
  	        var objValue = get(object, path);
  	        return (objValue === undefined && objValue === srcValue)
  	          ? hasIn(object, path)
  	          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
  	      };
  	    }
  
  	    /**
  	     * The base implementation of `_.merge` without support for multiple sources.
  	     *
  	     * @private
  	     * @param {Object} object The destination object.
  	     * @param {Object} source The source object.
  	     * @param {number} srcIndex The index of `source`.
  	     * @param {Function} [customizer] The function to customize merged values.
  	     * @param {Object} [stack] Tracks traversed source values and their merged
  	     *  counterparts.
  	     */
  	    function baseMerge(object, source, srcIndex, customizer, stack) {
  	      if (object === source) {
  	        return;
  	      }
  	      baseFor(source, function(srcValue, key) {
  	        if (isObject(srcValue)) {
  	          stack || (stack = new Stack);
  	          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
  	        }
  	        else {
  	          var newValue = customizer
  	            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
  	            : undefined;
  
  	          if (newValue === undefined) {
  	            newValue = srcValue;
  	          }
  	          assignMergeValue(object, key, newValue);
  	        }
  	      }, keysIn);
  	    }
  
  	    /**
  	     * A specialized version of `baseMerge` for arrays and objects which performs
  	     * deep merges and tracks traversed objects enabling objects with circular
  	     * references to be merged.
  	     *
  	     * @private
  	     * @param {Object} object The destination object.
  	     * @param {Object} source The source object.
  	     * @param {string} key The key of the value to merge.
  	     * @param {number} srcIndex The index of `source`.
  	     * @param {Function} mergeFunc The function to merge values.
  	     * @param {Function} [customizer] The function to customize assigned values.
  	     * @param {Object} [stack] Tracks traversed source values and their merged
  	     *  counterparts.
  	     */
  	    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
  	      var objValue = safeGet(object, key),
  	          srcValue = safeGet(source, key),
  	          stacked = stack.get(srcValue);
  
  	      if (stacked) {
  	        assignMergeValue(object, key, stacked);
  	        return;
  	      }
  	      var newValue = customizer
  	        ? customizer(objValue, srcValue, (key + ''), object, source, stack)
  	        : undefined;
  
  	      var isCommon = newValue === undefined;
  
  	      if (isCommon) {
  	        var isArr = isArray(srcValue),
  	            isBuff = !isArr && isBuffer(srcValue),
  	            isTyped = !isArr && !isBuff && isTypedArray(srcValue);
  
  	        newValue = srcValue;
  	        if (isArr || isBuff || isTyped) {
  	          if (isArray(objValue)) {
  	            newValue = objValue;
  	          }
  	          else if (isArrayLikeObject(objValue)) {
  	            newValue = copyArray(objValue);
  	          }
  	          else if (isBuff) {
  	            isCommon = false;
  	            newValue = cloneBuffer(srcValue, true);
  	          }
  	          else if (isTyped) {
  	            isCommon = false;
  	            newValue = cloneTypedArray(srcValue, true);
  	          }
  	          else {
  	            newValue = [];
  	          }
  	        }
  	        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
  	          newValue = objValue;
  	          if (isArguments(objValue)) {
  	            newValue = toPlainObject(objValue);
  	          }
  	          else if (!isObject(objValue) || isFunction(objValue)) {
  	            newValue = initCloneObject(srcValue);
  	          }
  	        }
  	        else {
  	          isCommon = false;
  	        }
  	      }
  	      if (isCommon) {
  	        // Recursively merge objects and arrays (susceptible to call stack limits).
  	        stack.set(srcValue, newValue);
  	        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
  	        stack['delete'](srcValue);
  	      }
  	      assignMergeValue(object, key, newValue);
  	    }
  
  	    /**
  	     * The base implementation of `_.nth` which doesn't coerce arguments.
  	     *
  	     * @private
  	     * @param {Array} array The array to query.
  	     * @param {number} n The index of the element to return.
  	     * @returns {*} Returns the nth element of `array`.
  	     */
  	    function baseNth(array, n) {
  	      var length = array.length;
  	      if (!length) {
  	        return;
  	      }
  	      n += n < 0 ? length : 0;
  	      return isIndex(n, length) ? array[n] : undefined;
  	    }
  
  	    /**
  	     * The base implementation of `_.orderBy` without param guards.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
  	     * @param {string[]} orders The sort orders of `iteratees`.
  	     * @returns {Array} Returns the new sorted array.
  	     */
  	    function baseOrderBy(collection, iteratees, orders) {
  	      var index = -1;
  	      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));
  
  	      var result = baseMap(collection, function(value, key, collection) {
  	        var criteria = arrayMap(iteratees, function(iteratee) {
  	          return iteratee(value);
  	        });
  	        return { 'criteria': criteria, 'index': ++index, 'value': value };
  	      });
  
  	      return baseSortBy(result, function(object, other) {
  	        return compareMultiple(object, other, orders);
  	      });
  	    }
  
  	    /**
  	     * The base implementation of `_.pick` without support for individual
  	     * property identifiers.
  	     *
  	     * @private
  	     * @param {Object} object The source object.
  	     * @param {string[]} paths The property paths to pick.
  	     * @returns {Object} Returns the new object.
  	     */
  	    function basePick(object, paths) {
  	      return basePickBy(object, paths, function(value, path) {
  	        return hasIn(object, path);
  	      });
  	    }
  
  	    /**
  	     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Object} object The source object.
  	     * @param {string[]} paths The property paths to pick.
  	     * @param {Function} predicate The function invoked per property.
  	     * @returns {Object} Returns the new object.
  	     */
  	    function basePickBy(object, paths, predicate) {
  	      var index = -1,
  	          length = paths.length,
  	          result = {};
  
  	      while (++index < length) {
  	        var path = paths[index],
  	            value = baseGet(object, path);
  
  	        if (predicate(value, path)) {
  	          baseSet(result, castPath(path, object), value);
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * A specialized version of `baseProperty` which supports deep paths.
  	     *
  	     * @private
  	     * @param {Array|string} path The path of the property to get.
  	     * @returns {Function} Returns the new accessor function.
  	     */
  	    function basePropertyDeep(path) {
  	      return function(object) {
  	        return baseGet(object, path);
  	      };
  	    }
  
  	    /**
  	     * The base implementation of `_.pullAllBy` without support for iteratee
  	     * shorthands.
  	     *
  	     * @private
  	     * @param {Array} array The array to modify.
  	     * @param {Array} values The values to remove.
  	     * @param {Function} [iteratee] The iteratee invoked per element.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns `array`.
  	     */
  	    function basePullAll(array, values, iteratee, comparator) {
  	      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
  	          index = -1,
  	          length = values.length,
  	          seen = array;
  
  	      if (array === values) {
  	        values = copyArray(values);
  	      }
  	      if (iteratee) {
  	        seen = arrayMap(array, baseUnary(iteratee));
  	      }
  	      while (++index < length) {
  	        var fromIndex = 0,
  	            value = values[index],
  	            computed = iteratee ? iteratee(value) : value;
  
  	        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
  	          if (seen !== array) {
  	            splice.call(seen, fromIndex, 1);
  	          }
  	          splice.call(array, fromIndex, 1);
  	        }
  	      }
  	      return array;
  	    }
  
  	    /**
  	     * The base implementation of `_.pullAt` without support for individual
  	     * indexes or capturing the removed elements.
  	     *
  	     * @private
  	     * @param {Array} array The array to modify.
  	     * @param {number[]} indexes The indexes of elements to remove.
  	     * @returns {Array} Returns `array`.
  	     */
  	    function basePullAt(array, indexes) {
  	      var length = array ? indexes.length : 0,
  	          lastIndex = length - 1;
  
  	      while (length--) {
  	        var index = indexes[length];
  	        if (length == lastIndex || index !== previous) {
  	          var previous = index;
  	          if (isIndex(index)) {
  	            splice.call(array, index, 1);
  	          } else {
  	            baseUnset(array, index);
  	          }
  	        }
  	      }
  	      return array;
  	    }
  
  	    /**
  	     * The base implementation of `_.random` without support for returning
  	     * floating-point numbers.
  	     *
  	     * @private
  	     * @param {number} lower The lower bound.
  	     * @param {number} upper The upper bound.
  	     * @returns {number} Returns the random number.
  	     */
  	    function baseRandom(lower, upper) {
  	      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
  	    }
  
  	    /**
  	     * The base implementation of `_.range` and `_.rangeRight` which doesn't
  	     * coerce arguments.
  	     *
  	     * @private
  	     * @param {number} start The start of the range.
  	     * @param {number} end The end of the range.
  	     * @param {number} step The value to increment or decrement by.
  	     * @param {boolean} [fromRight] Specify iterating from right to left.
  	     * @returns {Array} Returns the range of numbers.
  	     */
  	    function baseRange(start, end, step, fromRight) {
  	      var index = -1,
  	          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
  	          result = Array(length);
  
  	      while (length--) {
  	        result[fromRight ? length : ++index] = start;
  	        start += step;
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.repeat` which doesn't coerce arguments.
  	     *
  	     * @private
  	     * @param {string} string The string to repeat.
  	     * @param {number} n The number of times to repeat the string.
  	     * @returns {string} Returns the repeated string.
  	     */
  	    function baseRepeat(string, n) {
  	      var result = '';
  	      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
  	        return result;
  	      }
  	      // Leverage the exponentiation by squaring algorithm for a faster repeat.
  	      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
  	      do {
  	        if (n % 2) {
  	          result += string;
  	        }
  	        n = nativeFloor(n / 2);
  	        if (n) {
  	          string += string;
  	        }
  	      } while (n);
  
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.rest` which doesn't validate or coerce arguments.
  	     *
  	     * @private
  	     * @param {Function} func The function to apply a rest parameter to.
  	     * @param {number} [start=func.length-1] The start position of the rest parameter.
  	     * @returns {Function} Returns the new function.
  	     */
  	    function baseRest(func, start) {
  	      return setToString(overRest(func, start, identity), func + '');
  	    }
  
  	    /**
  	     * The base implementation of `_.sample`.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to sample.
  	     * @returns {*} Returns the random element.
  	     */
  	    function baseSample(collection) {
  	      return arraySample(values(collection));
  	    }
  
  	    /**
  	     * The base implementation of `_.sampleSize` without param guards.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to sample.
  	     * @param {number} n The number of elements to sample.
  	     * @returns {Array} Returns the random elements.
  	     */
  	    function baseSampleSize(collection, n) {
  	      var array = values(collection);
  	      return shuffleSelf(array, baseClamp(n, 0, array.length));
  	    }
  
  	    /**
  	     * The base implementation of `_.set`.
  	     *
  	     * @private
  	     * @param {Object} object The object to modify.
  	     * @param {Array|string} path The path of the property to set.
  	     * @param {*} value The value to set.
  	     * @param {Function} [customizer] The function to customize path creation.
  	     * @returns {Object} Returns `object`.
  	     */
  	    function baseSet(object, path, value, customizer) {
  	      if (!isObject(object)) {
  	        return object;
  	      }
  	      path = castPath(path, object);
  
  	      var index = -1,
  	          length = path.length,
  	          lastIndex = length - 1,
  	          nested = object;
  
  	      while (nested != null && ++index < length) {
  	        var key = toKey(path[index]),
  	            newValue = value;
  
  	        if (index != lastIndex) {
  	          var objValue = nested[key];
  	          newValue = customizer ? customizer(objValue, key, nested) : undefined;
  	          if (newValue === undefined) {
  	            newValue = isObject(objValue)
  	              ? objValue
  	              : (isIndex(path[index + 1]) ? [] : {});
  	          }
  	        }
  	        assignValue(nested, key, newValue);
  	        nested = nested[key];
  	      }
  	      return object;
  	    }
  
  	    /**
  	     * The base implementation of `setData` without support for hot loop shorting.
  	     *
  	     * @private
  	     * @param {Function} func The function to associate metadata with.
  	     * @param {*} data The metadata.
  	     * @returns {Function} Returns `func`.
  	     */
  	    var baseSetData = !metaMap ? identity : function(func, data) {
  	      metaMap.set(func, data);
  	      return func;
  	    };
  
  	    /**
  	     * The base implementation of `setToString` without support for hot loop shorting.
  	     *
  	     * @private
  	     * @param {Function} func The function to modify.
  	     * @param {Function} string The `toString` result.
  	     * @returns {Function} Returns `func`.
  	     */
  	    var baseSetToString = !defineProperty ? identity : function(func, string) {
  	      return defineProperty(func, 'toString', {
  	        'configurable': true,
  	        'enumerable': false,
  	        'value': constant(string),
  	        'writable': true
  	      });
  	    };
  
  	    /**
  	     * The base implementation of `_.shuffle`.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to shuffle.
  	     * @returns {Array} Returns the new shuffled array.
  	     */
  	    function baseShuffle(collection) {
  	      return shuffleSelf(values(collection));
  	    }
  
  	    /**
  	     * The base implementation of `_.slice` without an iteratee call guard.
  	     *
  	     * @private
  	     * @param {Array} array The array to slice.
  	     * @param {number} [start=0] The start position.
  	     * @param {number} [end=array.length] The end position.
  	     * @returns {Array} Returns the slice of `array`.
  	     */
  	    function baseSlice(array, start, end) {
  	      var index = -1,
  	          length = array.length;
  
  	      if (start < 0) {
  	        start = -start > length ? 0 : (length + start);
  	      }
  	      end = end > length ? length : end;
  	      if (end < 0) {
  	        end += length;
  	      }
  	      length = start > end ? 0 : ((end - start) >>> 0);
  	      start >>>= 0;
  
  	      var result = Array(length);
  	      while (++index < length) {
  	        result[index] = array[index + start];
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.some` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} predicate The function invoked per iteration.
  	     * @returns {boolean} Returns `true` if any element passes the predicate check,
  	     *  else `false`.
  	     */
  	    function baseSome(collection, predicate) {
  	      var result;
  
  	      baseEach(collection, function(value, index, collection) {
  	        result = predicate(value, index, collection);
  	        return !result;
  	      });
  	      return !!result;
  	    }
  
  	    /**
  	     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
  	     * performs a binary search of `array` to determine the index at which `value`
  	     * should be inserted into `array` in order to maintain its sort order.
  	     *
  	     * @private
  	     * @param {Array} array The sorted array to inspect.
  	     * @param {*} value The value to evaluate.
  	     * @param {boolean} [retHighest] Specify returning the highest qualified index.
  	     * @returns {number} Returns the index at which `value` should be inserted
  	     *  into `array`.
  	     */
  	    function baseSortedIndex(array, value, retHighest) {
  	      var low = 0,
  	          high = array == null ? low : array.length;
  
  	      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
  	        while (low < high) {
  	          var mid = (low + high) >>> 1,
  	              computed = array[mid];
  
  	          if (computed !== null && !isSymbol(computed) &&
  	              (retHighest ? (computed <= value) : (computed < value))) {
  	            low = mid + 1;
  	          } else {
  	            high = mid;
  	          }
  	        }
  	        return high;
  	      }
  	      return baseSortedIndexBy(array, value, identity, retHighest);
  	    }
  
  	    /**
  	     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
  	     * which invokes `iteratee` for `value` and each element of `array` to compute
  	     * their sort ranking. The iteratee is invoked with one argument; (value).
  	     *
  	     * @private
  	     * @param {Array} array The sorted array to inspect.
  	     * @param {*} value The value to evaluate.
  	     * @param {Function} iteratee The iteratee invoked per element.
  	     * @param {boolean} [retHighest] Specify returning the highest qualified index.
  	     * @returns {number} Returns the index at which `value` should be inserted
  	     *  into `array`.
  	     */
  	    function baseSortedIndexBy(array, value, iteratee, retHighest) {
  	      value = iteratee(value);
  
  	      var low = 0,
  	          high = array == null ? 0 : array.length,
  	          valIsNaN = value !== value,
  	          valIsNull = value === null,
  	          valIsSymbol = isSymbol(value),
  	          valIsUndefined = value === undefined;
  
  	      while (low < high) {
  	        var mid = nativeFloor((low + high) / 2),
  	            computed = iteratee(array[mid]),
  	            othIsDefined = computed !== undefined,
  	            othIsNull = computed === null,
  	            othIsReflexive = computed === computed,
  	            othIsSymbol = isSymbol(computed);
  
  	        if (valIsNaN) {
  	          var setLow = retHighest || othIsReflexive;
  	        } else if (valIsUndefined) {
  	          setLow = othIsReflexive && (retHighest || othIsDefined);
  	        } else if (valIsNull) {
  	          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
  	        } else if (valIsSymbol) {
  	          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
  	        } else if (othIsNull || othIsSymbol) {
  	          setLow = false;
  	        } else {
  	          setLow = retHighest ? (computed <= value) : (computed < value);
  	        }
  	        if (setLow) {
  	          low = mid + 1;
  	        } else {
  	          high = mid;
  	        }
  	      }
  	      return nativeMin(high, MAX_ARRAY_INDEX);
  	    }
  
  	    /**
  	     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
  	     * support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array} array The array to inspect.
  	     * @param {Function} [iteratee] The iteratee invoked per element.
  	     * @returns {Array} Returns the new duplicate free array.
  	     */
  	    function baseSortedUniq(array, iteratee) {
  	      var index = -1,
  	          length = array.length,
  	          resIndex = 0,
  	          result = [];
  
  	      while (++index < length) {
  	        var value = array[index],
  	            computed = iteratee ? iteratee(value) : value;
  
  	        if (!index || !eq(computed, seen)) {
  	          var seen = computed;
  	          result[resIndex++] = value === 0 ? 0 : value;
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.toNumber` which doesn't ensure correct
  	     * conversions of binary, hexadecimal, or octal string values.
  	     *
  	     * @private
  	     * @param {*} value The value to process.
  	     * @returns {number} Returns the number.
  	     */
  	    function baseToNumber(value) {
  	      if (typeof value == 'number') {
  	        return value;
  	      }
  	      if (isSymbol(value)) {
  	        return NAN;
  	      }
  	      return +value;
  	    }
  
  	    /**
  	     * The base implementation of `_.toString` which doesn't convert nullish
  	     * values to empty strings.
  	     *
  	     * @private
  	     * @param {*} value The value to process.
  	     * @returns {string} Returns the string.
  	     */
  	    function baseToString(value) {
  	      // Exit early for strings to avoid a performance hit in some environments.
  	      if (typeof value == 'string') {
  	        return value;
  	      }
  	      if (isArray(value)) {
  	        // Recursively convert values (susceptible to call stack limits).
  	        return arrayMap(value, baseToString) + '';
  	      }
  	      if (isSymbol(value)) {
  	        return symbolToString ? symbolToString.call(value) : '';
  	      }
  	      var result = (value + '');
  	      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
  	    }
  
  	    /**
  	     * The base implementation of `_.uniqBy` without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array} array The array to inspect.
  	     * @param {Function} [iteratee] The iteratee invoked per element.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns the new duplicate free array.
  	     */
  	    function baseUniq(array, iteratee, comparator) {
  	      var index = -1,
  	          includes = arrayIncludes,
  	          length = array.length,
  	          isCommon = true,
  	          result = [],
  	          seen = result;
  
  	      if (comparator) {
  	        isCommon = false;
  	        includes = arrayIncludesWith;
  	      }
  	      else if (length >= LARGE_ARRAY_SIZE) {
  	        var set = iteratee ? null : createSet(array);
  	        if (set) {
  	          return setToArray(set);
  	        }
  	        isCommon = false;
  	        includes = cacheHas;
  	        seen = new SetCache;
  	      }
  	      else {
  	        seen = iteratee ? [] : result;
  	      }
  	      outer:
  	      while (++index < length) {
  	        var value = array[index],
  	            computed = iteratee ? iteratee(value) : value;
  
  	        value = (comparator || value !== 0) ? value : 0;
  	        if (isCommon && computed === computed) {
  	          var seenIndex = seen.length;
  	          while (seenIndex--) {
  	            if (seen[seenIndex] === computed) {
  	              continue outer;
  	            }
  	          }
  	          if (iteratee) {
  	            seen.push(computed);
  	          }
  	          result.push(value);
  	        }
  	        else if (!includes(seen, computed, comparator)) {
  	          if (seen !== result) {
  	            seen.push(computed);
  	          }
  	          result.push(value);
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * The base implementation of `_.unset`.
  	     *
  	     * @private
  	     * @param {Object} object The object to modify.
  	     * @param {Array|string} path The property path to unset.
  	     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
  	     */
  	    function baseUnset(object, path) {
  	      path = castPath(path, object);
  	      object = parent(object, path);
  	      return object == null || delete object[toKey(last(path))];
  	    }
  
  	    /**
  	     * The base implementation of `_.update`.
  	     *
  	     * @private
  	     * @param {Object} object The object to modify.
  	     * @param {Array|string} path The path of the property to update.
  	     * @param {Function} updater The function to produce the updated value.
  	     * @param {Function} [customizer] The function to customize path creation.
  	     * @returns {Object} Returns `object`.
  	     */
  	    function baseUpdate(object, path, updater, customizer) {
  	      return baseSet(object, path, updater(baseGet(object, path)), customizer);
  	    }
  
  	    /**
  	     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
  	     * without support for iteratee shorthands.
  	     *
  	     * @private
  	     * @param {Array} array The array to query.
  	     * @param {Function} predicate The function invoked per iteration.
  	     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
  	     * @param {boolean} [fromRight] Specify iterating from right to left.
  	     * @returns {Array} Returns the slice of `array`.
  	     */
  	    function baseWhile(array, predicate, isDrop, fromRight) {
  	      var length = array.length,
  	          index = fromRight ? length : -1;
  
  	      while ((fromRight ? index-- : ++index < length) &&
  	        predicate(array[index], index, array)) {}
  
  	      return isDrop
  	        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
  	        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
  	    }
  
  	    /**
  	     * The base implementation of `wrapperValue` which returns the result of
  	     * performing a sequence of actions on the unwrapped `value`, where each
  	     * successive action is supplied the return value of the previous.
  	     *
  	     * @private
  	     * @param {*} value The unwrapped value.
  	     * @param {Array} actions Actions to perform to resolve the unwrapped value.
  	     * @returns {*} Returns the resolved value.
  	     */
  	    function baseWrapperValue(value, actions) {
  	      var result = value;
  	      if (result instanceof LazyWrapper) {
  	        result = result.value();
  	      }
  	      return arrayReduce(actions, function(result, action) {
  	        return action.func.apply(action.thisArg, arrayPush([result], action.args));
  	      }, result);
  	    }
  
  	    /**
  	     * The base implementation of methods like `_.xor`, without support for
  	     * iteratee shorthands, that accepts an array of arrays to inspect.
  	     *
  	     * @private
  	     * @param {Array} arrays The arrays to inspect.
  	     * @param {Function} [iteratee] The iteratee invoked per element.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns the new array of values.
  	     */
  	    function baseXor(arrays, iteratee, comparator) {
  	      var length = arrays.length;
  	      if (length < 2) {
  	        return length ? baseUniq(arrays[0]) : [];
  	      }
  	      var index = -1,
  	          result = Array(length);
  
  	      while (++index < length) {
  	        var array = arrays[index],
  	            othIndex = -1;
  
  	        while (++othIndex < length) {
  	          if (othIndex != index) {
  	            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
  	          }
  	        }
  	      }
  	      return baseUniq(baseFlatten(result, 1), iteratee, comparator);
  	    }
  
  	    /**
  	     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
  	     *
  	     * @private
  	     * @param {Array} props The property identifiers.
  	     * @param {Array} values The property values.
  	     * @param {Function} assignFunc The function to assign values.
  	     * @returns {Object} Returns the new object.
  	     */
  	    function baseZipObject(props, values, assignFunc) {
  	      var index = -1,
  	          length = props.length,
  	          valsLength = values.length,
  	          result = {};
  
  	      while (++index < length) {
  	        var value = index < valsLength ? values[index] : undefined;
  	        assignFunc(result, props[index], value);
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Casts `value` to an empty array if it's not an array like object.
  	     *
  	     * @private
  	     * @param {*} value The value to inspect.
  	     * @returns {Array|Object} Returns the cast array-like object.
  	     */
  	    function castArrayLikeObject(value) {
  	      return isArrayLikeObject(value) ? value : [];
  	    }
  
  	    /**
  	     * Casts `value` to `identity` if it's not a function.
  	     *
  	     * @private
  	     * @param {*} value The value to inspect.
  	     * @returns {Function} Returns cast function.
  	     */
  	    function castFunction(value) {
  	      return typeof value == 'function' ? value : identity;
  	    }
  
  	    /**
  	     * Casts `value` to a path array if it's not one.
  	     *
  	     * @private
  	     * @param {*} value The value to inspect.
  	     * @param {Object} [object] The object to query keys on.
  	     * @returns {Array} Returns the cast property path array.
  	     */
  	    function castPath(value, object) {
  	      if (isArray(value)) {
  	        return value;
  	      }
  	      return isKey(value, object) ? [value] : stringToPath(toString(value));
  	    }
  
  	    /**
  	     * A `baseRest` alias which can be replaced with `identity` by module
  	     * replacement plugins.
  	     *
  	     * @private
  	     * @type {Function}
  	     * @param {Function} func The function to apply a rest parameter to.
  	     * @returns {Function} Returns the new function.
  	     */
  	    var castRest = baseRest;
  
  	    /**
  	     * Casts `array` to a slice if it's needed.
  	     *
  	     * @private
  	     * @param {Array} array The array to inspect.
  	     * @param {number} start The start position.
  	     * @param {number} [end=array.length] The end position.
  	     * @returns {Array} Returns the cast slice.
  	     */
  	    function castSlice(array, start, end) {
  	      var length = array.length;
  	      end = end === undefined ? length : end;
  	      return (!start && end >= length) ? array : baseSlice(array, start, end);
  	    }
  
  	    /**
  	     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
  	     *
  	     * @private
  	     * @param {number|Object} id The timer id or timeout object of the timer to clear.
  	     */
  	    var clearTimeout = ctxClearTimeout || function(id) {
  	      return root.clearTimeout(id);
  	    };
  
  	    /**
  	     * Creates a clone of  `buffer`.
  	     *
  	     * @private
  	     * @param {Buffer} buffer The buffer to clone.
  	     * @param {boolean} [isDeep] Specify a deep clone.
  	     * @returns {Buffer} Returns the cloned buffer.
  	     */
  	    function cloneBuffer(buffer, isDeep) {
  	      if (isDeep) {
  	        return buffer.slice();
  	      }
  	      var length = buffer.length,
  	          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
  
  	      buffer.copy(result);
  	      return result;
  	    }
  
  	    /**
  	     * Creates a clone of `arrayBuffer`.
  	     *
  	     * @private
  	     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
  	     * @returns {ArrayBuffer} Returns the cloned array buffer.
  	     */
  	    function cloneArrayBuffer(arrayBuffer) {
  	      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
  	      new Uint8Array(result).set(new Uint8Array(arrayBuffer));
  	      return result;
  	    }
  
  	    /**
  	     * Creates a clone of `dataView`.
  	     *
  	     * @private
  	     * @param {Object} dataView The data view to clone.
  	     * @param {boolean} [isDeep] Specify a deep clone.
  	     * @returns {Object} Returns the cloned data view.
  	     */
  	    function cloneDataView(dataView, isDeep) {
  	      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
  	      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
  	    }
  
  	    /**
  	     * Creates a clone of `regexp`.
  	     *
  	     * @private
  	     * @param {Object} regexp The regexp to clone.
  	     * @returns {Object} Returns the cloned regexp.
  	     */
  	    function cloneRegExp(regexp) {
  	      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
  	      result.lastIndex = regexp.lastIndex;
  	      return result;
  	    }
  
  	    /**
  	     * Creates a clone of the `symbol` object.
  	     *
  	     * @private
  	     * @param {Object} symbol The symbol object to clone.
  	     * @returns {Object} Returns the cloned symbol object.
  	     */
  	    function cloneSymbol(symbol) {
  	      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
  	    }
  
  	    /**
  	     * Creates a clone of `typedArray`.
  	     *
  	     * @private
  	     * @param {Object} typedArray The typed array to clone.
  	     * @param {boolean} [isDeep] Specify a deep clone.
  	     * @returns {Object} Returns the cloned typed array.
  	     */
  	    function cloneTypedArray(typedArray, isDeep) {
  	      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
  	      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
  	    }
  
  	    /**
  	     * Compares values to sort them in ascending order.
  	     *
  	     * @private
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @returns {number} Returns the sort order indicator for `value`.
  	     */
  	    function compareAscending(value, other) {
  	      if (value !== other) {
  	        var valIsDefined = value !== undefined,
  	            valIsNull = value === null,
  	            valIsReflexive = value === value,
  	            valIsSymbol = isSymbol(value);
  
  	        var othIsDefined = other !== undefined,
  	            othIsNull = other === null,
  	            othIsReflexive = other === other,
  	            othIsSymbol = isSymbol(other);
  
  	        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
  	            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
  	            (valIsNull && othIsDefined && othIsReflexive) ||
  	            (!valIsDefined && othIsReflexive) ||
  	            !valIsReflexive) {
  	          return 1;
  	        }
  	        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
  	            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
  	            (othIsNull && valIsDefined && valIsReflexive) ||
  	            (!othIsDefined && valIsReflexive) ||
  	            !othIsReflexive) {
  	          return -1;
  	        }
  	      }
  	      return 0;
  	    }
  
  	    /**
  	     * Used by `_.orderBy` to compare multiple properties of a value to another
  	     * and stable sort them.
  	     *
  	     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
  	     * specify an order of "desc" for descending or "asc" for ascending sort order
  	     * of corresponding values.
  	     *
  	     * @private
  	     * @param {Object} object The object to compare.
  	     * @param {Object} other The other object to compare.
  	     * @param {boolean[]|string[]} orders The order to sort by for each property.
  	     * @returns {number} Returns the sort order indicator for `object`.
  	     */
  	    function compareMultiple(object, other, orders) {
  	      var index = -1,
  	          objCriteria = object.criteria,
  	          othCriteria = other.criteria,
  	          length = objCriteria.length,
  	          ordersLength = orders.length;
  
  	      while (++index < length) {
  	        var result = compareAscending(objCriteria[index], othCriteria[index]);
  	        if (result) {
  	          if (index >= ordersLength) {
  	            return result;
  	          }
  	          var order = orders[index];
  	          return result * (order == 'desc' ? -1 : 1);
  	        }
  	      }
  	      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
  	      // that causes it, under certain circumstances, to provide the same value for
  	      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
  	      // for more details.
  	      //
  	      // This also ensures a stable sort in V8 and other engines.
  	      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
  	      return object.index - other.index;
  	    }
  
  	    /**
  	     * Creates an array that is the composition of partially applied arguments,
  	     * placeholders, and provided arguments into a single array of arguments.
  	     *
  	     * @private
  	     * @param {Array} args The provided arguments.
  	     * @param {Array} partials The arguments to prepend to those provided.
  	     * @param {Array} holders The `partials` placeholder indexes.
  	     * @params {boolean} [isCurried] Specify composing for a curried function.
  	     * @returns {Array} Returns the new array of composed arguments.
  	     */
  	    function composeArgs(args, partials, holders, isCurried) {
  	      var argsIndex = -1,
  	          argsLength = args.length,
  	          holdersLength = holders.length,
  	          leftIndex = -1,
  	          leftLength = partials.length,
  	          rangeLength = nativeMax(argsLength - holdersLength, 0),
  	          result = Array(leftLength + rangeLength),
  	          isUncurried = !isCurried;
  
  	      while (++leftIndex < leftLength) {
  	        result[leftIndex] = partials[leftIndex];
  	      }
  	      while (++argsIndex < holdersLength) {
  	        if (isUncurried || argsIndex < argsLength) {
  	          result[holders[argsIndex]] = args[argsIndex];
  	        }
  	      }
  	      while (rangeLength--) {
  	        result[leftIndex++] = args[argsIndex++];
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * This function is like `composeArgs` except that the arguments composition
  	     * is tailored for `_.partialRight`.
  	     *
  	     * @private
  	     * @param {Array} args The provided arguments.
  	     * @param {Array} partials The arguments to append to those provided.
  	     * @param {Array} holders The `partials` placeholder indexes.
  	     * @params {boolean} [isCurried] Specify composing for a curried function.
  	     * @returns {Array} Returns the new array of composed arguments.
  	     */
  	    function composeArgsRight(args, partials, holders, isCurried) {
  	      var argsIndex = -1,
  	          argsLength = args.length,
  	          holdersIndex = -1,
  	          holdersLength = holders.length,
  	          rightIndex = -1,
  	          rightLength = partials.length,
  	          rangeLength = nativeMax(argsLength - holdersLength, 0),
  	          result = Array(rangeLength + rightLength),
  	          isUncurried = !isCurried;
  
  	      while (++argsIndex < rangeLength) {
  	        result[argsIndex] = args[argsIndex];
  	      }
  	      var offset = argsIndex;
  	      while (++rightIndex < rightLength) {
  	        result[offset + rightIndex] = partials[rightIndex];
  	      }
  	      while (++holdersIndex < holdersLength) {
  	        if (isUncurried || argsIndex < argsLength) {
  	          result[offset + holders[holdersIndex]] = args[argsIndex++];
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Copies the values of `source` to `array`.
  	     *
  	     * @private
  	     * @param {Array} source The array to copy values from.
  	     * @param {Array} [array=[]] The array to copy values to.
  	     * @returns {Array} Returns `array`.
  	     */
  	    function copyArray(source, array) {
  	      var index = -1,
  	          length = source.length;
  
  	      array || (array = Array(length));
  	      while (++index < length) {
  	        array[index] = source[index];
  	      }
  	      return array;
  	    }
  
  	    /**
  	     * Copies properties of `source` to `object`.
  	     *
  	     * @private
  	     * @param {Object} source The object to copy properties from.
  	     * @param {Array} props The property identifiers to copy.
  	     * @param {Object} [object={}] The object to copy properties to.
  	     * @param {Function} [customizer] The function to customize copied values.
  	     * @returns {Object} Returns `object`.
  	     */
  	    function copyObject(source, props, object, customizer) {
  	      var isNew = !object;
  	      object || (object = {});
  
  	      var index = -1,
  	          length = props.length;
  
  	      while (++index < length) {
  	        var key = props[index];
  
  	        var newValue = customizer
  	          ? customizer(object[key], source[key], key, object, source)
  	          : undefined;
  
  	        if (newValue === undefined) {
  	          newValue = source[key];
  	        }
  	        if (isNew) {
  	          baseAssignValue(object, key, newValue);
  	        } else {
  	          assignValue(object, key, newValue);
  	        }
  	      }
  	      return object;
  	    }
  
  	    /**
  	     * Copies own symbols of `source` to `object`.
  	     *
  	     * @private
  	     * @param {Object} source The object to copy symbols from.
  	     * @param {Object} [object={}] The object to copy symbols to.
  	     * @returns {Object} Returns `object`.
  	     */
  	    function copySymbols(source, object) {
  	      return copyObject(source, getSymbols(source), object);
  	    }
  
  	    /**
  	     * Copies own and inherited symbols of `source` to `object`.
  	     *
  	     * @private
  	     * @param {Object} source The object to copy symbols from.
  	     * @param {Object} [object={}] The object to copy symbols to.
  	     * @returns {Object} Returns `object`.
  	     */
  	    function copySymbolsIn(source, object) {
  	      return copyObject(source, getSymbolsIn(source), object);
  	    }
  
  	    /**
  	     * Creates a function like `_.groupBy`.
  	     *
  	     * @private
  	     * @param {Function} setter The function to set accumulator values.
  	     * @param {Function} [initializer] The accumulator object initializer.
  	     * @returns {Function} Returns the new aggregator function.
  	     */
  	    function createAggregator(setter, initializer) {
  	      return function(collection, iteratee) {
  	        var func = isArray(collection) ? arrayAggregator : baseAggregator,
  	            accumulator = initializer ? initializer() : {};
  
  	        return func(collection, setter, getIteratee(iteratee, 2), accumulator);
  	      };
  	    }
  
  	    /**
  	     * Creates a function like `_.assign`.
  	     *
  	     * @private
  	     * @param {Function} assigner The function to assign values.
  	     * @returns {Function} Returns the new assigner function.
  	     */
  	    function createAssigner(assigner) {
  	      return baseRest(function(object, sources) {
  	        var index = -1,
  	            length = sources.length,
  	            customizer = length > 1 ? sources[length - 1] : undefined,
  	            guard = length > 2 ? sources[2] : undefined;
  
  	        customizer = (assigner.length > 3 && typeof customizer == 'function')
  	          ? (length--, customizer)
  	          : undefined;
  
  	        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
  	          customizer = length < 3 ? undefined : customizer;
  	          length = 1;
  	        }
  	        object = Object(object);
  	        while (++index < length) {
  	          var source = sources[index];
  	          if (source) {
  	            assigner(object, source, index, customizer);
  	          }
  	        }
  	        return object;
  	      });
  	    }
  
  	    /**
  	     * Creates a `baseEach` or `baseEachRight` function.
  	     *
  	     * @private
  	     * @param {Function} eachFunc The function to iterate over a collection.
  	     * @param {boolean} [fromRight] Specify iterating from right to left.
  	     * @returns {Function} Returns the new base function.
  	     */
  	    function createBaseEach(eachFunc, fromRight) {
  	      return function(collection, iteratee) {
  	        if (collection == null) {
  	          return collection;
  	        }
  	        if (!isArrayLike(collection)) {
  	          return eachFunc(collection, iteratee);
  	        }
  	        var length = collection.length,
  	            index = fromRight ? length : -1,
  	            iterable = Object(collection);
  
  	        while ((fromRight ? index-- : ++index < length)) {
  	          if (iteratee(iterable[index], index, iterable) === false) {
  	            break;
  	          }
  	        }
  	        return collection;
  	      };
  	    }
  
  	    /**
  	     * Creates a base function for methods like `_.forIn` and `_.forOwn`.
  	     *
  	     * @private
  	     * @param {boolean} [fromRight] Specify iterating from right to left.
  	     * @returns {Function} Returns the new base function.
  	     */
  	    function createBaseFor(fromRight) {
  	      return function(object, iteratee, keysFunc) {
  	        var index = -1,
  	            iterable = Object(object),
  	            props = keysFunc(object),
  	            length = props.length;
  
  	        while (length--) {
  	          var key = props[fromRight ? length : ++index];
  	          if (iteratee(iterable[key], key, iterable) === false) {
  	            break;
  	          }
  	        }
  	        return object;
  	      };
  	    }
  
  	    /**
  	     * Creates a function that wraps `func` to invoke it with the optional `this`
  	     * binding of `thisArg`.
  	     *
  	     * @private
  	     * @param {Function} func The function to wrap.
  	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
  	     * @param {*} [thisArg] The `this` binding of `func`.
  	     * @returns {Function} Returns the new wrapped function.
  	     */
  	    function createBind(func, bitmask, thisArg) {
  	      var isBind = bitmask & WRAP_BIND_FLAG,
  	          Ctor = createCtor(func);
  
  	      function wrapper() {
  	        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
  	        return fn.apply(isBind ? thisArg : this, arguments);
  	      }
  	      return wrapper;
  	    }
  
  	    /**
  	     * Creates a function like `_.lowerFirst`.
  	     *
  	     * @private
  	     * @param {string} methodName The name of the `String` case method to use.
  	     * @returns {Function} Returns the new case function.
  	     */
  	    function createCaseFirst(methodName) {
  	      return function(string) {
  	        string = toString(string);
  
  	        var strSymbols = hasUnicode(string)
  	          ? stringToArray(string)
  	          : undefined;
  
  	        var chr = strSymbols
  	          ? strSymbols[0]
  	          : string.charAt(0);
  
  	        var trailing = strSymbols
  	          ? castSlice(strSymbols, 1).join('')
  	          : string.slice(1);
  
  	        return chr[methodName]() + trailing;
  	      };
  	    }
  
  	    /**
  	     * Creates a function like `_.camelCase`.
  	     *
  	     * @private
  	     * @param {Function} callback The function to combine each word.
  	     * @returns {Function} Returns the new compounder function.
  	     */
  	    function createCompounder(callback) {
  	      return function(string) {
  	        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
  	      };
  	    }
  
  	    /**
  	     * Creates a function that produces an instance of `Ctor` regardless of
  	     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
  	     *
  	     * @private
  	     * @param {Function} Ctor The constructor to wrap.
  	     * @returns {Function} Returns the new wrapped function.
  	     */
  	    function createCtor(Ctor) {
  	      return function() {
  	        // Use a `switch` statement to work with class constructors. See
  	        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
  	        // for more details.
  	        var args = arguments;
  	        switch (args.length) {
  	          case 0: return new Ctor;
  	          case 1: return new Ctor(args[0]);
  	          case 2: return new Ctor(args[0], args[1]);
  	          case 3: return new Ctor(args[0], args[1], args[2]);
  	          case 4: return new Ctor(args[0], args[1], args[2], args[3]);
  	          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
  	          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
  	          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
  	        }
  	        var thisBinding = baseCreate(Ctor.prototype),
  	            result = Ctor.apply(thisBinding, args);
  
  	        // Mimic the constructor's `return` behavior.
  	        // See https://es5.github.io/#x13.2.2 for more details.
  	        return isObject(result) ? result : thisBinding;
  	      };
  	    }
  
  	    /**
  	     * Creates a function that wraps `func` to enable currying.
  	     *
  	     * @private
  	     * @param {Function} func The function to wrap.
  	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
  	     * @param {number} arity The arity of `func`.
  	     * @returns {Function} Returns the new wrapped function.
  	     */
  	    function createCurry(func, bitmask, arity) {
  	      var Ctor = createCtor(func);
  
  	      function wrapper() {
  	        var length = arguments.length,
  	            args = Array(length),
  	            index = length,
  	            placeholder = getHolder(wrapper);
  
  	        while (index--) {
  	          args[index] = arguments[index];
  	        }
  	        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
  	          ? []
  	          : replaceHolders(args, placeholder);
  
  	        length -= holders.length;
  	        if (length < arity) {
  	          return createRecurry(
  	            func, bitmask, createHybrid, wrapper.placeholder, undefined,
  	            args, holders, undefined, undefined, arity - length);
  	        }
  	        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
  	        return apply(fn, this, args);
  	      }
  	      return wrapper;
  	    }
  
  	    /**
  	     * Creates a `_.find` or `_.findLast` function.
  	     *
  	     * @private
  	     * @param {Function} findIndexFunc The function to find the collection index.
  	     * @returns {Function} Returns the new find function.
  	     */
  	    function createFind(findIndexFunc) {
  	      return function(collection, predicate, fromIndex) {
  	        var iterable = Object(collection);
  	        if (!isArrayLike(collection)) {
  	          var iteratee = getIteratee(predicate, 3);
  	          collection = keys(collection);
  	          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
  	        }
  	        var index = findIndexFunc(collection, predicate, fromIndex);
  	        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
  	      };
  	    }
  
  	    /**
  	     * Creates a `_.flow` or `_.flowRight` function.
  	     *
  	     * @private
  	     * @param {boolean} [fromRight] Specify iterating from right to left.
  	     * @returns {Function} Returns the new flow function.
  	     */
  	    function createFlow(fromRight) {
  	      return flatRest(function(funcs) {
  	        var length = funcs.length,
  	            index = length,
  	            prereq = LodashWrapper.prototype.thru;
  
  	        if (fromRight) {
  	          funcs.reverse();
  	        }
  	        while (index--) {
  	          var func = funcs[index];
  	          if (typeof func != 'function') {
  	            throw new TypeError(FUNC_ERROR_TEXT);
  	          }
  	          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
  	            var wrapper = new LodashWrapper([], true);
  	          }
  	        }
  	        index = wrapper ? index : length;
  	        while (++index < length) {
  	          func = funcs[index];
  
  	          var funcName = getFuncName(func),
  	              data = funcName == 'wrapper' ? getData(func) : undefined;
  
  	          if (data && isLaziable(data[0]) &&
  	                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
  	                !data[4].length && data[9] == 1
  	              ) {
  	            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
  	          } else {
  	            wrapper = (func.length == 1 && isLaziable(func))
  	              ? wrapper[funcName]()
  	              : wrapper.thru(func);
  	          }
  	        }
  	        return function() {
  	          var args = arguments,
  	              value = args[0];
  
  	          if (wrapper && args.length == 1 && isArray(value)) {
  	            return wrapper.plant(value).value();
  	          }
  	          var index = 0,
  	              result = length ? funcs[index].apply(this, args) : value;
  
  	          while (++index < length) {
  	            result = funcs[index].call(this, result);
  	          }
  	          return result;
  	        };
  	      });
  	    }
  
  	    /**
  	     * Creates a function that wraps `func` to invoke it with optional `this`
  	     * binding of `thisArg`, partial application, and currying.
  	     *
  	     * @private
  	     * @param {Function|string} func The function or method name to wrap.
  	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
  	     * @param {*} [thisArg] The `this` binding of `func`.
  	     * @param {Array} [partials] The arguments to prepend to those provided to
  	     *  the new function.
  	     * @param {Array} [holders] The `partials` placeholder indexes.
  	     * @param {Array} [partialsRight] The arguments to append to those provided
  	     *  to the new function.
  	     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
  	     * @param {Array} [argPos] The argument positions of the new function.
  	     * @param {number} [ary] The arity cap of `func`.
  	     * @param {number} [arity] The arity of `func`.
  	     * @returns {Function} Returns the new wrapped function.
  	     */
  	    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
  	      var isAry = bitmask & WRAP_ARY_FLAG,
  	          isBind = bitmask & WRAP_BIND_FLAG,
  	          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
  	          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
  	          isFlip = bitmask & WRAP_FLIP_FLAG,
  	          Ctor = isBindKey ? undefined : createCtor(func);
  
  	      function wrapper() {
  	        var length = arguments.length,
  	            args = Array(length),
  	            index = length;
  
  	        while (index--) {
  	          args[index] = arguments[index];
  	        }
  	        if (isCurried) {
  	          var placeholder = getHolder(wrapper),
  	              holdersCount = countHolders(args, placeholder);
  	        }
  	        if (partials) {
  	          args = composeArgs(args, partials, holders, isCurried);
  	        }
  	        if (partialsRight) {
  	          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
  	        }
  	        length -= holdersCount;
  	        if (isCurried && length < arity) {
  	          var newHolders = replaceHolders(args, placeholder);
  	          return createRecurry(
  	            func, bitmask, createHybrid, wrapper.placeholder, thisArg,
  	            args, newHolders, argPos, ary, arity - length
  	          );
  	        }
  	        var thisBinding = isBind ? thisArg : this,
  	            fn = isBindKey ? thisBinding[func] : func;
  
  	        length = args.length;
  	        if (argPos) {
  	          args = reorder(args, argPos);
  	        } else if (isFlip && length > 1) {
  	          args.reverse();
  	        }
  	        if (isAry && ary < length) {
  	          args.length = ary;
  	        }
  	        if (this && this !== root && this instanceof wrapper) {
  	          fn = Ctor || createCtor(fn);
  	        }
  	        return fn.apply(thisBinding, args);
  	      }
  	      return wrapper;
  	    }
  
  	    /**
  	     * Creates a function like `_.invertBy`.
  	     *
  	     * @private
  	     * @param {Function} setter The function to set accumulator values.
  	     * @param {Function} toIteratee The function to resolve iteratees.
  	     * @returns {Function} Returns the new inverter function.
  	     */
  	    function createInverter(setter, toIteratee) {
  	      return function(object, iteratee) {
  	        return baseInverter(object, setter, toIteratee(iteratee), {});
  	      };
  	    }
  
  	    /**
  	     * Creates a function that performs a mathematical operation on two values.
  	     *
  	     * @private
  	     * @param {Function} operator The function to perform the operation.
  	     * @param {number} [defaultValue] The value used for `undefined` arguments.
  	     * @returns {Function} Returns the new mathematical operation function.
  	     */
  	    function createMathOperation(operator, defaultValue) {
  	      return function(value, other) {
  	        var result;
  	        if (value === undefined && other === undefined) {
  	          return defaultValue;
  	        }
  	        if (value !== undefined) {
  	          result = value;
  	        }
  	        if (other !== undefined) {
  	          if (result === undefined) {
  	            return other;
  	          }
  	          if (typeof value == 'string' || typeof other == 'string') {
  	            value = baseToString(value);
  	            other = baseToString(other);
  	          } else {
  	            value = baseToNumber(value);
  	            other = baseToNumber(other);
  	          }
  	          result = operator(value, other);
  	        }
  	        return result;
  	      };
  	    }
  
  	    /**
  	     * Creates a function like `_.over`.
  	     *
  	     * @private
  	     * @param {Function} arrayFunc The function to iterate over iteratees.
  	     * @returns {Function} Returns the new over function.
  	     */
  	    function createOver(arrayFunc) {
  	      return flatRest(function(iteratees) {
  	        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
  	        return baseRest(function(args) {
  	          var thisArg = this;
  	          return arrayFunc(iteratees, function(iteratee) {
  	            return apply(iteratee, thisArg, args);
  	          });
  	        });
  	      });
  	    }
  
  	    /**
  	     * Creates the padding for `string` based on `length`. The `chars` string
  	     * is truncated if the number of characters exceeds `length`.
  	     *
  	     * @private
  	     * @param {number} length The padding length.
  	     * @param {string} [chars=' '] The string used as padding.
  	     * @returns {string} Returns the padding for `string`.
  	     */
  	    function createPadding(length, chars) {
  	      chars = chars === undefined ? ' ' : baseToString(chars);
  
  	      var charsLength = chars.length;
  	      if (charsLength < 2) {
  	        return charsLength ? baseRepeat(chars, length) : chars;
  	      }
  	      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
  	      return hasUnicode(chars)
  	        ? castSlice(stringToArray(result), 0, length).join('')
  	        : result.slice(0, length);
  	    }
  
  	    /**
  	     * Creates a function that wraps `func` to invoke it with the `this` binding
  	     * of `thisArg` and `partials` prepended to the arguments it receives.
  	     *
  	     * @private
  	     * @param {Function} func The function to wrap.
  	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
  	     * @param {*} thisArg The `this` binding of `func`.
  	     * @param {Array} partials The arguments to prepend to those provided to
  	     *  the new function.
  	     * @returns {Function} Returns the new wrapped function.
  	     */
  	    function createPartial(func, bitmask, thisArg, partials) {
  	      var isBind = bitmask & WRAP_BIND_FLAG,
  	          Ctor = createCtor(func);
  
  	      function wrapper() {
  	        var argsIndex = -1,
  	            argsLength = arguments.length,
  	            leftIndex = -1,
  	            leftLength = partials.length,
  	            args = Array(leftLength + argsLength),
  	            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
  
  	        while (++leftIndex < leftLength) {
  	          args[leftIndex] = partials[leftIndex];
  	        }
  	        while (argsLength--) {
  	          args[leftIndex++] = arguments[++argsIndex];
  	        }
  	        return apply(fn, isBind ? thisArg : this, args);
  	      }
  	      return wrapper;
  	    }
  
  	    /**
  	     * Creates a `_.range` or `_.rangeRight` function.
  	     *
  	     * @private
  	     * @param {boolean} [fromRight] Specify iterating from right to left.
  	     * @returns {Function} Returns the new range function.
  	     */
  	    function createRange(fromRight) {
  	      return function(start, end, step) {
  	        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
  	          end = step = undefined;
  	        }
  	        // Ensure the sign of `-0` is preserved.
  	        start = toFinite(start);
  	        if (end === undefined) {
  	          end = start;
  	          start = 0;
  	        } else {
  	          end = toFinite(end);
  	        }
  	        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
  	        return baseRange(start, end, step, fromRight);
  	      };
  	    }
  
  	    /**
  	     * Creates a function that performs a relational operation on two values.
  	     *
  	     * @private
  	     * @param {Function} operator The function to perform the operation.
  	     * @returns {Function} Returns the new relational operation function.
  	     */
  	    function createRelationalOperation(operator) {
  	      return function(value, other) {
  	        if (!(typeof value == 'string' && typeof other == 'string')) {
  	          value = toNumber(value);
  	          other = toNumber(other);
  	        }
  	        return operator(value, other);
  	      };
  	    }
  
  	    /**
  	     * Creates a function that wraps `func` to continue currying.
  	     *
  	     * @private
  	     * @param {Function} func The function to wrap.
  	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
  	     * @param {Function} wrapFunc The function to create the `func` wrapper.
  	     * @param {*} placeholder The placeholder value.
  	     * @param {*} [thisArg] The `this` binding of `func`.
  	     * @param {Array} [partials] The arguments to prepend to those provided to
  	     *  the new function.
  	     * @param {Array} [holders] The `partials` placeholder indexes.
  	     * @param {Array} [argPos] The argument positions of the new function.
  	     * @param {number} [ary] The arity cap of `func`.
  	     * @param {number} [arity] The arity of `func`.
  	     * @returns {Function} Returns the new wrapped function.
  	     */
  	    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
  	      var isCurry = bitmask & WRAP_CURRY_FLAG,
  	          newHolders = isCurry ? holders : undefined,
  	          newHoldersRight = isCurry ? undefined : holders,
  	          newPartials = isCurry ? partials : undefined,
  	          newPartialsRight = isCurry ? undefined : partials;
  
  	      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
  	      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
  
  	      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
  	        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
  	      }
  	      var newData = [
  	        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
  	        newHoldersRight, argPos, ary, arity
  	      ];
  
  	      var result = wrapFunc.apply(undefined, newData);
  	      if (isLaziable(func)) {
  	        setData(result, newData);
  	      }
  	      result.placeholder = placeholder;
  	      return setWrapToString(result, func, bitmask);
  	    }
  
  	    /**
  	     * Creates a function like `_.round`.
  	     *
  	     * @private
  	     * @param {string} methodName The name of the `Math` method to use when rounding.
  	     * @returns {Function} Returns the new round function.
  	     */
  	    function createRound(methodName) {
  	      var func = Math[methodName];
  	      return function(number, precision) {
  	        number = toNumber(number);
  	        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
  	        if (precision) {
  	          // Shift with exponential notation to avoid floating-point issues.
  	          // See [MDN](https://mdn.io/round#Examples) for more details.
  	          var pair = (toString(number) + 'e').split('e'),
  	              value = func(pair[0] + 'e' + (+pair[1] + precision));
  
  	          pair = (toString(value) + 'e').split('e');
  	          return +(pair[0] + 'e' + (+pair[1] - precision));
  	        }
  	        return func(number);
  	      };
  	    }
  
  	    /**
  	     * Creates a set object of `values`.
  	     *
  	     * @private
  	     * @param {Array} values The values to add to the set.
  	     * @returns {Object} Returns the new set.
  	     */
  	    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
  	      return new Set(values);
  	    };
  
  	    /**
  	     * Creates a `_.toPairs` or `_.toPairsIn` function.
  	     *
  	     * @private
  	     * @param {Function} keysFunc The function to get the keys of a given object.
  	     * @returns {Function} Returns the new pairs function.
  	     */
  	    function createToPairs(keysFunc) {
  	      return function(object) {
  	        var tag = getTag(object);
  	        if (tag == mapTag) {
  	          return mapToArray(object);
  	        }
  	        if (tag == setTag) {
  	          return setToPairs(object);
  	        }
  	        return baseToPairs(object, keysFunc(object));
  	      };
  	    }
  
  	    /**
  	     * Creates a function that either curries or invokes `func` with optional
  	     * `this` binding and partially applied arguments.
  	     *
  	     * @private
  	     * @param {Function|string} func The function or method name to wrap.
  	     * @param {number} bitmask The bitmask flags.
  	     *    1 - `_.bind`
  	     *    2 - `_.bindKey`
  	     *    4 - `_.curry` or `_.curryRight` of a bound function
  	     *    8 - `_.curry`
  	     *   16 - `_.curryRight`
  	     *   32 - `_.partial`
  	     *   64 - `_.partialRight`
  	     *  128 - `_.rearg`
  	     *  256 - `_.ary`
  	     *  512 - `_.flip`
  	     * @param {*} [thisArg] The `this` binding of `func`.
  	     * @param {Array} [partials] The arguments to be partially applied.
  	     * @param {Array} [holders] The `partials` placeholder indexes.
  	     * @param {Array} [argPos] The argument positions of the new function.
  	     * @param {number} [ary] The arity cap of `func`.
  	     * @param {number} [arity] The arity of `func`.
  	     * @returns {Function} Returns the new wrapped function.
  	     */
  	    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
  	      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
  	      if (!isBindKey && typeof func != 'function') {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      var length = partials ? partials.length : 0;
  	      if (!length) {
  	        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
  	        partials = holders = undefined;
  	      }
  	      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
  	      arity = arity === undefined ? arity : toInteger(arity);
  	      length -= holders ? holders.length : 0;
  
  	      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
  	        var partialsRight = partials,
  	            holdersRight = holders;
  
  	        partials = holders = undefined;
  	      }
  	      var data = isBindKey ? undefined : getData(func);
  
  	      var newData = [
  	        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
  	        argPos, ary, arity
  	      ];
  
  	      if (data) {
  	        mergeData(newData, data);
  	      }
  	      func = newData[0];
  	      bitmask = newData[1];
  	      thisArg = newData[2];
  	      partials = newData[3];
  	      holders = newData[4];
  	      arity = newData[9] = newData[9] === undefined
  	        ? (isBindKey ? 0 : func.length)
  	        : nativeMax(newData[9] - length, 0);
  
  	      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
  	        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
  	      }
  	      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
  	        var result = createBind(func, bitmask, thisArg);
  	      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
  	        result = createCurry(func, bitmask, arity);
  	      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
  	        result = createPartial(func, bitmask, thisArg, partials);
  	      } else {
  	        result = createHybrid.apply(undefined, newData);
  	      }
  	      var setter = data ? baseSetData : setData;
  	      return setWrapToString(setter(result, newData), func, bitmask);
  	    }
  
  	    /**
  	     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
  	     * of source objects to the destination object for all destination properties
  	     * that resolve to `undefined`.
  	     *
  	     * @private
  	     * @param {*} objValue The destination value.
  	     * @param {*} srcValue The source value.
  	     * @param {string} key The key of the property to assign.
  	     * @param {Object} object The parent object of `objValue`.
  	     * @returns {*} Returns the value to assign.
  	     */
  	    function customDefaultsAssignIn(objValue, srcValue, key, object) {
  	      if (objValue === undefined ||
  	          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
  	        return srcValue;
  	      }
  	      return objValue;
  	    }
  
  	    /**
  	     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
  	     * objects into destination objects that are passed thru.
  	     *
  	     * @private
  	     * @param {*} objValue The destination value.
  	     * @param {*} srcValue The source value.
  	     * @param {string} key The key of the property to merge.
  	     * @param {Object} object The parent object of `objValue`.
  	     * @param {Object} source The parent object of `srcValue`.
  	     * @param {Object} [stack] Tracks traversed source values and their merged
  	     *  counterparts.
  	     * @returns {*} Returns the value to assign.
  	     */
  	    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
  	      if (isObject(objValue) && isObject(srcValue)) {
  	        // Recursively merge objects and arrays (susceptible to call stack limits).
  	        stack.set(srcValue, objValue);
  	        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
  	        stack['delete'](srcValue);
  	      }
  	      return objValue;
  	    }
  
  	    /**
  	     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
  	     * objects.
  	     *
  	     * @private
  	     * @param {*} value The value to inspect.
  	     * @param {string} key The key of the property to inspect.
  	     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
  	     */
  	    function customOmitClone(value) {
  	      return isPlainObject(value) ? undefined : value;
  	    }
  
  	    /**
  	     * A specialized version of `baseIsEqualDeep` for arrays with support for
  	     * partial deep comparisons.
  	     *
  	     * @private
  	     * @param {Array} array The array to compare.
  	     * @param {Array} other The other array to compare.
  	     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
  	     * @param {Function} customizer The function to customize comparisons.
  	     * @param {Function} equalFunc The function to determine equivalents of values.
  	     * @param {Object} stack Tracks traversed `array` and `other` objects.
  	     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
  	     */
  	    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
  	      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
  	          arrLength = array.length,
  	          othLength = other.length;
  
  	      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
  	        return false;
  	      }
  	      // Assume cyclic values are equal.
  	      var stacked = stack.get(array);
  	      if (stacked && stack.get(other)) {
  	        return stacked == other;
  	      }
  	      var index = -1,
  	          result = true,
  	          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
  
  	      stack.set(array, other);
  	      stack.set(other, array);
  
  	      // Ignore non-index properties.
  	      while (++index < arrLength) {
  	        var arrValue = array[index],
  	            othValue = other[index];
  
  	        if (customizer) {
  	          var compared = isPartial
  	            ? customizer(othValue, arrValue, index, other, array, stack)
  	            : customizer(arrValue, othValue, index, array, other, stack);
  	        }
  	        if (compared !== undefined) {
  	          if (compared) {
  	            continue;
  	          }
  	          result = false;
  	          break;
  	        }
  	        // Recursively compare arrays (susceptible to call stack limits).
  	        if (seen) {
  	          if (!arraySome(other, function(othValue, othIndex) {
  	                if (!cacheHas(seen, othIndex) &&
  	                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
  	                  return seen.push(othIndex);
  	                }
  	              })) {
  	            result = false;
  	            break;
  	          }
  	        } else if (!(
  	              arrValue === othValue ||
  	                equalFunc(arrValue, othValue, bitmask, customizer, stack)
  	            )) {
  	          result = false;
  	          break;
  	        }
  	      }
  	      stack['delete'](array);
  	      stack['delete'](other);
  	      return result;
  	    }
  
  	    /**
  	     * A specialized version of `baseIsEqualDeep` for comparing objects of
  	     * the same `toStringTag`.
  	     *
  	     * **Note:** This function only supports comparing values with tags of
  	     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
  	     *
  	     * @private
  	     * @param {Object} object The object to compare.
  	     * @param {Object} other The other object to compare.
  	     * @param {string} tag The `toStringTag` of the objects to compare.
  	     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
  	     * @param {Function} customizer The function to customize comparisons.
  	     * @param {Function} equalFunc The function to determine equivalents of values.
  	     * @param {Object} stack Tracks traversed `object` and `other` objects.
  	     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
  	     */
  	    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
  	      switch (tag) {
  	        case dataViewTag:
  	          if ((object.byteLength != other.byteLength) ||
  	              (object.byteOffset != other.byteOffset)) {
  	            return false;
  	          }
  	          object = object.buffer;
  	          other = other.buffer;
  
  	        case arrayBufferTag:
  	          if ((object.byteLength != other.byteLength) ||
  	              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
  	            return false;
  	          }
  	          return true;
  
  	        case boolTag:
  	        case dateTag:
  	        case numberTag:
  	          // Coerce booleans to `1` or `0` and dates to milliseconds.
  	          // Invalid dates are coerced to `NaN`.
  	          return eq(+object, +other);
  
  	        case errorTag:
  	          return object.name == other.name && object.message == other.message;
  
  	        case regexpTag:
  	        case stringTag:
  	          // Coerce regexes to strings and treat strings, primitives and objects,
  	          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
  	          // for more details.
  	          return object == (other + '');
  
  	        case mapTag:
  	          var convert = mapToArray;
  
  	        case setTag:
  	          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
  	          convert || (convert = setToArray);
  
  	          if (object.size != other.size && !isPartial) {
  	            return false;
  	          }
  	          // Assume cyclic values are equal.
  	          var stacked = stack.get(object);
  	          if (stacked) {
  	            return stacked == other;
  	          }
  	          bitmask |= COMPARE_UNORDERED_FLAG;
  
  	          // Recursively compare objects (susceptible to call stack limits).
  	          stack.set(object, other);
  	          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
  	          stack['delete'](object);
  	          return result;
  
  	        case symbolTag:
  	          if (symbolValueOf) {
  	            return symbolValueOf.call(object) == symbolValueOf.call(other);
  	          }
  	      }
  	      return false;
  	    }
  
  	    /**
  	     * A specialized version of `baseIsEqualDeep` for objects with support for
  	     * partial deep comparisons.
  	     *
  	     * @private
  	     * @param {Object} object The object to compare.
  	     * @param {Object} other The other object to compare.
  	     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
  	     * @param {Function} customizer The function to customize comparisons.
  	     * @param {Function} equalFunc The function to determine equivalents of values.
  	     * @param {Object} stack Tracks traversed `object` and `other` objects.
  	     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
  	     */
  	    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
  	      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
  	          objProps = getAllKeys(object),
  	          objLength = objProps.length,
  	          othProps = getAllKeys(other),
  	          othLength = othProps.length;
  
  	      if (objLength != othLength && !isPartial) {
  	        return false;
  	      }
  	      var index = objLength;
  	      while (index--) {
  	        var key = objProps[index];
  	        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
  	          return false;
  	        }
  	      }
  	      // Assume cyclic values are equal.
  	      var stacked = stack.get(object);
  	      if (stacked && stack.get(other)) {
  	        return stacked == other;
  	      }
  	      var result = true;
  	      stack.set(object, other);
  	      stack.set(other, object);
  
  	      var skipCtor = isPartial;
  	      while (++index < objLength) {
  	        key = objProps[index];
  	        var objValue = object[key],
  	            othValue = other[key];
  
  	        if (customizer) {
  	          var compared = isPartial
  	            ? customizer(othValue, objValue, key, other, object, stack)
  	            : customizer(objValue, othValue, key, object, other, stack);
  	        }
  	        // Recursively compare objects (susceptible to call stack limits).
  	        if (!(compared === undefined
  	              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
  	              : compared
  	            )) {
  	          result = false;
  	          break;
  	        }
  	        skipCtor || (skipCtor = key == 'constructor');
  	      }
  	      if (result && !skipCtor) {
  	        var objCtor = object.constructor,
  	            othCtor = other.constructor;
  
  	        // Non `Object` object instances with different constructors are not equal.
  	        if (objCtor != othCtor &&
  	            ('constructor' in object && 'constructor' in other) &&
  	            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
  	              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
  	          result = false;
  	        }
  	      }
  	      stack['delete'](object);
  	      stack['delete'](other);
  	      return result;
  	    }
  
  	    /**
  	     * A specialized version of `baseRest` which flattens the rest array.
  	     *
  	     * @private
  	     * @param {Function} func The function to apply a rest parameter to.
  	     * @returns {Function} Returns the new function.
  	     */
  	    function flatRest(func) {
  	      return setToString(overRest(func, undefined, flatten), func + '');
  	    }
  
  	    /**
  	     * Creates an array of own enumerable property names and symbols of `object`.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of property names and symbols.
  	     */
  	    function getAllKeys(object) {
  	      return baseGetAllKeys(object, keys, getSymbols);
  	    }
  
  	    /**
  	     * Creates an array of own and inherited enumerable property names and
  	     * symbols of `object`.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of property names and symbols.
  	     */
  	    function getAllKeysIn(object) {
  	      return baseGetAllKeys(object, keysIn, getSymbolsIn);
  	    }
  
  	    /**
  	     * Gets metadata for `func`.
  	     *
  	     * @private
  	     * @param {Function} func The function to query.
  	     * @returns {*} Returns the metadata for `func`.
  	     */
  	    var getData = !metaMap ? noop : function(func) {
  	      return metaMap.get(func);
  	    };
  
  	    /**
  	     * Gets the name of `func`.
  	     *
  	     * @private
  	     * @param {Function} func The function to query.
  	     * @returns {string} Returns the function name.
  	     */
  	    function getFuncName(func) {
  	      var result = (func.name + ''),
  	          array = realNames[result],
  	          length = hasOwnProperty.call(realNames, result) ? array.length : 0;
  
  	      while (length--) {
  	        var data = array[length],
  	            otherFunc = data.func;
  	        if (otherFunc == null || otherFunc == func) {
  	          return data.name;
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Gets the argument placeholder value for `func`.
  	     *
  	     * @private
  	     * @param {Function} func The function to inspect.
  	     * @returns {*} Returns the placeholder value.
  	     */
  	    function getHolder(func) {
  	      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
  	      return object.placeholder;
  	    }
  
  	    /**
  	     * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
  	     * this function returns the custom method, otherwise it returns `baseIteratee`.
  	     * If arguments are provided, the chosen function is invoked with them and
  	     * its result is returned.
  	     *
  	     * @private
  	     * @param {*} [value] The value to convert to an iteratee.
  	     * @param {number} [arity] The arity of the created iteratee.
  	     * @returns {Function} Returns the chosen function or its result.
  	     */
  	    function getIteratee() {
  	      var result = lodash.iteratee || iteratee;
  	      result = result === iteratee ? baseIteratee : result;
  	      return arguments.length ? result(arguments[0], arguments[1]) : result;
  	    }
  
  	    /**
  	     * Gets the data for `map`.
  	     *
  	     * @private
  	     * @param {Object} map The map to query.
  	     * @param {string} key The reference key.
  	     * @returns {*} Returns the map data.
  	     */
  	    function getMapData(map, key) {
  	      var data = map.__data__;
  	      return isKeyable(key)
  	        ? data[typeof key == 'string' ? 'string' : 'hash']
  	        : data.map;
  	    }
  
  	    /**
  	     * Gets the property names, values, and compare flags of `object`.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the match data of `object`.
  	     */
  	    function getMatchData(object) {
  	      var result = keys(object),
  	          length = result.length;
  
  	      while (length--) {
  	        var key = result[length],
  	            value = object[key];
  
  	        result[length] = [key, value, isStrictComparable(value)];
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Gets the native function at `key` of `object`.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @param {string} key The key of the method to get.
  	     * @returns {*} Returns the function if it's native, else `undefined`.
  	     */
  	    function getNative(object, key) {
  	      var value = getValue(object, key);
  	      return baseIsNative(value) ? value : undefined;
  	    }
  
  	    /**
  	     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
  	     *
  	     * @private
  	     * @param {*} value The value to query.
  	     * @returns {string} Returns the raw `toStringTag`.
  	     */
  	    function getRawTag(value) {
  	      var isOwn = hasOwnProperty.call(value, symToStringTag),
  	          tag = value[symToStringTag];
  
  	      try {
  	        value[symToStringTag] = undefined;
  	        var unmasked = true;
  	      } catch (e) {}
  
  	      var result = nativeObjectToString.call(value);
  	      if (unmasked) {
  	        if (isOwn) {
  	          value[symToStringTag] = tag;
  	        } else {
  	          delete value[symToStringTag];
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Creates an array of the own enumerable symbols of `object`.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of symbols.
  	     */
  	    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
  	      if (object == null) {
  	        return [];
  	      }
  	      object = Object(object);
  	      return arrayFilter(nativeGetSymbols(object), function(symbol) {
  	        return propertyIsEnumerable.call(object, symbol);
  	      });
  	    };
  
  	    /**
  	     * Creates an array of the own and inherited enumerable symbols of `object`.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of symbols.
  	     */
  	    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
  	      var result = [];
  	      while (object) {
  	        arrayPush(result, getSymbols(object));
  	        object = getPrototype(object);
  	      }
  	      return result;
  	    };
  
  	    /**
  	     * Gets the `toStringTag` of `value`.
  	     *
  	     * @private
  	     * @param {*} value The value to query.
  	     * @returns {string} Returns the `toStringTag`.
  	     */
  	    var getTag = baseGetTag;
  
  	    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
  	    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
  	        (Map && getTag(new Map) != mapTag) ||
  	        (Promise && getTag(Promise.resolve()) != promiseTag) ||
  	        (Set && getTag(new Set) != setTag) ||
  	        (WeakMap && getTag(new WeakMap) != weakMapTag)) {
  	      getTag = function(value) {
  	        var result = baseGetTag(value),
  	            Ctor = result == objectTag ? value.constructor : undefined,
  	            ctorString = Ctor ? toSource(Ctor) : '';
  
  	        if (ctorString) {
  	          switch (ctorString) {
  	            case dataViewCtorString: return dataViewTag;
  	            case mapCtorString: return mapTag;
  	            case promiseCtorString: return promiseTag;
  	            case setCtorString: return setTag;
  	            case weakMapCtorString: return weakMapTag;
  	          }
  	        }
  	        return result;
  	      };
  	    }
  
  	    /**
  	     * Gets the view, applying any `transforms` to the `start` and `end` positions.
  	     *
  	     * @private
  	     * @param {number} start The start of the view.
  	     * @param {number} end The end of the view.
  	     * @param {Array} transforms The transformations to apply to the view.
  	     * @returns {Object} Returns an object containing the `start` and `end`
  	     *  positions of the view.
  	     */
  	    function getView(start, end, transforms) {
  	      var index = -1,
  	          length = transforms.length;
  
  	      while (++index < length) {
  	        var data = transforms[index],
  	            size = data.size;
  
  	        switch (data.type) {
  	          case 'drop':      start += size; break;
  	          case 'dropRight': end -= size; break;
  	          case 'take':      end = nativeMin(end, start + size); break;
  	          case 'takeRight': start = nativeMax(start, end - size); break;
  	        }
  	      }
  	      return { 'start': start, 'end': end };
  	    }
  
  	    /**
  	     * Extracts wrapper details from the `source` body comment.
  	     *
  	     * @private
  	     * @param {string} source The source to inspect.
  	     * @returns {Array} Returns the wrapper details.
  	     */
  	    function getWrapDetails(source) {
  	      var match = source.match(reWrapDetails);
  	      return match ? match[1].split(reSplitDetails) : [];
  	    }
  
  	    /**
  	     * Checks if `path` exists on `object`.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @param {Array|string} path The path to check.
  	     * @param {Function} hasFunc The function to check properties.
  	     * @returns {boolean} Returns `true` if `path` exists, else `false`.
  	     */
  	    function hasPath(object, path, hasFunc) {
  	      path = castPath(path, object);
  
  	      var index = -1,
  	          length = path.length,
  	          result = false;
  
  	      while (++index < length) {
  	        var key = toKey(path[index]);
  	        if (!(result = object != null && hasFunc(object, key))) {
  	          break;
  	        }
  	        object = object[key];
  	      }
  	      if (result || ++index != length) {
  	        return result;
  	      }
  	      length = object == null ? 0 : object.length;
  	      return !!length && isLength(length) && isIndex(key, length) &&
  	        (isArray(object) || isArguments(object));
  	    }
  
  	    /**
  	     * Initializes an array clone.
  	     *
  	     * @private
  	     * @param {Array} array The array to clone.
  	     * @returns {Array} Returns the initialized clone.
  	     */
  	    function initCloneArray(array) {
  	      var length = array.length,
  	          result = new array.constructor(length);
  
  	      // Add properties assigned by `RegExp#exec`.
  	      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
  	        result.index = array.index;
  	        result.input = array.input;
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Initializes an object clone.
  	     *
  	     * @private
  	     * @param {Object} object The object to clone.
  	     * @returns {Object} Returns the initialized clone.
  	     */
  	    function initCloneObject(object) {
  	      return (typeof object.constructor == 'function' && !isPrototype(object))
  	        ? baseCreate(getPrototype(object))
  	        : {};
  	    }
  
  	    /**
  	     * Initializes an object clone based on its `toStringTag`.
  	     *
  	     * **Note:** This function only supports cloning values with tags of
  	     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
  	     *
  	     * @private
  	     * @param {Object} object The object to clone.
  	     * @param {string} tag The `toStringTag` of the object to clone.
  	     * @param {boolean} [isDeep] Specify a deep clone.
  	     * @returns {Object} Returns the initialized clone.
  	     */
  	    function initCloneByTag(object, tag, isDeep) {
  	      var Ctor = object.constructor;
  	      switch (tag) {
  	        case arrayBufferTag:
  	          return cloneArrayBuffer(object);
  
  	        case boolTag:
  	        case dateTag:
  	          return new Ctor(+object);
  
  	        case dataViewTag:
  	          return cloneDataView(object, isDeep);
  
  	        case float32Tag: case float64Tag:
  	        case int8Tag: case int16Tag: case int32Tag:
  	        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
  	          return cloneTypedArray(object, isDeep);
  
  	        case mapTag:
  	          return new Ctor;
  
  	        case numberTag:
  	        case stringTag:
  	          return new Ctor(object);
  
  	        case regexpTag:
  	          return cloneRegExp(object);
  
  	        case setTag:
  	          return new Ctor;
  
  	        case symbolTag:
  	          return cloneSymbol(object);
  	      }
  	    }
  
  	    /**
  	     * Inserts wrapper `details` in a comment at the top of the `source` body.
  	     *
  	     * @private
  	     * @param {string} source The source to modify.
  	     * @returns {Array} details The details to insert.
  	     * @returns {string} Returns the modified source.
  	     */
  	    function insertWrapDetails(source, details) {
  	      var length = details.length;
  	      if (!length) {
  	        return source;
  	      }
  	      var lastIndex = length - 1;
  	      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
  	      details = details.join(length > 2 ? ', ' : ' ');
  	      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
  	    }
  
  	    /**
  	     * Checks if `value` is a flattenable `arguments` object or array.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
  	     */
  	    function isFlattenable(value) {
  	      return isArray(value) || isArguments(value) ||
  	        !!(spreadableSymbol && value && value[spreadableSymbol]);
  	    }
  
  	    /**
  	     * Checks if `value` is a valid array-like index.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
  	     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
  	     */
  	    function isIndex(value, length) {
  	      var type = typeof value;
  	      length = length == null ? MAX_SAFE_INTEGER : length;
  
  	      return !!length &&
  	        (type == 'number' ||
  	          (type != 'symbol' && reIsUint.test(value))) &&
  	            (value > -1 && value % 1 == 0 && value < length);
  	    }
  
  	    /**
  	     * Checks if the given arguments are from an iteratee call.
  	     *
  	     * @private
  	     * @param {*} value The potential iteratee value argument.
  	     * @param {*} index The potential iteratee index or key argument.
  	     * @param {*} object The potential iteratee object argument.
  	     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
  	     *  else `false`.
  	     */
  	    function isIterateeCall(value, index, object) {
  	      if (!isObject(object)) {
  	        return false;
  	      }
  	      var type = typeof index;
  	      if (type == 'number'
  	            ? (isArrayLike(object) && isIndex(index, object.length))
  	            : (type == 'string' && index in object)
  	          ) {
  	        return eq(object[index], value);
  	      }
  	      return false;
  	    }
  
  	    /**
  	     * Checks if `value` is a property name and not a property path.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @param {Object} [object] The object to query keys on.
  	     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
  	     */
  	    function isKey(value, object) {
  	      if (isArray(value)) {
  	        return false;
  	      }
  	      var type = typeof value;
  	      if (type == 'number' || type == 'symbol' || type == 'boolean' ||
  	          value == null || isSymbol(value)) {
  	        return true;
  	      }
  	      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
  	        (object != null && value in Object(object));
  	    }
  
  	    /**
  	     * Checks if `value` is suitable for use as unique object key.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
  	     */
  	    function isKeyable(value) {
  	      var type = typeof value;
  	      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
  	        ? (value !== '__proto__')
  	        : (value === null);
  	    }
  
  	    /**
  	     * Checks if `func` has a lazy counterpart.
  	     *
  	     * @private
  	     * @param {Function} func The function to check.
  	     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
  	     *  else `false`.
  	     */
  	    function isLaziable(func) {
  	      var funcName = getFuncName(func),
  	          other = lodash[funcName];
  
  	      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
  	        return false;
  	      }
  	      if (func === other) {
  	        return true;
  	      }
  	      var data = getData(other);
  	      return !!data && func === data[0];
  	    }
  
  	    /**
  	     * Checks if `func` has its source masked.
  	     *
  	     * @private
  	     * @param {Function} func The function to check.
  	     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
  	     */
  	    function isMasked(func) {
  	      return !!maskSrcKey && (maskSrcKey in func);
  	    }
  
  	    /**
  	     * Checks if `func` is capable of being masked.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
  	     */
  	    var isMaskable = coreJsData ? isFunction : stubFalse;
  
  	    /**
  	     * Checks if `value` is likely a prototype object.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
  	     */
  	    function isPrototype(value) {
  	      var Ctor = value && value.constructor,
  	          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
  
  	      return value === proto;
  	    }
  
  	    /**
  	     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
  	     *
  	     * @private
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` if suitable for strict
  	     *  equality comparisons, else `false`.
  	     */
  	    function isStrictComparable(value) {
  	      return value === value && !isObject(value);
  	    }
  
  	    /**
  	     * A specialized version of `matchesProperty` for source values suitable
  	     * for strict equality comparisons, i.e. `===`.
  	     *
  	     * @private
  	     * @param {string} key The key of the property to get.
  	     * @param {*} srcValue The value to match.
  	     * @returns {Function} Returns the new spec function.
  	     */
  	    function matchesStrictComparable(key, srcValue) {
  	      return function(object) {
  	        if (object == null) {
  	          return false;
  	        }
  	        return object[key] === srcValue &&
  	          (srcValue !== undefined || (key in Object(object)));
  	      };
  	    }
  
  	    /**
  	     * A specialized version of `_.memoize` which clears the memoized function's
  	     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
  	     *
  	     * @private
  	     * @param {Function} func The function to have its output memoized.
  	     * @returns {Function} Returns the new memoized function.
  	     */
  	    function memoizeCapped(func) {
  	      var result = memoize(func, function(key) {
  	        if (cache.size === MAX_MEMOIZE_SIZE) {
  	          cache.clear();
  	        }
  	        return key;
  	      });
  
  	      var cache = result.cache;
  	      return result;
  	    }
  
  	    /**
  	     * Merges the function metadata of `source` into `data`.
  	     *
  	     * Merging metadata reduces the number of wrappers used to invoke a function.
  	     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
  	     * may be applied regardless of execution order. Methods like `_.ary` and
  	     * `_.rearg` modify function arguments, making the order in which they are
  	     * executed important, preventing the merging of metadata. However, we make
  	     * an exception for a safe combined case where curried functions have `_.ary`
  	     * and or `_.rearg` applied.
  	     *
  	     * @private
  	     * @param {Array} data The destination metadata.
  	     * @param {Array} source The source metadata.
  	     * @returns {Array} Returns `data`.
  	     */
  	    function mergeData(data, source) {
  	      var bitmask = data[1],
  	          srcBitmask = source[1],
  	          newBitmask = bitmask | srcBitmask,
  	          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
  
  	      var isCombo =
  	        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
  	        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
  	        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
  
  	      // Exit early if metadata can't be merged.
  	      if (!(isCommon || isCombo)) {
  	        return data;
  	      }
  	      // Use source `thisArg` if available.
  	      if (srcBitmask & WRAP_BIND_FLAG) {
  	        data[2] = source[2];
  	        // Set when currying a bound function.
  	        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
  	      }
  	      // Compose partial arguments.
  	      var value = source[3];
  	      if (value) {
  	        var partials = data[3];
  	        data[3] = partials ? composeArgs(partials, value, source[4]) : value;
  	        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
  	      }
  	      // Compose partial right arguments.
  	      value = source[5];
  	      if (value) {
  	        partials = data[5];
  	        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
  	        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
  	      }
  	      // Use source `argPos` if available.
  	      value = source[7];
  	      if (value) {
  	        data[7] = value;
  	      }
  	      // Use source `ary` if it's smaller.
  	      if (srcBitmask & WRAP_ARY_FLAG) {
  	        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
  	      }
  	      // Use source `arity` if one is not provided.
  	      if (data[9] == null) {
  	        data[9] = source[9];
  	      }
  	      // Use source `func` and merge bitmasks.
  	      data[0] = source[0];
  	      data[1] = newBitmask;
  
  	      return data;
  	    }
  
  	    /**
  	     * This function is like
  	     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
  	     * except that it includes inherited enumerable properties.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of property names.
  	     */
  	    function nativeKeysIn(object) {
  	      var result = [];
  	      if (object != null) {
  	        for (var key in Object(object)) {
  	          result.push(key);
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Converts `value` to a string using `Object.prototype.toString`.
  	     *
  	     * @private
  	     * @param {*} value The value to convert.
  	     * @returns {string} Returns the converted string.
  	     */
  	    function objectToString(value) {
  	      return nativeObjectToString.call(value);
  	    }
  
  	    /**
  	     * A specialized version of `baseRest` which transforms the rest array.
  	     *
  	     * @private
  	     * @param {Function} func The function to apply a rest parameter to.
  	     * @param {number} [start=func.length-1] The start position of the rest parameter.
  	     * @param {Function} transform The rest array transform.
  	     * @returns {Function} Returns the new function.
  	     */
  	    function overRest(func, start, transform) {
  	      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
  	      return function() {
  	        var args = arguments,
  	            index = -1,
  	            length = nativeMax(args.length - start, 0),
  	            array = Array(length);
  
  	        while (++index < length) {
  	          array[index] = args[start + index];
  	        }
  	        index = -1;
  	        var otherArgs = Array(start + 1);
  	        while (++index < start) {
  	          otherArgs[index] = args[index];
  	        }
  	        otherArgs[start] = transform(array);
  	        return apply(func, this, otherArgs);
  	      };
  	    }
  
  	    /**
  	     * Gets the parent value at `path` of `object`.
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @param {Array} path The path to get the parent value of.
  	     * @returns {*} Returns the parent value.
  	     */
  	    function parent(object, path) {
  	      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
  	    }
  
  	    /**
  	     * Reorder `array` according to the specified indexes where the element at
  	     * the first index is assigned as the first element, the element at
  	     * the second index is assigned as the second element, and so on.
  	     *
  	     * @private
  	     * @param {Array} array The array to reorder.
  	     * @param {Array} indexes The arranged array indexes.
  	     * @returns {Array} Returns `array`.
  	     */
  	    function reorder(array, indexes) {
  	      var arrLength = array.length,
  	          length = nativeMin(indexes.length, arrLength),
  	          oldArray = copyArray(array);
  
  	      while (length--) {
  	        var index = indexes[length];
  	        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
  	      }
  	      return array;
  	    }
  
  	    /**
  	     * Gets the value at `key`, unless `key` is "__proto__".
  	     *
  	     * @private
  	     * @param {Object} object The object to query.
  	     * @param {string} key The key of the property to get.
  	     * @returns {*} Returns the property value.
  	     */
  	    function safeGet(object, key) {
  	      if (key == '__proto__') {
  	        return;
  	      }
  
  	      return object[key];
  	    }
  
  	    /**
  	     * Sets metadata for `func`.
  	     *
  	     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
  	     * period of time, it will trip its breaker and transition to an identity
  	     * function to avoid garbage collection pauses in V8. See
  	     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
  	     * for more details.
  	     *
  	     * @private
  	     * @param {Function} func The function to associate metadata with.
  	     * @param {*} data The metadata.
  	     * @returns {Function} Returns `func`.
  	     */
  	    var setData = shortOut(baseSetData);
  
  	    /**
  	     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
  	     *
  	     * @private
  	     * @param {Function} func The function to delay.
  	     * @param {number} wait The number of milliseconds to delay invocation.
  	     * @returns {number|Object} Returns the timer id or timeout object.
  	     */
  	    var setTimeout = ctxSetTimeout || function(func, wait) {
  	      return root.setTimeout(func, wait);
  	    };
  
  	    /**
  	     * Sets the `toString` method of `func` to return `string`.
  	     *
  	     * @private
  	     * @param {Function} func The function to modify.
  	     * @param {Function} string The `toString` result.
  	     * @returns {Function} Returns `func`.
  	     */
  	    var setToString = shortOut(baseSetToString);
  
  	    /**
  	     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
  	     * with wrapper details in a comment at the top of the source body.
  	     *
  	     * @private
  	     * @param {Function} wrapper The function to modify.
  	     * @param {Function} reference The reference function.
  	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
  	     * @returns {Function} Returns `wrapper`.
  	     */
  	    function setWrapToString(wrapper, reference, bitmask) {
  	      var source = (reference + '');
  	      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
  	    }
  
  	    /**
  	     * Creates a function that'll short out and invoke `identity` instead
  	     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
  	     * milliseconds.
  	     *
  	     * @private
  	     * @param {Function} func The function to restrict.
  	     * @returns {Function} Returns the new shortable function.
  	     */
  	    function shortOut(func) {
  	      var count = 0,
  	          lastCalled = 0;
  
  	      return function() {
  	        var stamp = nativeNow(),
  	            remaining = HOT_SPAN - (stamp - lastCalled);
  
  	        lastCalled = stamp;
  	        if (remaining > 0) {
  	          if (++count >= HOT_COUNT) {
  	            return arguments[0];
  	          }
  	        } else {
  	          count = 0;
  	        }
  	        return func.apply(undefined, arguments);
  	      };
  	    }
  
  	    /**
  	     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
  	     *
  	     * @private
  	     * @param {Array} array The array to shuffle.
  	     * @param {number} [size=array.length] The size of `array`.
  	     * @returns {Array} Returns `array`.
  	     */
  	    function shuffleSelf(array, size) {
  	      var index = -1,
  	          length = array.length,
  	          lastIndex = length - 1;
  
  	      size = size === undefined ? length : size;
  	      while (++index < size) {
  	        var rand = baseRandom(index, lastIndex),
  	            value = array[rand];
  
  	        array[rand] = array[index];
  	        array[index] = value;
  	      }
  	      array.length = size;
  	      return array;
  	    }
  
  	    /**
  	     * Converts `string` to a property path array.
  	     *
  	     * @private
  	     * @param {string} string The string to convert.
  	     * @returns {Array} Returns the property path array.
  	     */
  	    var stringToPath = memoizeCapped(function(string) {
  	      var result = [];
  	      if (string.charCodeAt(0) === 46 /* . */) {
  	        result.push('');
  	      }
  	      string.replace(rePropName, function(match, number, quote, subString) {
  	        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
  	      });
  	      return result;
  	    });
  
  	    /**
  	     * Converts `value` to a string key if it's not a string or symbol.
  	     *
  	     * @private
  	     * @param {*} value The value to inspect.
  	     * @returns {string|symbol} Returns the key.
  	     */
  	    function toKey(value) {
  	      if (typeof value == 'string' || isSymbol(value)) {
  	        return value;
  	      }
  	      var result = (value + '');
  	      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
  	    }
  
  	    /**
  	     * Converts `func` to its source code.
  	     *
  	     * @private
  	     * @param {Function} func The function to convert.
  	     * @returns {string} Returns the source code.
  	     */
  	    function toSource(func) {
  	      if (func != null) {
  	        try {
  	          return funcToString.call(func);
  	        } catch (e) {}
  	        try {
  	          return (func + '');
  	        } catch (e) {}
  	      }
  	      return '';
  	    }
  
  	    /**
  	     * Updates wrapper `details` based on `bitmask` flags.
  	     *
  	     * @private
  	     * @returns {Array} details The details to modify.
  	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
  	     * @returns {Array} Returns `details`.
  	     */
  	    function updateWrapDetails(details, bitmask) {
  	      arrayEach(wrapFlags, function(pair) {
  	        var value = '_.' + pair[0];
  	        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
  	          details.push(value);
  	        }
  	      });
  	      return details.sort();
  	    }
  
  	    /**
  	     * Creates a clone of `wrapper`.
  	     *
  	     * @private
  	     * @param {Object} wrapper The wrapper to clone.
  	     * @returns {Object} Returns the cloned wrapper.
  	     */
  	    function wrapperClone(wrapper) {
  	      if (wrapper instanceof LazyWrapper) {
  	        return wrapper.clone();
  	      }
  	      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
  	      result.__actions__ = copyArray(wrapper.__actions__);
  	      result.__index__  = wrapper.__index__;
  	      result.__values__ = wrapper.__values__;
  	      return result;
  	    }
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates an array of elements split into groups the length of `size`.
  	     * If `array` can't be split evenly, the final chunk will be the remaining
  	     * elements.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to process.
  	     * @param {number} [size=1] The length of each chunk
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Array} Returns the new array of chunks.
  	     * @example
  	     *
  	     * _.chunk(['a', 'b', 'c', 'd'], 2);
  	     * // => [['a', 'b'], ['c', 'd']]
  	     *
  	     * _.chunk(['a', 'b', 'c', 'd'], 3);
  	     * // => [['a', 'b', 'c'], ['d']]
  	     */
  	    function chunk(array, size, guard) {
  	      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
  	        size = 1;
  	      } else {
  	        size = nativeMax(toInteger(size), 0);
  	      }
  	      var length = array == null ? 0 : array.length;
  	      if (!length || size < 1) {
  	        return [];
  	      }
  	      var index = 0,
  	          resIndex = 0,
  	          result = Array(nativeCeil(length / size));
  
  	      while (index < length) {
  	        result[resIndex++] = baseSlice(array, index, (index += size));
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Creates an array with all falsey values removed. The values `false`, `null`,
  	     * `0`, `""`, `undefined`, and `NaN` are falsey.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to compact.
  	     * @returns {Array} Returns the new array of filtered values.
  	     * @example
  	     *
  	     * _.compact([0, 1, false, 2, '', 3]);
  	     * // => [1, 2, 3]
  	     */
  	    function compact(array) {
  	      var index = -1,
  	          length = array == null ? 0 : array.length,
  	          resIndex = 0,
  	          result = [];
  
  	      while (++index < length) {
  	        var value = array[index];
  	        if (value) {
  	          result[resIndex++] = value;
  	        }
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Creates a new array concatenating `array` with any additional arrays
  	     * and/or values.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to concatenate.
  	     * @param {...*} [values] The values to concatenate.
  	     * @returns {Array} Returns the new concatenated array.
  	     * @example
  	     *
  	     * var array = [1];
  	     * var other = _.concat(array, 2, [3], [[4]]);
  	     *
  	     * console.log(other);
  	     * // => [1, 2, 3, [4]]
  	     *
  	     * console.log(array);
  	     * // => [1]
  	     */
  	    function concat() {
  	      var length = arguments.length;
  	      if (!length) {
  	        return [];
  	      }
  	      var args = Array(length - 1),
  	          array = arguments[0],
  	          index = length;
  
  	      while (index--) {
  	        args[index - 1] = arguments[index];
  	      }
  	      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
  	    }
  
  	    /**
  	     * Creates an array of `array` values not included in the other given arrays
  	     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * for equality comparisons. The order and references of result values are
  	     * determined by the first array.
  	     *
  	     * **Note:** Unlike `_.pullAll`, this method returns a new array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {...Array} [values] The values to exclude.
  	     * @returns {Array} Returns the new array of filtered values.
  	     * @see _.without, _.xor
  	     * @example
  	     *
  	     * _.difference([2, 1], [2, 3]);
  	     * // => [1]
  	     */
  	    var difference = baseRest(function(array, values) {
  	      return isArrayLikeObject(array)
  	        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
  	        : [];
  	    });
  
  	    /**
  	     * This method is like `_.difference` except that it accepts `iteratee` which
  	     * is invoked for each element of `array` and `values` to generate the criterion
  	     * by which they're compared. The order and references of result values are
  	     * determined by the first array. The iteratee is invoked with one argument:
  	     * (value).
  	     *
  	     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {...Array} [values] The values to exclude.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {Array} Returns the new array of filtered values.
  	     * @example
  	     *
  	     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
  	     * // => [1.2]
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
  	     * // => [{ 'x': 2 }]
  	     */
  	    var differenceBy = baseRest(function(array, values) {
  	      var iteratee = last(values);
  	      if (isArrayLikeObject(iteratee)) {
  	        iteratee = undefined;
  	      }
  	      return isArrayLikeObject(array)
  	        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
  	        : [];
  	    });
  
  	    /**
  	     * This method is like `_.difference` except that it accepts `comparator`
  	     * which is invoked to compare elements of `array` to `values`. The order and
  	     * references of result values are determined by the first array. The comparator
  	     * is invoked with two arguments: (arrVal, othVal).
  	     *
  	     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {...Array} [values] The values to exclude.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns the new array of filtered values.
  	     * @example
  	     *
  	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
  	     *
  	     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
  	     * // => [{ 'x': 2, 'y': 1 }]
  	     */
  	    var differenceWith = baseRest(function(array, values) {
  	      var comparator = last(values);
  	      if (isArrayLikeObject(comparator)) {
  	        comparator = undefined;
  	      }
  	      return isArrayLikeObject(array)
  	        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
  	        : [];
  	    });
  
  	    /**
  	     * Creates a slice of `array` with `n` elements dropped from the beginning.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.5.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @param {number} [n=1] The number of elements to drop.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * _.drop([1, 2, 3]);
  	     * // => [2, 3]
  	     *
  	     * _.drop([1, 2, 3], 2);
  	     * // => [3]
  	     *
  	     * _.drop([1, 2, 3], 5);
  	     * // => []
  	     *
  	     * _.drop([1, 2, 3], 0);
  	     * // => [1, 2, 3]
  	     */
  	    function drop(array, n, guard) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return [];
  	      }
  	      n = (guard || n === undefined) ? 1 : toInteger(n);
  	      return baseSlice(array, n < 0 ? 0 : n, length);
  	    }
  
  	    /**
  	     * Creates a slice of `array` with `n` elements dropped from the end.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @param {number} [n=1] The number of elements to drop.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * _.dropRight([1, 2, 3]);
  	     * // => [1, 2]
  	     *
  	     * _.dropRight([1, 2, 3], 2);
  	     * // => [1]
  	     *
  	     * _.dropRight([1, 2, 3], 5);
  	     * // => []
  	     *
  	     * _.dropRight([1, 2, 3], 0);
  	     * // => [1, 2, 3]
  	     */
  	    function dropRight(array, n, guard) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return [];
  	      }
  	      n = (guard || n === undefined) ? 1 : toInteger(n);
  	      n = length - n;
  	      return baseSlice(array, 0, n < 0 ? 0 : n);
  	    }
  
  	    /**
  	     * Creates a slice of `array` excluding elements dropped from the end.
  	     * Elements are dropped until `predicate` returns falsey. The predicate is
  	     * invoked with three arguments: (value, index, array).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney',  'active': true },
  	     *   { 'user': 'fred',    'active': false },
  	     *   { 'user': 'pebbles', 'active': false }
  	     * ];
  	     *
  	     * _.dropRightWhile(users, function(o) { return !o.active; });
  	     * // => objects for ['barney']
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
  	     * // => objects for ['barney', 'fred']
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.dropRightWhile(users, ['active', false]);
  	     * // => objects for ['barney']
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.dropRightWhile(users, 'active');
  	     * // => objects for ['barney', 'fred', 'pebbles']
  	     */
  	    function dropRightWhile(array, predicate) {
  	      return (array && array.length)
  	        ? baseWhile(array, getIteratee(predicate, 3), true, true)
  	        : [];
  	    }
  
  	    /**
  	     * Creates a slice of `array` excluding elements dropped from the beginning.
  	     * Elements are dropped until `predicate` returns falsey. The predicate is
  	     * invoked with three arguments: (value, index, array).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney',  'active': false },
  	     *   { 'user': 'fred',    'active': false },
  	     *   { 'user': 'pebbles', 'active': true }
  	     * ];
  	     *
  	     * _.dropWhile(users, function(o) { return !o.active; });
  	     * // => objects for ['pebbles']
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.dropWhile(users, { 'user': 'barney', 'active': false });
  	     * // => objects for ['fred', 'pebbles']
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.dropWhile(users, ['active', false]);
  	     * // => objects for ['pebbles']
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.dropWhile(users, 'active');
  	     * // => objects for ['barney', 'fred', 'pebbles']
  	     */
  	    function dropWhile(array, predicate) {
  	      return (array && array.length)
  	        ? baseWhile(array, getIteratee(predicate, 3), true)
  	        : [];
  	    }
  
  	    /**
  	     * Fills elements of `array` with `value` from `start` up to, but not
  	     * including, `end`.
  	     *
  	     * **Note:** This method mutates `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.2.0
  	     * @category Array
  	     * @param {Array} array The array to fill.
  	     * @param {*} value The value to fill `array` with.
  	     * @param {number} [start=0] The start position.
  	     * @param {number} [end=array.length] The end position.
  	     * @returns {Array} Returns `array`.
  	     * @example
  	     *
  	     * var array = [1, 2, 3];
  	     *
  	     * _.fill(array, 'a');
  	     * console.log(array);
  	     * // => ['a', 'a', 'a']
  	     *
  	     * _.fill(Array(3), 2);
  	     * // => [2, 2, 2]
  	     *
  	     * _.fill([4, 6, 8, 10], '*', 1, 3);
  	     * // => [4, '*', '*', 10]
  	     */
  	    function fill(array, value, start, end) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return [];
  	      }
  	      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
  	        start = 0;
  	        end = length;
  	      }
  	      return baseFill(array, value, start, end);
  	    }
  
  	    /**
  	     * This method is like `_.find` except that it returns the index of the first
  	     * element `predicate` returns truthy for instead of the element itself.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 1.1.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @param {number} [fromIndex=0] The index to search from.
  	     * @returns {number} Returns the index of the found element, else `-1`.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney',  'active': false },
  	     *   { 'user': 'fred',    'active': false },
  	     *   { 'user': 'pebbles', 'active': true }
  	     * ];
  	     *
  	     * _.findIndex(users, function(o) { return o.user == 'barney'; });
  	     * // => 0
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.findIndex(users, { 'user': 'fred', 'active': false });
  	     * // => 1
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.findIndex(users, ['active', false]);
  	     * // => 0
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.findIndex(users, 'active');
  	     * // => 2
  	     */
  	    function findIndex(array, predicate, fromIndex) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return -1;
  	      }
  	      var index = fromIndex == null ? 0 : toInteger(fromIndex);
  	      if (index < 0) {
  	        index = nativeMax(length + index, 0);
  	      }
  	      return baseFindIndex(array, getIteratee(predicate, 3), index);
  	    }
  
  	    /**
  	     * This method is like `_.findIndex` except that it iterates over elements
  	     * of `collection` from right to left.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @param {number} [fromIndex=array.length-1] The index to search from.
  	     * @returns {number} Returns the index of the found element, else `-1`.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney',  'active': true },
  	     *   { 'user': 'fred',    'active': false },
  	     *   { 'user': 'pebbles', 'active': false }
  	     * ];
  	     *
  	     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
  	     * // => 2
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
  	     * // => 0
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.findLastIndex(users, ['active', false]);
  	     * // => 2
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.findLastIndex(users, 'active');
  	     * // => 0
  	     */
  	    function findLastIndex(array, predicate, fromIndex) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return -1;
  	      }
  	      var index = length - 1;
  	      if (fromIndex !== undefined) {
  	        index = toInteger(fromIndex);
  	        index = fromIndex < 0
  	          ? nativeMax(length + index, 0)
  	          : nativeMin(index, length - 1);
  	      }
  	      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
  	    }
  
  	    /**
  	     * Flattens `array` a single level deep.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to flatten.
  	     * @returns {Array} Returns the new flattened array.
  	     * @example
  	     *
  	     * _.flatten([1, [2, [3, [4]], 5]]);
  	     * // => [1, 2, [3, [4]], 5]
  	     */
  	    function flatten(array) {
  	      var length = array == null ? 0 : array.length;
  	      return length ? baseFlatten(array, 1) : [];
  	    }
  
  	    /**
  	     * Recursively flattens `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to flatten.
  	     * @returns {Array} Returns the new flattened array.
  	     * @example
  	     *
  	     * _.flattenDeep([1, [2, [3, [4]], 5]]);
  	     * // => [1, 2, 3, 4, 5]
  	     */
  	    function flattenDeep(array) {
  	      var length = array == null ? 0 : array.length;
  	      return length ? baseFlatten(array, INFINITY) : [];
  	    }
  
  	    /**
  	     * Recursively flatten `array` up to `depth` times.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.4.0
  	     * @category Array
  	     * @param {Array} array The array to flatten.
  	     * @param {number} [depth=1] The maximum recursion depth.
  	     * @returns {Array} Returns the new flattened array.
  	     * @example
  	     *
  	     * var array = [1, [2, [3, [4]], 5]];
  	     *
  	     * _.flattenDepth(array, 1);
  	     * // => [1, 2, [3, [4]], 5]
  	     *
  	     * _.flattenDepth(array, 2);
  	     * // => [1, 2, 3, [4], 5]
  	     */
  	    function flattenDepth(array, depth) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return [];
  	      }
  	      depth = depth === undefined ? 1 : toInteger(depth);
  	      return baseFlatten(array, depth);
  	    }
  
  	    /**
  	     * The inverse of `_.toPairs`; this method returns an object composed
  	     * from key-value `pairs`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} pairs The key-value pairs.
  	     * @returns {Object} Returns the new object.
  	     * @example
  	     *
  	     * _.fromPairs([['a', 1], ['b', 2]]);
  	     * // => { 'a': 1, 'b': 2 }
  	     */
  	    function fromPairs(pairs) {
  	      var index = -1,
  	          length = pairs == null ? 0 : pairs.length,
  	          result = {};
  
  	      while (++index < length) {
  	        var pair = pairs[index];
  	        result[pair[0]] = pair[1];
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Gets the first element of `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @alias first
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @returns {*} Returns the first element of `array`.
  	     * @example
  	     *
  	     * _.head([1, 2, 3]);
  	     * // => 1
  	     *
  	     * _.head([]);
  	     * // => undefined
  	     */
  	    function head(array) {
  	      return (array && array.length) ? array[0] : undefined;
  	    }
  
  	    /**
  	     * Gets the index at which the first occurrence of `value` is found in `array`
  	     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * for equality comparisons. If `fromIndex` is negative, it's used as the
  	     * offset from the end of `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {*} value The value to search for.
  	     * @param {number} [fromIndex=0] The index to search from.
  	     * @returns {number} Returns the index of the matched value, else `-1`.
  	     * @example
  	     *
  	     * _.indexOf([1, 2, 1, 2], 2);
  	     * // => 1
  	     *
  	     * // Search from the `fromIndex`.
  	     * _.indexOf([1, 2, 1, 2], 2, 2);
  	     * // => 3
  	     */
  	    function indexOf(array, value, fromIndex) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return -1;
  	      }
  	      var index = fromIndex == null ? 0 : toInteger(fromIndex);
  	      if (index < 0) {
  	        index = nativeMax(length + index, 0);
  	      }
  	      return baseIndexOf(array, value, index);
  	    }
  
  	    /**
  	     * Gets all but the last element of `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * _.initial([1, 2, 3]);
  	     * // => [1, 2]
  	     */
  	    function initial(array) {
  	      var length = array == null ? 0 : array.length;
  	      return length ? baseSlice(array, 0, -1) : [];
  	    }
  
  	    /**
  	     * Creates an array of unique values that are included in all given arrays
  	     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * for equality comparisons. The order and references of result values are
  	     * determined by the first array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to inspect.
  	     * @returns {Array} Returns the new array of intersecting values.
  	     * @example
  	     *
  	     * _.intersection([2, 1], [2, 3]);
  	     * // => [2]
  	     */
  	    var intersection = baseRest(function(arrays) {
  	      var mapped = arrayMap(arrays, castArrayLikeObject);
  	      return (mapped.length && mapped[0] === arrays[0])
  	        ? baseIntersection(mapped)
  	        : [];
  	    });
  
  	    /**
  	     * This method is like `_.intersection` except that it accepts `iteratee`
  	     * which is invoked for each element of each `arrays` to generate the criterion
  	     * by which they're compared. The order and references of result values are
  	     * determined by the first array. The iteratee is invoked with one argument:
  	     * (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to inspect.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {Array} Returns the new array of intersecting values.
  	     * @example
  	     *
  	     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
  	     * // => [2.1]
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
  	     * // => [{ 'x': 1 }]
  	     */
  	    var intersectionBy = baseRest(function(arrays) {
  	      var iteratee = last(arrays),
  	          mapped = arrayMap(arrays, castArrayLikeObject);
  
  	      if (iteratee === last(mapped)) {
  	        iteratee = undefined;
  	      } else {
  	        mapped.pop();
  	      }
  	      return (mapped.length && mapped[0] === arrays[0])
  	        ? baseIntersection(mapped, getIteratee(iteratee, 2))
  	        : [];
  	    });
  
  	    /**
  	     * This method is like `_.intersection` except that it accepts `comparator`
  	     * which is invoked to compare elements of `arrays`. The order and references
  	     * of result values are determined by the first array. The comparator is
  	     * invoked with two arguments: (arrVal, othVal).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to inspect.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns the new array of intersecting values.
  	     * @example
  	     *
  	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
  	     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
  	     *
  	     * _.intersectionWith(objects, others, _.isEqual);
  	     * // => [{ 'x': 1, 'y': 2 }]
  	     */
  	    var intersectionWith = baseRest(function(arrays) {
  	      var comparator = last(arrays),
  	          mapped = arrayMap(arrays, castArrayLikeObject);
  
  	      comparator = typeof comparator == 'function' ? comparator : undefined;
  	      if (comparator) {
  	        mapped.pop();
  	      }
  	      return (mapped.length && mapped[0] === arrays[0])
  	        ? baseIntersection(mapped, undefined, comparator)
  	        : [];
  	    });
  
  	    /**
  	     * Converts all elements in `array` into a string separated by `separator`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to convert.
  	     * @param {string} [separator=','] The element separator.
  	     * @returns {string} Returns the joined string.
  	     * @example
  	     *
  	     * _.join(['a', 'b', 'c'], '~');
  	     * // => 'a~b~c'
  	     */
  	    function join(array, separator) {
  	      return array == null ? '' : nativeJoin.call(array, separator);
  	    }
  
  	    /**
  	     * Gets the last element of `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @returns {*} Returns the last element of `array`.
  	     * @example
  	     *
  	     * _.last([1, 2, 3]);
  	     * // => 3
  	     */
  	    function last(array) {
  	      var length = array == null ? 0 : array.length;
  	      return length ? array[length - 1] : undefined;
  	    }
  
  	    /**
  	     * This method is like `_.indexOf` except that it iterates over elements of
  	     * `array` from right to left.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {*} value The value to search for.
  	     * @param {number} [fromIndex=array.length-1] The index to search from.
  	     * @returns {number} Returns the index of the matched value, else `-1`.
  	     * @example
  	     *
  	     * _.lastIndexOf([1, 2, 1, 2], 2);
  	     * // => 3
  	     *
  	     * // Search from the `fromIndex`.
  	     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
  	     * // => 1
  	     */
  	    function lastIndexOf(array, value, fromIndex) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return -1;
  	      }
  	      var index = length;
  	      if (fromIndex !== undefined) {
  	        index = toInteger(fromIndex);
  	        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
  	      }
  	      return value === value
  	        ? strictLastIndexOf(array, value, index)
  	        : baseFindIndex(array, baseIsNaN, index, true);
  	    }
  
  	    /**
  	     * Gets the element at index `n` of `array`. If `n` is negative, the nth
  	     * element from the end is returned.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.11.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @param {number} [n=0] The index of the element to return.
  	     * @returns {*} Returns the nth element of `array`.
  	     * @example
  	     *
  	     * var array = ['a', 'b', 'c', 'd'];
  	     *
  	     * _.nth(array, 1);
  	     * // => 'b'
  	     *
  	     * _.nth(array, -2);
  	     * // => 'c';
  	     */
  	    function nth(array, n) {
  	      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
  	    }
  
  	    /**
  	     * Removes all given values from `array` using
  	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * for equality comparisons.
  	     *
  	     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
  	     * to remove elements from an array by predicate.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @category Array
  	     * @param {Array} array The array to modify.
  	     * @param {...*} [values] The values to remove.
  	     * @returns {Array} Returns `array`.
  	     * @example
  	     *
  	     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
  	     *
  	     * _.pull(array, 'a', 'c');
  	     * console.log(array);
  	     * // => ['b', 'b']
  	     */
  	    var pull = baseRest(pullAll);
  
  	    /**
  	     * This method is like `_.pull` except that it accepts an array of values to remove.
  	     *
  	     * **Note:** Unlike `_.difference`, this method mutates `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to modify.
  	     * @param {Array} values The values to remove.
  	     * @returns {Array} Returns `array`.
  	     * @example
  	     *
  	     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
  	     *
  	     * _.pullAll(array, ['a', 'c']);
  	     * console.log(array);
  	     * // => ['b', 'b']
  	     */
  	    function pullAll(array, values) {
  	      return (array && array.length && values && values.length)
  	        ? basePullAll(array, values)
  	        : array;
  	    }
  
  	    /**
  	     * This method is like `_.pullAll` except that it accepts `iteratee` which is
  	     * invoked for each element of `array` and `values` to generate the criterion
  	     * by which they're compared. The iteratee is invoked with one argument: (value).
  	     *
  	     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to modify.
  	     * @param {Array} values The values to remove.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {Array} Returns `array`.
  	     * @example
  	     *
  	     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
  	     *
  	     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
  	     * console.log(array);
  	     * // => [{ 'x': 2 }]
  	     */
  	    function pullAllBy(array, values, iteratee) {
  	      return (array && array.length && values && values.length)
  	        ? basePullAll(array, values, getIteratee(iteratee, 2))
  	        : array;
  	    }
  
  	    /**
  	     * This method is like `_.pullAll` except that it accepts `comparator` which
  	     * is invoked to compare elements of `array` to `values`. The comparator is
  	     * invoked with two arguments: (arrVal, othVal).
  	     *
  	     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.6.0
  	     * @category Array
  	     * @param {Array} array The array to modify.
  	     * @param {Array} values The values to remove.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns `array`.
  	     * @example
  	     *
  	     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
  	     *
  	     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
  	     * console.log(array);
  	     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
  	     */
  	    function pullAllWith(array, values, comparator) {
  	      return (array && array.length && values && values.length)
  	        ? basePullAll(array, values, undefined, comparator)
  	        : array;
  	    }
  
  	    /**
  	     * Removes elements from `array` corresponding to `indexes` and returns an
  	     * array of removed elements.
  	     *
  	     * **Note:** Unlike `_.at`, this method mutates `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to modify.
  	     * @param {...(number|number[])} [indexes] The indexes of elements to remove.
  	     * @returns {Array} Returns the new array of removed elements.
  	     * @example
  	     *
  	     * var array = ['a', 'b', 'c', 'd'];
  	     * var pulled = _.pullAt(array, [1, 3]);
  	     *
  	     * console.log(array);
  	     * // => ['a', 'c']
  	     *
  	     * console.log(pulled);
  	     * // => ['b', 'd']
  	     */
  	    var pullAt = flatRest(function(array, indexes) {
  	      var length = array == null ? 0 : array.length,
  	          result = baseAt(array, indexes);
  
  	      basePullAt(array, arrayMap(indexes, function(index) {
  	        return isIndex(index, length) ? +index : index;
  	      }).sort(compareAscending));
  
  	      return result;
  	    });
  
  	    /**
  	     * Removes all elements from `array` that `predicate` returns truthy for
  	     * and returns an array of the removed elements. The predicate is invoked
  	     * with three arguments: (value, index, array).
  	     *
  	     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
  	     * to pull elements from an array by value.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @category Array
  	     * @param {Array} array The array to modify.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the new array of removed elements.
  	     * @example
  	     *
  	     * var array = [1, 2, 3, 4];
  	     * var evens = _.remove(array, function(n) {
  	     *   return n % 2 == 0;
  	     * });
  	     *
  	     * console.log(array);
  	     * // => [1, 3]
  	     *
  	     * console.log(evens);
  	     * // => [2, 4]
  	     */
  	    function remove(array, predicate) {
  	      var result = [];
  	      if (!(array && array.length)) {
  	        return result;
  	      }
  	      var index = -1,
  	          indexes = [],
  	          length = array.length;
  
  	      predicate = getIteratee(predicate, 3);
  	      while (++index < length) {
  	        var value = array[index];
  	        if (predicate(value, index, array)) {
  	          result.push(value);
  	          indexes.push(index);
  	        }
  	      }
  	      basePullAt(array, indexes);
  	      return result;
  	    }
  
  	    /**
  	     * Reverses `array` so that the first element becomes the last, the second
  	     * element becomes the second to last, and so on.
  	     *
  	     * **Note:** This method mutates `array` and is based on
  	     * [`Array#reverse`](https://mdn.io/Array/reverse).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to modify.
  	     * @returns {Array} Returns `array`.
  	     * @example
  	     *
  	     * var array = [1, 2, 3];
  	     *
  	     * _.reverse(array);
  	     * // => [3, 2, 1]
  	     *
  	     * console.log(array);
  	     * // => [3, 2, 1]
  	     */
  	    function reverse(array) {
  	      return array == null ? array : nativeReverse.call(array);
  	    }
  
  	    /**
  	     * Creates a slice of `array` from `start` up to, but not including, `end`.
  	     *
  	     * **Note:** This method is used instead of
  	     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
  	     * returned.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to slice.
  	     * @param {number} [start=0] The start position.
  	     * @param {number} [end=array.length] The end position.
  	     * @returns {Array} Returns the slice of `array`.
  	     */
  	    function slice(array, start, end) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return [];
  	      }
  	      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
  	        start = 0;
  	        end = length;
  	      }
  	      else {
  	        start = start == null ? 0 : toInteger(start);
  	        end = end === undefined ? length : toInteger(end);
  	      }
  	      return baseSlice(array, start, end);
  	    }
  
  	    /**
  	     * Uses a binary search to determine the lowest index at which `value`
  	     * should be inserted into `array` in order to maintain its sort order.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The sorted array to inspect.
  	     * @param {*} value The value to evaluate.
  	     * @returns {number} Returns the index at which `value` should be inserted
  	     *  into `array`.
  	     * @example
  	     *
  	     * _.sortedIndex([30, 50], 40);
  	     * // => 1
  	     */
  	    function sortedIndex(array, value) {
  	      return baseSortedIndex(array, value);
  	    }
  
  	    /**
  	     * This method is like `_.sortedIndex` except that it accepts `iteratee`
  	     * which is invoked for `value` and each element of `array` to compute their
  	     * sort ranking. The iteratee is invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The sorted array to inspect.
  	     * @param {*} value The value to evaluate.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {number} Returns the index at which `value` should be inserted
  	     *  into `array`.
  	     * @example
  	     *
  	     * var objects = [{ 'x': 4 }, { 'x': 5 }];
  	     *
  	     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
  	     * // => 0
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
  	     * // => 0
  	     */
  	    function sortedIndexBy(array, value, iteratee) {
  	      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
  	    }
  
  	    /**
  	     * This method is like `_.indexOf` except that it performs a binary
  	     * search on a sorted `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {*} value The value to search for.
  	     * @returns {number} Returns the index of the matched value, else `-1`.
  	     * @example
  	     *
  	     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
  	     * // => 1
  	     */
  	    function sortedIndexOf(array, value) {
  	      var length = array == null ? 0 : array.length;
  	      if (length) {
  	        var index = baseSortedIndex(array, value);
  	        if (index < length && eq(array[index], value)) {
  	          return index;
  	        }
  	      }
  	      return -1;
  	    }
  
  	    /**
  	     * This method is like `_.sortedIndex` except that it returns the highest
  	     * index at which `value` should be inserted into `array` in order to
  	     * maintain its sort order.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The sorted array to inspect.
  	     * @param {*} value The value to evaluate.
  	     * @returns {number} Returns the index at which `value` should be inserted
  	     *  into `array`.
  	     * @example
  	     *
  	     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
  	     * // => 4
  	     */
  	    function sortedLastIndex(array, value) {
  	      return baseSortedIndex(array, value, true);
  	    }
  
  	    /**
  	     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
  	     * which is invoked for `value` and each element of `array` to compute their
  	     * sort ranking. The iteratee is invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The sorted array to inspect.
  	     * @param {*} value The value to evaluate.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {number} Returns the index at which `value` should be inserted
  	     *  into `array`.
  	     * @example
  	     *
  	     * var objects = [{ 'x': 4 }, { 'x': 5 }];
  	     *
  	     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
  	     * // => 1
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
  	     * // => 1
  	     */
  	    function sortedLastIndexBy(array, value, iteratee) {
  	      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
  	    }
  
  	    /**
  	     * This method is like `_.lastIndexOf` except that it performs a binary
  	     * search on a sorted `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {*} value The value to search for.
  	     * @returns {number} Returns the index of the matched value, else `-1`.
  	     * @example
  	     *
  	     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
  	     * // => 3
  	     */
  	    function sortedLastIndexOf(array, value) {
  	      var length = array == null ? 0 : array.length;
  	      if (length) {
  	        var index = baseSortedIndex(array, value, true) - 1;
  	        if (eq(array[index], value)) {
  	          return index;
  	        }
  	      }
  	      return -1;
  	    }
  
  	    /**
  	     * This method is like `_.uniq` except that it's designed and optimized
  	     * for sorted arrays.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @returns {Array} Returns the new duplicate free array.
  	     * @example
  	     *
  	     * _.sortedUniq([1, 1, 2]);
  	     * // => [1, 2]
  	     */
  	    function sortedUniq(array) {
  	      return (array && array.length)
  	        ? baseSortedUniq(array)
  	        : [];
  	    }
  
  	    /**
  	     * This method is like `_.uniqBy` except that it's designed and optimized
  	     * for sorted arrays.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {Function} [iteratee] The iteratee invoked per element.
  	     * @returns {Array} Returns the new duplicate free array.
  	     * @example
  	     *
  	     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
  	     * // => [1.1, 2.3]
  	     */
  	    function sortedUniqBy(array, iteratee) {
  	      return (array && array.length)
  	        ? baseSortedUniq(array, getIteratee(iteratee, 2))
  	        : [];
  	    }
  
  	    /**
  	     * Gets all but the first element of `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * _.tail([1, 2, 3]);
  	     * // => [2, 3]
  	     */
  	    function tail(array) {
  	      var length = array == null ? 0 : array.length;
  	      return length ? baseSlice(array, 1, length) : [];
  	    }
  
  	    /**
  	     * Creates a slice of `array` with `n` elements taken from the beginning.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @param {number} [n=1] The number of elements to take.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * _.take([1, 2, 3]);
  	     * // => [1]
  	     *
  	     * _.take([1, 2, 3], 2);
  	     * // => [1, 2]
  	     *
  	     * _.take([1, 2, 3], 5);
  	     * // => [1, 2, 3]
  	     *
  	     * _.take([1, 2, 3], 0);
  	     * // => []
  	     */
  	    function take(array, n, guard) {
  	      if (!(array && array.length)) {
  	        return [];
  	      }
  	      n = (guard || n === undefined) ? 1 : toInteger(n);
  	      return baseSlice(array, 0, n < 0 ? 0 : n);
  	    }
  
  	    /**
  	     * Creates a slice of `array` with `n` elements taken from the end.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @param {number} [n=1] The number of elements to take.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * _.takeRight([1, 2, 3]);
  	     * // => [3]
  	     *
  	     * _.takeRight([1, 2, 3], 2);
  	     * // => [2, 3]
  	     *
  	     * _.takeRight([1, 2, 3], 5);
  	     * // => [1, 2, 3]
  	     *
  	     * _.takeRight([1, 2, 3], 0);
  	     * // => []
  	     */
  	    function takeRight(array, n, guard) {
  	      var length = array == null ? 0 : array.length;
  	      if (!length) {
  	        return [];
  	      }
  	      n = (guard || n === undefined) ? 1 : toInteger(n);
  	      n = length - n;
  	      return baseSlice(array, n < 0 ? 0 : n, length);
  	    }
  
  	    /**
  	     * Creates a slice of `array` with elements taken from the end. Elements are
  	     * taken until `predicate` returns falsey. The predicate is invoked with
  	     * three arguments: (value, index, array).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney',  'active': true },
  	     *   { 'user': 'fred',    'active': false },
  	     *   { 'user': 'pebbles', 'active': false }
  	     * ];
  	     *
  	     * _.takeRightWhile(users, function(o) { return !o.active; });
  	     * // => objects for ['fred', 'pebbles']
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
  	     * // => objects for ['pebbles']
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.takeRightWhile(users, ['active', false]);
  	     * // => objects for ['fred', 'pebbles']
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.takeRightWhile(users, 'active');
  	     * // => []
  	     */
  	    function takeRightWhile(array, predicate) {
  	      return (array && array.length)
  	        ? baseWhile(array, getIteratee(predicate, 3), false, true)
  	        : [];
  	    }
  
  	    /**
  	     * Creates a slice of `array` with elements taken from the beginning. Elements
  	     * are taken until `predicate` returns falsey. The predicate is invoked with
  	     * three arguments: (value, index, array).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Array
  	     * @param {Array} array The array to query.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the slice of `array`.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney',  'active': false },
  	     *   { 'user': 'fred',    'active': false },
  	     *   { 'user': 'pebbles', 'active': true }
  	     * ];
  	     *
  	     * _.takeWhile(users, function(o) { return !o.active; });
  	     * // => objects for ['barney', 'fred']
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.takeWhile(users, { 'user': 'barney', 'active': false });
  	     * // => objects for ['barney']
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.takeWhile(users, ['active', false]);
  	     * // => objects for ['barney', 'fred']
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.takeWhile(users, 'active');
  	     * // => []
  	     */
  	    function takeWhile(array, predicate) {
  	      return (array && array.length)
  	        ? baseWhile(array, getIteratee(predicate, 3))
  	        : [];
  	    }
  
  	    /**
  	     * Creates an array of unique values, in order, from all given arrays using
  	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * for equality comparisons.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to inspect.
  	     * @returns {Array} Returns the new array of combined values.
  	     * @example
  	     *
  	     * _.union([2], [1, 2]);
  	     * // => [2, 1]
  	     */
  	    var union = baseRest(function(arrays) {
  	      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
  	    });
  
  	    /**
  	     * This method is like `_.union` except that it accepts `iteratee` which is
  	     * invoked for each element of each `arrays` to generate the criterion by
  	     * which uniqueness is computed. Result values are chosen from the first
  	     * array in which the value occurs. The iteratee is invoked with one argument:
  	     * (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to inspect.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {Array} Returns the new array of combined values.
  	     * @example
  	     *
  	     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
  	     * // => [2.1, 1.2]
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
  	     * // => [{ 'x': 1 }, { 'x': 2 }]
  	     */
  	    var unionBy = baseRest(function(arrays) {
  	      var iteratee = last(arrays);
  	      if (isArrayLikeObject(iteratee)) {
  	        iteratee = undefined;
  	      }
  	      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
  	    });
  
  	    /**
  	     * This method is like `_.union` except that it accepts `comparator` which
  	     * is invoked to compare elements of `arrays`. Result values are chosen from
  	     * the first array in which the value occurs. The comparator is invoked
  	     * with two arguments: (arrVal, othVal).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to inspect.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns the new array of combined values.
  	     * @example
  	     *
  	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
  	     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
  	     *
  	     * _.unionWith(objects, others, _.isEqual);
  	     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
  	     */
  	    var unionWith = baseRest(function(arrays) {
  	      var comparator = last(arrays);
  	      comparator = typeof comparator == 'function' ? comparator : undefined;
  	      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
  	    });
  
  	    /**
  	     * Creates a duplicate-free version of an array, using
  	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * for equality comparisons, in which only the first occurrence of each element
  	     * is kept. The order of result values is determined by the order they occur
  	     * in the array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @returns {Array} Returns the new duplicate free array.
  	     * @example
  	     *
  	     * _.uniq([2, 1, 2]);
  	     * // => [2, 1]
  	     */
  	    function uniq(array) {
  	      return (array && array.length) ? baseUniq(array) : [];
  	    }
  
  	    /**
  	     * This method is like `_.uniq` except that it accepts `iteratee` which is
  	     * invoked for each element in `array` to generate the criterion by which
  	     * uniqueness is computed. The order of result values is determined by the
  	     * order they occur in the array. The iteratee is invoked with one argument:
  	     * (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {Array} Returns the new duplicate free array.
  	     * @example
  	     *
  	     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
  	     * // => [2.1, 1.2]
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
  	     * // => [{ 'x': 1 }, { 'x': 2 }]
  	     */
  	    function uniqBy(array, iteratee) {
  	      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
  	    }
  
  	    /**
  	     * This method is like `_.uniq` except that it accepts `comparator` which
  	     * is invoked to compare elements of `array`. The order of result values is
  	     * determined by the order they occur in the array.The comparator is invoked
  	     * with two arguments: (arrVal, othVal).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns the new duplicate free array.
  	     * @example
  	     *
  	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
  	     *
  	     * _.uniqWith(objects, _.isEqual);
  	     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
  	     */
  	    function uniqWith(array, comparator) {
  	      comparator = typeof comparator == 'function' ? comparator : undefined;
  	      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
  	    }
  
  	    /**
  	     * This method is like `_.zip` except that it accepts an array of grouped
  	     * elements and creates an array regrouping the elements to their pre-zip
  	     * configuration.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 1.2.0
  	     * @category Array
  	     * @param {Array} array The array of grouped elements to process.
  	     * @returns {Array} Returns the new array of regrouped elements.
  	     * @example
  	     *
  	     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
  	     * // => [['a', 1, true], ['b', 2, false]]
  	     *
  	     * _.unzip(zipped);
  	     * // => [['a', 'b'], [1, 2], [true, false]]
  	     */
  	    function unzip(array) {
  	      if (!(array && array.length)) {
  	        return [];
  	      }
  	      var length = 0;
  	      array = arrayFilter(array, function(group) {
  	        if (isArrayLikeObject(group)) {
  	          length = nativeMax(group.length, length);
  	          return true;
  	        }
  	      });
  	      return baseTimes(length, function(index) {
  	        return arrayMap(array, baseProperty(index));
  	      });
  	    }
  
  	    /**
  	     * This method is like `_.unzip` except that it accepts `iteratee` to specify
  	     * how regrouped values should be combined. The iteratee is invoked with the
  	     * elements of each group: (...group).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.8.0
  	     * @category Array
  	     * @param {Array} array The array of grouped elements to process.
  	     * @param {Function} [iteratee=_.identity] The function to combine
  	     *  regrouped values.
  	     * @returns {Array} Returns the new array of regrouped elements.
  	     * @example
  	     *
  	     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
  	     * // => [[1, 10, 100], [2, 20, 200]]
  	     *
  	     * _.unzipWith(zipped, _.add);
  	     * // => [3, 30, 300]
  	     */
  	    function unzipWith(array, iteratee) {
  	      if (!(array && array.length)) {
  	        return [];
  	      }
  	      var result = unzip(array);
  	      if (iteratee == null) {
  	        return result;
  	      }
  	      return arrayMap(result, function(group) {
  	        return apply(iteratee, undefined, group);
  	      });
  	    }
  
  	    /**
  	     * Creates an array excluding all given values using
  	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * for equality comparisons.
  	     *
  	     * **Note:** Unlike `_.pull`, this method returns a new array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {Array} array The array to inspect.
  	     * @param {...*} [values] The values to exclude.
  	     * @returns {Array} Returns the new array of filtered values.
  	     * @see _.difference, _.xor
  	     * @example
  	     *
  	     * _.without([2, 1, 2, 3], 1, 2);
  	     * // => [3]
  	     */
  	    var without = baseRest(function(array, values) {
  	      return isArrayLikeObject(array)
  	        ? baseDifference(array, values)
  	        : [];
  	    });
  
  	    /**
  	     * Creates an array of unique values that is the
  	     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
  	     * of the given arrays. The order of result values is determined by the order
  	     * they occur in the arrays.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.4.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to inspect.
  	     * @returns {Array} Returns the new array of filtered values.
  	     * @see _.difference, _.without
  	     * @example
  	     *
  	     * _.xor([2, 1], [2, 3]);
  	     * // => [1, 3]
  	     */
  	    var xor = baseRest(function(arrays) {
  	      return baseXor(arrayFilter(arrays, isArrayLikeObject));
  	    });
  
  	    /**
  	     * This method is like `_.xor` except that it accepts `iteratee` which is
  	     * invoked for each element of each `arrays` to generate the criterion by
  	     * which by which they're compared. The order of result values is determined
  	     * by the order they occur in the arrays. The iteratee is invoked with one
  	     * argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to inspect.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {Array} Returns the new array of filtered values.
  	     * @example
  	     *
  	     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
  	     * // => [1.2, 3.4]
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
  	     * // => [{ 'x': 2 }]
  	     */
  	    var xorBy = baseRest(function(arrays) {
  	      var iteratee = last(arrays);
  	      if (isArrayLikeObject(iteratee)) {
  	        iteratee = undefined;
  	      }
  	      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
  	    });
  
  	    /**
  	     * This method is like `_.xor` except that it accepts `comparator` which is
  	     * invoked to compare elements of `arrays`. The order of result values is
  	     * determined by the order they occur in the arrays. The comparator is invoked
  	     * with two arguments: (arrVal, othVal).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to inspect.
  	     * @param {Function} [comparator] The comparator invoked per element.
  	     * @returns {Array} Returns the new array of filtered values.
  	     * @example
  	     *
  	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
  	     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
  	     *
  	     * _.xorWith(objects, others, _.isEqual);
  	     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
  	     */
  	    var xorWith = baseRest(function(arrays) {
  	      var comparator = last(arrays);
  	      comparator = typeof comparator == 'function' ? comparator : undefined;
  	      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
  	    });
  
  	    /**
  	     * Creates an array of grouped elements, the first of which contains the
  	     * first elements of the given arrays, the second of which contains the
  	     * second elements of the given arrays, and so on.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to process.
  	     * @returns {Array} Returns the new array of grouped elements.
  	     * @example
  	     *
  	     * _.zip(['a', 'b'], [1, 2], [true, false]);
  	     * // => [['a', 1, true], ['b', 2, false]]
  	     */
  	    var zip = baseRest(unzip);
  
  	    /**
  	     * This method is like `_.fromPairs` except that it accepts two arrays,
  	     * one of property identifiers and one of corresponding values.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.4.0
  	     * @category Array
  	     * @param {Array} [props=[]] The property identifiers.
  	     * @param {Array} [values=[]] The property values.
  	     * @returns {Object} Returns the new object.
  	     * @example
  	     *
  	     * _.zipObject(['a', 'b'], [1, 2]);
  	     * // => { 'a': 1, 'b': 2 }
  	     */
  	    function zipObject(props, values) {
  	      return baseZipObject(props || [], values || [], assignValue);
  	    }
  
  	    /**
  	     * This method is like `_.zipObject` except that it supports property paths.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.1.0
  	     * @category Array
  	     * @param {Array} [props=[]] The property identifiers.
  	     * @param {Array} [values=[]] The property values.
  	     * @returns {Object} Returns the new object.
  	     * @example
  	     *
  	     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
  	     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
  	     */
  	    function zipObjectDeep(props, values) {
  	      return baseZipObject(props || [], values || [], baseSet);
  	    }
  
  	    /**
  	     * This method is like `_.zip` except that it accepts `iteratee` to specify
  	     * how grouped values should be combined. The iteratee is invoked with the
  	     * elements of each group: (...group).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.8.0
  	     * @category Array
  	     * @param {...Array} [arrays] The arrays to process.
  	     * @param {Function} [iteratee=_.identity] The function to combine
  	     *  grouped values.
  	     * @returns {Array} Returns the new array of grouped elements.
  	     * @example
  	     *
  	     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
  	     *   return a + b + c;
  	     * });
  	     * // => [111, 222]
  	     */
  	    var zipWith = baseRest(function(arrays) {
  	      var length = arrays.length,
  	          iteratee = length > 1 ? arrays[length - 1] : undefined;
  
  	      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
  	      return unzipWith(arrays, iteratee);
  	    });
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates a `lodash` wrapper instance that wraps `value` with explicit method
  	     * chain sequences enabled. The result of such sequences must be unwrapped
  	     * with `_#value`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 1.3.0
  	     * @category Seq
  	     * @param {*} value The value to wrap.
  	     * @returns {Object} Returns the new `lodash` wrapper instance.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney',  'age': 36 },
  	     *   { 'user': 'fred',    'age': 40 },
  	     *   { 'user': 'pebbles', 'age': 1 }
  	     * ];
  	     *
  	     * var youngest = _
  	     *   .chain(users)
  	     *   .sortBy('age')
  	     *   .map(function(o) {
  	     *     return o.user + ' is ' + o.age;
  	     *   })
  	     *   .head()
  	     *   .value();
  	     * // => 'pebbles is 1'
  	     */
  	    function chain(value) {
  	      var result = lodash(value);
  	      result.__chain__ = true;
  	      return result;
  	    }
  
  	    /**
  	     * This method invokes `interceptor` and returns `value`. The interceptor
  	     * is invoked with one argument; (value). The purpose of this method is to
  	     * "tap into" a method chain sequence in order to modify intermediate results.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Seq
  	     * @param {*} value The value to provide to `interceptor`.
  	     * @param {Function} interceptor The function to invoke.
  	     * @returns {*} Returns `value`.
  	     * @example
  	     *
  	     * _([1, 2, 3])
  	     *  .tap(function(array) {
  	     *    // Mutate input array.
  	     *    array.pop();
  	     *  })
  	     *  .reverse()
  	     *  .value();
  	     * // => [2, 1]
  	     */
  	    function tap(value, interceptor) {
  	      interceptor(value);
  	      return value;
  	    }
  
  	    /**
  	     * This method is like `_.tap` except that it returns the result of `interceptor`.
  	     * The purpose of this method is to "pass thru" values replacing intermediate
  	     * results in a method chain sequence.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Seq
  	     * @param {*} value The value to provide to `interceptor`.
  	     * @param {Function} interceptor The function to invoke.
  	     * @returns {*} Returns the result of `interceptor`.
  	     * @example
  	     *
  	     * _('  abc  ')
  	     *  .chain()
  	     *  .trim()
  	     *  .thru(function(value) {
  	     *    return [value];
  	     *  })
  	     *  .value();
  	     * // => ['abc']
  	     */
  	    function thru(value, interceptor) {
  	      return interceptor(value);
  	    }
  
  	    /**
  	     * This method is the wrapper version of `_.at`.
  	     *
  	     * @name at
  	     * @memberOf _
  	     * @since 1.0.0
  	     * @category Seq
  	     * @param {...(string|string[])} [paths] The property paths to pick.
  	     * @returns {Object} Returns the new `lodash` wrapper instance.
  	     * @example
  	     *
  	     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
  	     *
  	     * _(object).at(['a[0].b.c', 'a[1]']).value();
  	     * // => [3, 4]
  	     */
  	    var wrapperAt = flatRest(function(paths) {
  	      var length = paths.length,
  	          start = length ? paths[0] : 0,
  	          value = this.__wrapped__,
  	          interceptor = function(object) { return baseAt(object, paths); };
  
  	      if (length > 1 || this.__actions__.length ||
  	          !(value instanceof LazyWrapper) || !isIndex(start)) {
  	        return this.thru(interceptor);
  	      }
  	      value = value.slice(start, +start + (length ? 1 : 0));
  	      value.__actions__.push({
  	        'func': thru,
  	        'args': [interceptor],
  	        'thisArg': undefined
  	      });
  	      return new LodashWrapper(value, this.__chain__).thru(function(array) {
  	        if (length && !array.length) {
  	          array.push(undefined);
  	        }
  	        return array;
  	      });
  	    });
  
  	    /**
  	     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
  	     *
  	     * @name chain
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Seq
  	     * @returns {Object} Returns the new `lodash` wrapper instance.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney', 'age': 36 },
  	     *   { 'user': 'fred',   'age': 40 }
  	     * ];
  	     *
  	     * // A sequence without explicit chaining.
  	     * _(users).head();
  	     * // => { 'user': 'barney', 'age': 36 }
  	     *
  	     * // A sequence with explicit chaining.
  	     * _(users)
  	     *   .chain()
  	     *   .head()
  	     *   .pick('user')
  	     *   .value();
  	     * // => { 'user': 'barney' }
  	     */
  	    function wrapperChain() {
  	      return chain(this);
  	    }
  
  	    /**
  	     * Executes the chain sequence and returns the wrapped result.
  	     *
  	     * @name commit
  	     * @memberOf _
  	     * @since 3.2.0
  	     * @category Seq
  	     * @returns {Object} Returns the new `lodash` wrapper instance.
  	     * @example
  	     *
  	     * var array = [1, 2];
  	     * var wrapped = _(array).push(3);
  	     *
  	     * console.log(array);
  	     * // => [1, 2]
  	     *
  	     * wrapped = wrapped.commit();
  	     * console.log(array);
  	     * // => [1, 2, 3]
  	     *
  	     * wrapped.last();
  	     * // => 3
  	     *
  	     * console.log(array);
  	     * // => [1, 2, 3]
  	     */
  	    function wrapperCommit() {
  	      return new LodashWrapper(this.value(), this.__chain__);
  	    }
  
  	    /**
  	     * Gets the next value on a wrapped object following the
  	     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
  	     *
  	     * @name next
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Seq
  	     * @returns {Object} Returns the next iterator value.
  	     * @example
  	     *
  	     * var wrapped = _([1, 2]);
  	     *
  	     * wrapped.next();
  	     * // => { 'done': false, 'value': 1 }
  	     *
  	     * wrapped.next();
  	     * // => { 'done': false, 'value': 2 }
  	     *
  	     * wrapped.next();
  	     * // => { 'done': true, 'value': undefined }
  	     */
  	    function wrapperNext() {
  	      if (this.__values__ === undefined) {
  	        this.__values__ = toArray(this.value());
  	      }
  	      var done = this.__index__ >= this.__values__.length,
  	          value = done ? undefined : this.__values__[this.__index__++];
  
  	      return { 'done': done, 'value': value };
  	    }
  
  	    /**
  	     * Enables the wrapper to be iterable.
  	     *
  	     * @name Symbol.iterator
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Seq
  	     * @returns {Object} Returns the wrapper object.
  	     * @example
  	     *
  	     * var wrapped = _([1, 2]);
  	     *
  	     * wrapped[Symbol.iterator]() === wrapped;
  	     * // => true
  	     *
  	     * Array.from(wrapped);
  	     * // => [1, 2]
  	     */
  	    function wrapperToIterator() {
  	      return this;
  	    }
  
  	    /**
  	     * Creates a clone of the chain sequence planting `value` as the wrapped value.
  	     *
  	     * @name plant
  	     * @memberOf _
  	     * @since 3.2.0
  	     * @category Seq
  	     * @param {*} value The value to plant.
  	     * @returns {Object} Returns the new `lodash` wrapper instance.
  	     * @example
  	     *
  	     * function square(n) {
  	     *   return n * n;
  	     * }
  	     *
  	     * var wrapped = _([1, 2]).map(square);
  	     * var other = wrapped.plant([3, 4]);
  	     *
  	     * other.value();
  	     * // => [9, 16]
  	     *
  	     * wrapped.value();
  	     * // => [1, 4]
  	     */
  	    function wrapperPlant(value) {
  	      var result,
  	          parent = this;
  
  	      while (parent instanceof baseLodash) {
  	        var clone = wrapperClone(parent);
  	        clone.__index__ = 0;
  	        clone.__values__ = undefined;
  	        if (result) {
  	          previous.__wrapped__ = clone;
  	        } else {
  	          result = clone;
  	        }
  	        var previous = clone;
  	        parent = parent.__wrapped__;
  	      }
  	      previous.__wrapped__ = value;
  	      return result;
  	    }
  
  	    /**
  	     * This method is the wrapper version of `_.reverse`.
  	     *
  	     * **Note:** This method mutates the wrapped array.
  	     *
  	     * @name reverse
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Seq
  	     * @returns {Object} Returns the new `lodash` wrapper instance.
  	     * @example
  	     *
  	     * var array = [1, 2, 3];
  	     *
  	     * _(array).reverse().value()
  	     * // => [3, 2, 1]
  	     *
  	     * console.log(array);
  	     * // => [3, 2, 1]
  	     */
  	    function wrapperReverse() {
  	      var value = this.__wrapped__;
  	      if (value instanceof LazyWrapper) {
  	        var wrapped = value;
  	        if (this.__actions__.length) {
  	          wrapped = new LazyWrapper(this);
  	        }
  	        wrapped = wrapped.reverse();
  	        wrapped.__actions__.push({
  	          'func': thru,
  	          'args': [reverse],
  	          'thisArg': undefined
  	        });
  	        return new LodashWrapper(wrapped, this.__chain__);
  	      }
  	      return this.thru(reverse);
  	    }
  
  	    /**
  	     * Executes the chain sequence to resolve the unwrapped value.
  	     *
  	     * @name value
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @alias toJSON, valueOf
  	     * @category Seq
  	     * @returns {*} Returns the resolved unwrapped value.
  	     * @example
  	     *
  	     * _([1, 2, 3]).value();
  	     * // => [1, 2, 3]
  	     */
  	    function wrapperValue() {
  	      return baseWrapperValue(this.__wrapped__, this.__actions__);
  	    }
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Creates an object composed of keys generated from the results of running
  	     * each element of `collection` thru `iteratee`. The corresponding value of
  	     * each key is the number of times the key was returned by `iteratee`. The
  	     * iteratee is invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.5.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
  	     * @returns {Object} Returns the composed aggregate object.
  	     * @example
  	     *
  	     * _.countBy([6.1, 4.2, 6.3], Math.floor);
  	     * // => { '4': 1, '6': 2 }
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.countBy(['one', 'two', 'three'], 'length');
  	     * // => { '3': 2, '5': 1 }
  	     */
  	    var countBy = createAggregator(function(result, value, key) {
  	      if (hasOwnProperty.call(result, key)) {
  	        ++result[key];
  	      } else {
  	        baseAssignValue(result, key, 1);
  	      }
  	    });
  
  	    /**
  	     * Checks if `predicate` returns truthy for **all** elements of `collection`.
  	     * Iteration is stopped once `predicate` returns falsey. The predicate is
  	     * invoked with three arguments: (value, index|key, collection).
  	     *
  	     * **Note:** This method returns `true` for
  	     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
  	     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
  	     * elements of empty collections.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {boolean} Returns `true` if all elements pass the predicate check,
  	     *  else `false`.
  	     * @example
  	     *
  	     * _.every([true, 1, null, 'yes'], Boolean);
  	     * // => false
  	     *
  	     * var users = [
  	     *   { 'user': 'barney', 'age': 36, 'active': false },
  	     *   { 'user': 'fred',   'age': 40, 'active': false }
  	     * ];
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.every(users, { 'user': 'barney', 'active': false });
  	     * // => false
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.every(users, ['active', false]);
  	     * // => true
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.every(users, 'active');
  	     * // => false
  	     */
  	    function every(collection, predicate, guard) {
  	      var func = isArray(collection) ? arrayEvery : baseEvery;
  	      if (guard && isIterateeCall(collection, predicate, guard)) {
  	        predicate = undefined;
  	      }
  	      return func(collection, getIteratee(predicate, 3));
  	    }
  
  	    /**
  	     * Iterates over elements of `collection`, returning an array of all elements
  	     * `predicate` returns truthy for. The predicate is invoked with three
  	     * arguments: (value, index|key, collection).
  	     *
  	     * **Note:** Unlike `_.remove`, this method returns a new array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the new filtered array.
  	     * @see _.reject
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney', 'age': 36, 'active': true },
  	     *   { 'user': 'fred',   'age': 40, 'active': false }
  	     * ];
  	     *
  	     * _.filter(users, function(o) { return !o.active; });
  	     * // => objects for ['fred']
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.filter(users, { 'age': 36, 'active': true });
  	     * // => objects for ['barney']
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.filter(users, ['active', false]);
  	     * // => objects for ['fred']
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.filter(users, 'active');
  	     * // => objects for ['barney']
  	     */
  	    function filter(collection, predicate) {
  	      var func = isArray(collection) ? arrayFilter : baseFilter;
  	      return func(collection, getIteratee(predicate, 3));
  	    }
  
  	    /**
  	     * Iterates over elements of `collection`, returning the first element
  	     * `predicate` returns truthy for. The predicate is invoked with three
  	     * arguments: (value, index|key, collection).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to inspect.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @param {number} [fromIndex=0] The index to search from.
  	     * @returns {*} Returns the matched element, else `undefined`.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney',  'age': 36, 'active': true },
  	     *   { 'user': 'fred',    'age': 40, 'active': false },
  	     *   { 'user': 'pebbles', 'age': 1,  'active': true }
  	     * ];
  	     *
  	     * _.find(users, function(o) { return o.age < 40; });
  	     * // => object for 'barney'
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.find(users, { 'age': 1, 'active': true });
  	     * // => object for 'pebbles'
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.find(users, ['active', false]);
  	     * // => object for 'fred'
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.find(users, 'active');
  	     * // => object for 'barney'
  	     */
  	    var find = createFind(findIndex);
  
  	    /**
  	     * This method is like `_.find` except that it iterates over elements of
  	     * `collection` from right to left.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to inspect.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @param {number} [fromIndex=collection.length-1] The index to search from.
  	     * @returns {*} Returns the matched element, else `undefined`.
  	     * @example
  	     *
  	     * _.findLast([1, 2, 3, 4], function(n) {
  	     *   return n % 2 == 1;
  	     * });
  	     * // => 3
  	     */
  	    var findLast = createFind(findLastIndex);
  
  	    /**
  	     * Creates a flattened array of values by running each element in `collection`
  	     * thru `iteratee` and flattening the mapped results. The iteratee is invoked
  	     * with three arguments: (value, index|key, collection).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the new flattened array.
  	     * @example
  	     *
  	     * function duplicate(n) {
  	     *   return [n, n];
  	     * }
  	     *
  	     * _.flatMap([1, 2], duplicate);
  	     * // => [1, 1, 2, 2]
  	     */
  	    function flatMap(collection, iteratee) {
  	      return baseFlatten(map(collection, iteratee), 1);
  	    }
  
  	    /**
  	     * This method is like `_.flatMap` except that it recursively flattens the
  	     * mapped results.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.7.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the new flattened array.
  	     * @example
  	     *
  	     * function duplicate(n) {
  	     *   return [[[n, n]]];
  	     * }
  	     *
  	     * _.flatMapDeep([1, 2], duplicate);
  	     * // => [1, 1, 2, 2]
  	     */
  	    function flatMapDeep(collection, iteratee) {
  	      return baseFlatten(map(collection, iteratee), INFINITY);
  	    }
  
  	    /**
  	     * This method is like `_.flatMap` except that it recursively flattens the
  	     * mapped results up to `depth` times.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.7.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @param {number} [depth=1] The maximum recursion depth.
  	     * @returns {Array} Returns the new flattened array.
  	     * @example
  	     *
  	     * function duplicate(n) {
  	     *   return [[[n, n]]];
  	     * }
  	     *
  	     * _.flatMapDepth([1, 2], duplicate, 2);
  	     * // => [[1, 1], [2, 2]]
  	     */
  	    function flatMapDepth(collection, iteratee, depth) {
  	      depth = depth === undefined ? 1 : toInteger(depth);
  	      return baseFlatten(map(collection, iteratee), depth);
  	    }
  
  	    /**
  	     * Iterates over elements of `collection` and invokes `iteratee` for each element.
  	     * The iteratee is invoked with three arguments: (value, index|key, collection).
  	     * Iteratee functions may exit iteration early by explicitly returning `false`.
  	     *
  	     * **Note:** As with other "Collections" methods, objects with a "length"
  	     * property are iterated like arrays. To avoid this behavior use `_.forIn`
  	     * or `_.forOwn` for object iteration.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @alias each
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Array|Object} Returns `collection`.
  	     * @see _.forEachRight
  	     * @example
  	     *
  	     * _.forEach([1, 2], function(value) {
  	     *   console.log(value);
  	     * });
  	     * // => Logs `1` then `2`.
  	     *
  	     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
  	     *   console.log(key);
  	     * });
  	     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
  	     */
  	    function forEach(collection, iteratee) {
  	      var func = isArray(collection) ? arrayEach : baseEach;
  	      return func(collection, getIteratee(iteratee, 3));
  	    }
  
  	    /**
  	     * This method is like `_.forEach` except that it iterates over elements of
  	     * `collection` from right to left.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @alias eachRight
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Array|Object} Returns `collection`.
  	     * @see _.forEach
  	     * @example
  	     *
  	     * _.forEachRight([1, 2], function(value) {
  	     *   console.log(value);
  	     * });
  	     * // => Logs `2` then `1`.
  	     */
  	    function forEachRight(collection, iteratee) {
  	      var func = isArray(collection) ? arrayEachRight : baseEachRight;
  	      return func(collection, getIteratee(iteratee, 3));
  	    }
  
  	    /**
  	     * Creates an object composed of keys generated from the results of running
  	     * each element of `collection` thru `iteratee`. The order of grouped values
  	     * is determined by the order they occur in `collection`. The corresponding
  	     * value of each key is an array of elements responsible for generating the
  	     * key. The iteratee is invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
  	     * @returns {Object} Returns the composed aggregate object.
  	     * @example
  	     *
  	     * _.groupBy([6.1, 4.2, 6.3], Math.floor);
  	     * // => { '4': [4.2], '6': [6.1, 6.3] }
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.groupBy(['one', 'two', 'three'], 'length');
  	     * // => { '3': ['one', 'two'], '5': ['three'] }
  	     */
  	    var groupBy = createAggregator(function(result, value, key) {
  	      if (hasOwnProperty.call(result, key)) {
  	        result[key].push(value);
  	      } else {
  	        baseAssignValue(result, key, [value]);
  	      }
  	    });
  
  	    /**
  	     * Checks if `value` is in `collection`. If `collection` is a string, it's
  	     * checked for a substring of `value`, otherwise
  	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * is used for equality comparisons. If `fromIndex` is negative, it's used as
  	     * the offset from the end of `collection`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object|string} collection The collection to inspect.
  	     * @param {*} value The value to search for.
  	     * @param {number} [fromIndex=0] The index to search from.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
  	     * @returns {boolean} Returns `true` if `value` is found, else `false`.
  	     * @example
  	     *
  	     * _.includes([1, 2, 3], 1);
  	     * // => true
  	     *
  	     * _.includes([1, 2, 3], 1, 2);
  	     * // => false
  	     *
  	     * _.includes({ 'a': 1, 'b': 2 }, 1);
  	     * // => true
  	     *
  	     * _.includes('abcd', 'bc');
  	     * // => true
  	     */
  	    function includes(collection, value, fromIndex, guard) {
  	      collection = isArrayLike(collection) ? collection : values(collection);
  	      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
  
  	      var length = collection.length;
  	      if (fromIndex < 0) {
  	        fromIndex = nativeMax(length + fromIndex, 0);
  	      }
  	      return isString(collection)
  	        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
  	        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
  	    }
  
  	    /**
  	     * Invokes the method at `path` of each element in `collection`, returning
  	     * an array of the results of each invoked method. Any additional arguments
  	     * are provided to each invoked method. If `path` is a function, it's invoked
  	     * for, and `this` bound to, each element in `collection`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Array|Function|string} path The path of the method to invoke or
  	     *  the function invoked per iteration.
  	     * @param {...*} [args] The arguments to invoke each method with.
  	     * @returns {Array} Returns the array of results.
  	     * @example
  	     *
  	     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
  	     * // => [[1, 5, 7], [1, 2, 3]]
  	     *
  	     * _.invokeMap([123, 456], String.prototype.split, '');
  	     * // => [['1', '2', '3'], ['4', '5', '6']]
  	     */
  	    var invokeMap = baseRest(function(collection, path, args) {
  	      var index = -1,
  	          isFunc = typeof path == 'function',
  	          result = isArrayLike(collection) ? Array(collection.length) : [];
  
  	      baseEach(collection, function(value) {
  	        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
  	      });
  	      return result;
  	    });
  
  	    /**
  	     * Creates an object composed of keys generated from the results of running
  	     * each element of `collection` thru `iteratee`. The corresponding value of
  	     * each key is the last element responsible for generating the key. The
  	     * iteratee is invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
  	     * @returns {Object} Returns the composed aggregate object.
  	     * @example
  	     *
  	     * var array = [
  	     *   { 'dir': 'left', 'code': 97 },
  	     *   { 'dir': 'right', 'code': 100 }
  	     * ];
  	     *
  	     * _.keyBy(array, function(o) {
  	     *   return String.fromCharCode(o.code);
  	     * });
  	     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
  	     *
  	     * _.keyBy(array, 'dir');
  	     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
  	     */
  	    var keyBy = createAggregator(function(result, value, key) {
  	      baseAssignValue(result, key, value);
  	    });
  
  	    /**
  	     * Creates an array of values by running each element in `collection` thru
  	     * `iteratee`. The iteratee is invoked with three arguments:
  	     * (value, index|key, collection).
  	     *
  	     * Many lodash methods are guarded to work as iteratees for methods like
  	     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
  	     *
  	     * The guarded methods are:
  	     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
  	     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
  	     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
  	     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the new mapped array.
  	     * @example
  	     *
  	     * function square(n) {
  	     *   return n * n;
  	     * }
  	     *
  	     * _.map([4, 8], square);
  	     * // => [16, 64]
  	     *
  	     * _.map({ 'a': 4, 'b': 8 }, square);
  	     * // => [16, 64] (iteration order is not guaranteed)
  	     *
  	     * var users = [
  	     *   { 'user': 'barney' },
  	     *   { 'user': 'fred' }
  	     * ];
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.map(users, 'user');
  	     * // => ['barney', 'fred']
  	     */
  	    function map(collection, iteratee) {
  	      var func = isArray(collection) ? arrayMap : baseMap;
  	      return func(collection, getIteratee(iteratee, 3));
  	    }
  
  	    /**
  	     * This method is like `_.sortBy` except that it allows specifying the sort
  	     * orders of the iteratees to sort by. If `orders` is unspecified, all values
  	     * are sorted in ascending order. Otherwise, specify an order of "desc" for
  	     * descending or "asc" for ascending sort order of corresponding values.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
  	     *  The iteratees to sort by.
  	     * @param {string[]} [orders] The sort orders of `iteratees`.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
  	     * @returns {Array} Returns the new sorted array.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'fred',   'age': 48 },
  	     *   { 'user': 'barney', 'age': 34 },
  	     *   { 'user': 'fred',   'age': 40 },
  	     *   { 'user': 'barney', 'age': 36 }
  	     * ];
  	     *
  	     * // Sort by `user` in ascending order and by `age` in descending order.
  	     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
  	     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
  	     */
  	    function orderBy(collection, iteratees, orders, guard) {
  	      if (collection == null) {
  	        return [];
  	      }
  	      if (!isArray(iteratees)) {
  	        iteratees = iteratees == null ? [] : [iteratees];
  	      }
  	      orders = guard ? undefined : orders;
  	      if (!isArray(orders)) {
  	        orders = orders == null ? [] : [orders];
  	      }
  	      return baseOrderBy(collection, iteratees, orders);
  	    }
  
  	    /**
  	     * Creates an array of elements split into two groups, the first of which
  	     * contains elements `predicate` returns truthy for, the second of which
  	     * contains elements `predicate` returns falsey for. The predicate is
  	     * invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the array of grouped elements.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney',  'age': 36, 'active': false },
  	     *   { 'user': 'fred',    'age': 40, 'active': true },
  	     *   { 'user': 'pebbles', 'age': 1,  'active': false }
  	     * ];
  	     *
  	     * _.partition(users, function(o) { return o.active; });
  	     * // => objects for [['fred'], ['barney', 'pebbles']]
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.partition(users, { 'age': 1, 'active': false });
  	     * // => objects for [['pebbles'], ['barney', 'fred']]
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.partition(users, ['active', false]);
  	     * // => objects for [['barney', 'pebbles'], ['fred']]
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.partition(users, 'active');
  	     * // => objects for [['fred'], ['barney', 'pebbles']]
  	     */
  	    var partition = createAggregator(function(result, value, key) {
  	      result[key ? 0 : 1].push(value);
  	    }, function() { return [[], []]; });
  
  	    /**
  	     * Reduces `collection` to a value which is the accumulated result of running
  	     * each element in `collection` thru `iteratee`, where each successive
  	     * invocation is supplied the return value of the previous. If `accumulator`
  	     * is not given, the first element of `collection` is used as the initial
  	     * value. The iteratee is invoked with four arguments:
  	     * (accumulator, value, index|key, collection).
  	     *
  	     * Many lodash methods are guarded to work as iteratees for methods like
  	     * `_.reduce`, `_.reduceRight`, and `_.transform`.
  	     *
  	     * The guarded methods are:
  	     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
  	     * and `sortBy`
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @param {*} [accumulator] The initial value.
  	     * @returns {*} Returns the accumulated value.
  	     * @see _.reduceRight
  	     * @example
  	     *
  	     * _.reduce([1, 2], function(sum, n) {
  	     *   return sum + n;
  	     * }, 0);
  	     * // => 3
  	     *
  	     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
  	     *   (result[value] || (result[value] = [])).push(key);
  	     *   return result;
  	     * }, {});
  	     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
  	     */
  	    function reduce(collection, iteratee, accumulator) {
  	      var func = isArray(collection) ? arrayReduce : baseReduce,
  	          initAccum = arguments.length < 3;
  
  	      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
  	    }
  
  	    /**
  	     * This method is like `_.reduce` except that it iterates over elements of
  	     * `collection` from right to left.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @param {*} [accumulator] The initial value.
  	     * @returns {*} Returns the accumulated value.
  	     * @see _.reduce
  	     * @example
  	     *
  	     * var array = [[0, 1], [2, 3], [4, 5]];
  	     *
  	     * _.reduceRight(array, function(flattened, other) {
  	     *   return flattened.concat(other);
  	     * }, []);
  	     * // => [4, 5, 2, 3, 0, 1]
  	     */
  	    function reduceRight(collection, iteratee, accumulator) {
  	      var func = isArray(collection) ? arrayReduceRight : baseReduce,
  	          initAccum = arguments.length < 3;
  
  	      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
  	    }
  
  	    /**
  	     * The opposite of `_.filter`; this method returns the elements of `collection`
  	     * that `predicate` does **not** return truthy for.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the new filtered array.
  	     * @see _.filter
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney', 'age': 36, 'active': false },
  	     *   { 'user': 'fred',   'age': 40, 'active': true }
  	     * ];
  	     *
  	     * _.reject(users, function(o) { return !o.active; });
  	     * // => objects for ['fred']
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.reject(users, { 'age': 40, 'active': true });
  	     * // => objects for ['barney']
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.reject(users, ['active', false]);
  	     * // => objects for ['fred']
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.reject(users, 'active');
  	     * // => objects for ['barney']
  	     */
  	    function reject(collection, predicate) {
  	      var func = isArray(collection) ? arrayFilter : baseFilter;
  	      return func(collection, negate(getIteratee(predicate, 3)));
  	    }
  
  	    /**
  	     * Gets a random element from `collection`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to sample.
  	     * @returns {*} Returns the random element.
  	     * @example
  	     *
  	     * _.sample([1, 2, 3, 4]);
  	     * // => 2
  	     */
  	    function sample(collection) {
  	      var func = isArray(collection) ? arraySample : baseSample;
  	      return func(collection);
  	    }
  
  	    /**
  	     * Gets `n` random elements at unique keys from `collection` up to the
  	     * size of `collection`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to sample.
  	     * @param {number} [n=1] The number of elements to sample.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Array} Returns the random elements.
  	     * @example
  	     *
  	     * _.sampleSize([1, 2, 3], 2);
  	     * // => [3, 1]
  	     *
  	     * _.sampleSize([1, 2, 3], 4);
  	     * // => [2, 3, 1]
  	     */
  	    function sampleSize(collection, n, guard) {
  	      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
  	        n = 1;
  	      } else {
  	        n = toInteger(n);
  	      }
  	      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
  	      return func(collection, n);
  	    }
  
  	    /**
  	     * Creates an array of shuffled values, using a version of the
  	     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to shuffle.
  	     * @returns {Array} Returns the new shuffled array.
  	     * @example
  	     *
  	     * _.shuffle([1, 2, 3, 4]);
  	     * // => [4, 1, 3, 2]
  	     */
  	    function shuffle(collection) {
  	      var func = isArray(collection) ? arrayShuffle : baseShuffle;
  	      return func(collection);
  	    }
  
  	    /**
  	     * Gets the size of `collection` by returning its length for array-like
  	     * values or the number of own enumerable string keyed properties for objects.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object|string} collection The collection to inspect.
  	     * @returns {number} Returns the collection size.
  	     * @example
  	     *
  	     * _.size([1, 2, 3]);
  	     * // => 3
  	     *
  	     * _.size({ 'a': 1, 'b': 2 });
  	     * // => 2
  	     *
  	     * _.size('pebbles');
  	     * // => 7
  	     */
  	    function size(collection) {
  	      if (collection == null) {
  	        return 0;
  	      }
  	      if (isArrayLike(collection)) {
  	        return isString(collection) ? stringSize(collection) : collection.length;
  	      }
  	      var tag = getTag(collection);
  	      if (tag == mapTag || tag == setTag) {
  	        return collection.size;
  	      }
  	      return baseKeys(collection).length;
  	    }
  
  	    /**
  	     * Checks if `predicate` returns truthy for **any** element of `collection`.
  	     * Iteration is stopped once `predicate` returns truthy. The predicate is
  	     * invoked with three arguments: (value, index|key, collection).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {boolean} Returns `true` if any element passes the predicate check,
  	     *  else `false`.
  	     * @example
  	     *
  	     * _.some([null, 0, 'yes', false], Boolean);
  	     * // => true
  	     *
  	     * var users = [
  	     *   { 'user': 'barney', 'active': true },
  	     *   { 'user': 'fred',   'active': false }
  	     * ];
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.some(users, { 'user': 'barney', 'active': false });
  	     * // => false
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.some(users, ['active', false]);
  	     * // => true
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.some(users, 'active');
  	     * // => true
  	     */
  	    function some(collection, predicate, guard) {
  	      var func = isArray(collection) ? arraySome : baseSome;
  	      if (guard && isIterateeCall(collection, predicate, guard)) {
  	        predicate = undefined;
  	      }
  	      return func(collection, getIteratee(predicate, 3));
  	    }
  
  	    /**
  	     * Creates an array of elements, sorted in ascending order by the results of
  	     * running each element in a collection thru each iteratee. This method
  	     * performs a stable sort, that is, it preserves the original sort order of
  	     * equal elements. The iteratees are invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Collection
  	     * @param {Array|Object} collection The collection to iterate over.
  	     * @param {...(Function|Function[])} [iteratees=[_.identity]]
  	     *  The iteratees to sort by.
  	     * @returns {Array} Returns the new sorted array.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'fred',   'age': 48 },
  	     *   { 'user': 'barney', 'age': 36 },
  	     *   { 'user': 'fred',   'age': 40 },
  	     *   { 'user': 'barney', 'age': 34 }
  	     * ];
  	     *
  	     * _.sortBy(users, [function(o) { return o.user; }]);
  	     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
  	     *
  	     * _.sortBy(users, ['user', 'age']);
  	     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]
  	     */
  	    var sortBy = baseRest(function(collection, iteratees) {
  	      if (collection == null) {
  	        return [];
  	      }
  	      var length = iteratees.length;
  	      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
  	        iteratees = [];
  	      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
  	        iteratees = [iteratees[0]];
  	      }
  	      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
  	    });
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Gets the timestamp of the number of milliseconds that have elapsed since
  	     * the Unix epoch (1 January 1970 00:00:00 UTC).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.4.0
  	     * @category Date
  	     * @returns {number} Returns the timestamp.
  	     * @example
  	     *
  	     * _.defer(function(stamp) {
  	     *   console.log(_.now() - stamp);
  	     * }, _.now());
  	     * // => Logs the number of milliseconds it took for the deferred invocation.
  	     */
  	    var now = ctxNow || function() {
  	      return root.Date.now();
  	    };
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * The opposite of `_.before`; this method creates a function that invokes
  	     * `func` once it's called `n` or more times.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Function
  	     * @param {number} n The number of calls before `func` is invoked.
  	     * @param {Function} func The function to restrict.
  	     * @returns {Function} Returns the new restricted function.
  	     * @example
  	     *
  	     * var saves = ['profile', 'settings'];
  	     *
  	     * var done = _.after(saves.length, function() {
  	     *   console.log('done saving!');
  	     * });
  	     *
  	     * _.forEach(saves, function(type) {
  	     *   asyncSave({ 'type': type, 'complete': done });
  	     * });
  	     * // => Logs 'done saving!' after the two async saves have completed.
  	     */
  	    function after(n, func) {
  	      if (typeof func != 'function') {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      n = toInteger(n);
  	      return function() {
  	        if (--n < 1) {
  	          return func.apply(this, arguments);
  	        }
  	      };
  	    }
  
  	    /**
  	     * Creates a function that invokes `func`, with up to `n` arguments,
  	     * ignoring any additional arguments.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Function
  	     * @param {Function} func The function to cap arguments for.
  	     * @param {number} [n=func.length] The arity cap.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Function} Returns the new capped function.
  	     * @example
  	     *
  	     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
  	     * // => [6, 8, 10]
  	     */
  	    function ary(func, n, guard) {
  	      n = guard ? undefined : n;
  	      n = (func && n == null) ? func.length : n;
  	      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
  	    }
  
  	    /**
  	     * Creates a function that invokes `func`, with the `this` binding and arguments
  	     * of the created function, while it's called less than `n` times. Subsequent
  	     * calls to the created function return the result of the last `func` invocation.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Function
  	     * @param {number} n The number of calls at which `func` is no longer invoked.
  	     * @param {Function} func The function to restrict.
  	     * @returns {Function} Returns the new restricted function.
  	     * @example
  	     *
  	     * jQuery(element).on('click', _.before(5, addContactToList));
  	     * // => Allows adding up to 4 contacts to the list.
  	     */
  	    function before(n, func) {
  	      var result;
  	      if (typeof func != 'function') {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      n = toInteger(n);
  	      return function() {
  	        if (--n > 0) {
  	          result = func.apply(this, arguments);
  	        }
  	        if (n <= 1) {
  	          func = undefined;
  	        }
  	        return result;
  	      };
  	    }
  
  	    /**
  	     * Creates a function that invokes `func` with the `this` binding of `thisArg`
  	     * and `partials` prepended to the arguments it receives.
  	     *
  	     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
  	     * may be used as a placeholder for partially applied arguments.
  	     *
  	     * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
  	     * property of bound functions.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Function
  	     * @param {Function} func The function to bind.
  	     * @param {*} thisArg The `this` binding of `func`.
  	     * @param {...*} [partials] The arguments to be partially applied.
  	     * @returns {Function} Returns the new bound function.
  	     * @example
  	     *
  	     * function greet(greeting, punctuation) {
  	     *   return greeting + ' ' + this.user + punctuation;
  	     * }
  	     *
  	     * var object = { 'user': 'fred' };
  	     *
  	     * var bound = _.bind(greet, object, 'hi');
  	     * bound('!');
  	     * // => 'hi fred!'
  	     *
  	     * // Bound with placeholders.
  	     * var bound = _.bind(greet, object, _, '!');
  	     * bound('hi');
  	     * // => 'hi fred!'
  	     */
  	    var bind = baseRest(function(func, thisArg, partials) {
  	      var bitmask = WRAP_BIND_FLAG;
  	      if (partials.length) {
  	        var holders = replaceHolders(partials, getHolder(bind));
  	        bitmask |= WRAP_PARTIAL_FLAG;
  	      }
  	      return createWrap(func, bitmask, thisArg, partials, holders);
  	    });
  
  	    /**
  	     * Creates a function that invokes the method at `object[key]` with `partials`
  	     * prepended to the arguments it receives.
  	     *
  	     * This method differs from `_.bind` by allowing bound functions to reference
  	     * methods that may be redefined or don't yet exist. See
  	     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
  	     * for more details.
  	     *
  	     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
  	     * builds, may be used as a placeholder for partially applied arguments.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.10.0
  	     * @category Function
  	     * @param {Object} object The object to invoke the method on.
  	     * @param {string} key The key of the method.
  	     * @param {...*} [partials] The arguments to be partially applied.
  	     * @returns {Function} Returns the new bound function.
  	     * @example
  	     *
  	     * var object = {
  	     *   'user': 'fred',
  	     *   'greet': function(greeting, punctuation) {
  	     *     return greeting + ' ' + this.user + punctuation;
  	     *   }
  	     * };
  	     *
  	     * var bound = _.bindKey(object, 'greet', 'hi');
  	     * bound('!');
  	     * // => 'hi fred!'
  	     *
  	     * object.greet = function(greeting, punctuation) {
  	     *   return greeting + 'ya ' + this.user + punctuation;
  	     * };
  	     *
  	     * bound('!');
  	     * // => 'hiya fred!'
  	     *
  	     * // Bound with placeholders.
  	     * var bound = _.bindKey(object, 'greet', _, '!');
  	     * bound('hi');
  	     * // => 'hiya fred!'
  	     */
  	    var bindKey = baseRest(function(object, key, partials) {
  	      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
  	      if (partials.length) {
  	        var holders = replaceHolders(partials, getHolder(bindKey));
  	        bitmask |= WRAP_PARTIAL_FLAG;
  	      }
  	      return createWrap(key, bitmask, object, partials, holders);
  	    });
  
  	    /**
  	     * Creates a function that accepts arguments of `func` and either invokes
  	     * `func` returning its result, if at least `arity` number of arguments have
  	     * been provided, or returns a function that accepts the remaining `func`
  	     * arguments, and so on. The arity of `func` may be specified if `func.length`
  	     * is not sufficient.
  	     *
  	     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
  	     * may be used as a placeholder for provided arguments.
  	     *
  	     * **Note:** This method doesn't set the "length" property of curried functions.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @category Function
  	     * @param {Function} func The function to curry.
  	     * @param {number} [arity=func.length] The arity of `func`.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Function} Returns the new curried function.
  	     * @example
  	     *
  	     * var abc = function(a, b, c) {
  	     *   return [a, b, c];
  	     * };
  	     *
  	     * var curried = _.curry(abc);
  	     *
  	     * curried(1)(2)(3);
  	     * // => [1, 2, 3]
  	     *
  	     * curried(1, 2)(3);
  	     * // => [1, 2, 3]
  	     *
  	     * curried(1, 2, 3);
  	     * // => [1, 2, 3]
  	     *
  	     * // Curried with placeholders.
  	     * curried(1)(_, 3)(2);
  	     * // => [1, 2, 3]
  	     */
  	    function curry(func, arity, guard) {
  	      arity = guard ? undefined : arity;
  	      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
  	      result.placeholder = curry.placeholder;
  	      return result;
  	    }
  
  	    /**
  	     * This method is like `_.curry` except that arguments are applied to `func`
  	     * in the manner of `_.partialRight` instead of `_.partial`.
  	     *
  	     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
  	     * builds, may be used as a placeholder for provided arguments.
  	     *
  	     * **Note:** This method doesn't set the "length" property of curried functions.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Function
  	     * @param {Function} func The function to curry.
  	     * @param {number} [arity=func.length] The arity of `func`.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Function} Returns the new curried function.
  	     * @example
  	     *
  	     * var abc = function(a, b, c) {
  	     *   return [a, b, c];
  	     * };
  	     *
  	     * var curried = _.curryRight(abc);
  	     *
  	     * curried(3)(2)(1);
  	     * // => [1, 2, 3]
  	     *
  	     * curried(2, 3)(1);
  	     * // => [1, 2, 3]
  	     *
  	     * curried(1, 2, 3);
  	     * // => [1, 2, 3]
  	     *
  	     * // Curried with placeholders.
  	     * curried(3)(1, _)(2);
  	     * // => [1, 2, 3]
  	     */
  	    function curryRight(func, arity, guard) {
  	      arity = guard ? undefined : arity;
  	      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
  	      result.placeholder = curryRight.placeholder;
  	      return result;
  	    }
  
  	    /**
  	     * Creates a debounced function that delays invoking `func` until after `wait`
  	     * milliseconds have elapsed since the last time the debounced function was
  	     * invoked. The debounced function comes with a `cancel` method to cancel
  	     * delayed `func` invocations and a `flush` method to immediately invoke them.
  	     * Provide `options` to indicate whether `func` should be invoked on the
  	     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
  	     * with the last arguments provided to the debounced function. Subsequent
  	     * calls to the debounced function return the result of the last `func`
  	     * invocation.
  	     *
  	     * **Note:** If `leading` and `trailing` options are `true`, `func` is
  	     * invoked on the trailing edge of the timeout only if the debounced function
  	     * is invoked more than once during the `wait` timeout.
  	     *
  	     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
  	     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
  	     *
  	     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
  	     * for details over the differences between `_.debounce` and `_.throttle`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Function
  	     * @param {Function} func The function to debounce.
  	     * @param {number} [wait=0] The number of milliseconds to delay.
  	     * @param {Object} [options={}] The options object.
  	     * @param {boolean} [options.leading=false]
  	     *  Specify invoking on the leading edge of the timeout.
  	     * @param {number} [options.maxWait]
  	     *  The maximum time `func` is allowed to be delayed before it's invoked.
  	     * @param {boolean} [options.trailing=true]
  	     *  Specify invoking on the trailing edge of the timeout.
  	     * @returns {Function} Returns the new debounced function.
  	     * @example
  	     *
  	     * // Avoid costly calculations while the window size is in flux.
  	     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
  	     *
  	     * // Invoke `sendMail` when clicked, debouncing subsequent calls.
  	     * jQuery(element).on('click', _.debounce(sendMail, 300, {
  	     *   'leading': true,
  	     *   'trailing': false
  	     * }));
  	     *
  	     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
  	     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
  	     * var source = new EventSource('/stream');
  	     * jQuery(source).on('message', debounced);
  	     *
  	     * // Cancel the trailing debounced invocation.
  	     * jQuery(window).on('popstate', debounced.cancel);
  	     */
  	    function debounce(func, wait, options) {
  	      var lastArgs,
  	          lastThis,
  	          maxWait,
  	          result,
  	          timerId,
  	          lastCallTime,
  	          lastInvokeTime = 0,
  	          leading = false,
  	          maxing = false,
  	          trailing = true;
  
  	      if (typeof func != 'function') {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      wait = toNumber(wait) || 0;
  	      if (isObject(options)) {
  	        leading = !!options.leading;
  	        maxing = 'maxWait' in options;
  	        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
  	        trailing = 'trailing' in options ? !!options.trailing : trailing;
  	      }
  
  	      function invokeFunc(time) {
  	        var args = lastArgs,
  	            thisArg = lastThis;
  
  	        lastArgs = lastThis = undefined;
  	        lastInvokeTime = time;
  	        result = func.apply(thisArg, args);
  	        return result;
  	      }
  
  	      function leadingEdge(time) {
  	        // Reset any `maxWait` timer.
  	        lastInvokeTime = time;
  	        // Start the timer for the trailing edge.
  	        timerId = setTimeout(timerExpired, wait);
  	        // Invoke the leading edge.
  	        return leading ? invokeFunc(time) : result;
  	      }
  
  	      function remainingWait(time) {
  	        var timeSinceLastCall = time - lastCallTime,
  	            timeSinceLastInvoke = time - lastInvokeTime,
  	            timeWaiting = wait - timeSinceLastCall;
  
  	        return maxing
  	          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
  	          : timeWaiting;
  	      }
  
  	      function shouldInvoke(time) {
  	        var timeSinceLastCall = time - lastCallTime,
  	            timeSinceLastInvoke = time - lastInvokeTime;
  
  	        // Either this is the first call, activity has stopped and we're at the
  	        // trailing edge, the system time has gone backwards and we're treating
  	        // it as the trailing edge, or we've hit the `maxWait` limit.
  	        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
  	          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
  	      }
  
  	      function timerExpired() {
  	        var time = now();
  	        if (shouldInvoke(time)) {
  	          return trailingEdge(time);
  	        }
  	        // Restart the timer.
  	        timerId = setTimeout(timerExpired, remainingWait(time));
  	      }
  
  	      function trailingEdge(time) {
  	        timerId = undefined;
  
  	        // Only invoke if we have `lastArgs` which means `func` has been
  	        // debounced at least once.
  	        if (trailing && lastArgs) {
  	          return invokeFunc(time);
  	        }
  	        lastArgs = lastThis = undefined;
  	        return result;
  	      }
  
  	      function cancel() {
  	        if (timerId !== undefined) {
  	          clearTimeout(timerId);
  	        }
  	        lastInvokeTime = 0;
  	        lastArgs = lastCallTime = lastThis = timerId = undefined;
  	      }
  
  	      function flush() {
  	        return timerId === undefined ? result : trailingEdge(now());
  	      }
  
  	      function debounced() {
  	        var time = now(),
  	            isInvoking = shouldInvoke(time);
  
  	        lastArgs = arguments;
  	        lastThis = this;
  	        lastCallTime = time;
  
  	        if (isInvoking) {
  	          if (timerId === undefined) {
  	            return leadingEdge(lastCallTime);
  	          }
  	          if (maxing) {
  	            // Handle invocations in a tight loop.
  	            timerId = setTimeout(timerExpired, wait);
  	            return invokeFunc(lastCallTime);
  	          }
  	        }
  	        if (timerId === undefined) {
  	          timerId = setTimeout(timerExpired, wait);
  	        }
  	        return result;
  	      }
  	      debounced.cancel = cancel;
  	      debounced.flush = flush;
  	      return debounced;
  	    }
  
  	    /**
  	     * Defers invoking the `func` until the current call stack has cleared. Any
  	     * additional arguments are provided to `func` when it's invoked.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Function
  	     * @param {Function} func The function to defer.
  	     * @param {...*} [args] The arguments to invoke `func` with.
  	     * @returns {number} Returns the timer id.
  	     * @example
  	     *
  	     * _.defer(function(text) {
  	     *   console.log(text);
  	     * }, 'deferred');
  	     * // => Logs 'deferred' after one millisecond.
  	     */
  	    var defer = baseRest(function(func, args) {
  	      return baseDelay(func, 1, args);
  	    });
  
  	    /**
  	     * Invokes `func` after `wait` milliseconds. Any additional arguments are
  	     * provided to `func` when it's invoked.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Function
  	     * @param {Function} func The function to delay.
  	     * @param {number} wait The number of milliseconds to delay invocation.
  	     * @param {...*} [args] The arguments to invoke `func` with.
  	     * @returns {number} Returns the timer id.
  	     * @example
  	     *
  	     * _.delay(function(text) {
  	     *   console.log(text);
  	     * }, 1000, 'later');
  	     * // => Logs 'later' after one second.
  	     */
  	    var delay = baseRest(function(func, wait, args) {
  	      return baseDelay(func, toNumber(wait) || 0, args);
  	    });
  
  	    /**
  	     * Creates a function that invokes `func` with arguments reversed.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Function
  	     * @param {Function} func The function to flip arguments for.
  	     * @returns {Function} Returns the new flipped function.
  	     * @example
  	     *
  	     * var flipped = _.flip(function() {
  	     *   return _.toArray(arguments);
  	     * });
  	     *
  	     * flipped('a', 'b', 'c', 'd');
  	     * // => ['d', 'c', 'b', 'a']
  	     */
  	    function flip(func) {
  	      return createWrap(func, WRAP_FLIP_FLAG);
  	    }
  
  	    /**
  	     * Creates a function that memoizes the result of `func`. If `resolver` is
  	     * provided, it determines the cache key for storing the result based on the
  	     * arguments provided to the memoized function. By default, the first argument
  	     * provided to the memoized function is used as the map cache key. The `func`
  	     * is invoked with the `this` binding of the memoized function.
  	     *
  	     * **Note:** The cache is exposed as the `cache` property on the memoized
  	     * function. Its creation may be customized by replacing the `_.memoize.Cache`
  	     * constructor with one whose instances implement the
  	     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
  	     * method interface of `clear`, `delete`, `get`, `has`, and `set`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Function
  	     * @param {Function} func The function to have its output memoized.
  	     * @param {Function} [resolver] The function to resolve the cache key.
  	     * @returns {Function} Returns the new memoized function.
  	     * @example
  	     *
  	     * var object = { 'a': 1, 'b': 2 };
  	     * var other = { 'c': 3, 'd': 4 };
  	     *
  	     * var values = _.memoize(_.values);
  	     * values(object);
  	     * // => [1, 2]
  	     *
  	     * values(other);
  	     * // => [3, 4]
  	     *
  	     * object.a = 2;
  	     * values(object);
  	     * // => [1, 2]
  	     *
  	     * // Modify the result cache.
  	     * values.cache.set(object, ['a', 'b']);
  	     * values(object);
  	     * // => ['a', 'b']
  	     *
  	     * // Replace `_.memoize.Cache`.
  	     * _.memoize.Cache = WeakMap;
  	     */
  	    function memoize(func, resolver) {
  	      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      var memoized = function() {
  	        var args = arguments,
  	            key = resolver ? resolver.apply(this, args) : args[0],
  	            cache = memoized.cache;
  
  	        if (cache.has(key)) {
  	          return cache.get(key);
  	        }
  	        var result = func.apply(this, args);
  	        memoized.cache = cache.set(key, result) || cache;
  	        return result;
  	      };
  	      memoized.cache = new (memoize.Cache || MapCache);
  	      return memoized;
  	    }
  
  	    // Expose `MapCache`.
  	    memoize.Cache = MapCache;
  
  	    /**
  	     * Creates a function that negates the result of the predicate `func`. The
  	     * `func` predicate is invoked with the `this` binding and arguments of the
  	     * created function.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Function
  	     * @param {Function} predicate The predicate to negate.
  	     * @returns {Function} Returns the new negated function.
  	     * @example
  	     *
  	     * function isEven(n) {
  	     *   return n % 2 == 0;
  	     * }
  	     *
  	     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
  	     * // => [1, 3, 5]
  	     */
  	    function negate(predicate) {
  	      if (typeof predicate != 'function') {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      return function() {
  	        var args = arguments;
  	        switch (args.length) {
  	          case 0: return !predicate.call(this);
  	          case 1: return !predicate.call(this, args[0]);
  	          case 2: return !predicate.call(this, args[0], args[1]);
  	          case 3: return !predicate.call(this, args[0], args[1], args[2]);
  	        }
  	        return !predicate.apply(this, args);
  	      };
  	    }
  
  	    /**
  	     * Creates a function that is restricted to invoking `func` once. Repeat calls
  	     * to the function return the value of the first invocation. The `func` is
  	     * invoked with the `this` binding and arguments of the created function.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Function
  	     * @param {Function} func The function to restrict.
  	     * @returns {Function} Returns the new restricted function.
  	     * @example
  	     *
  	     * var initialize = _.once(createApplication);
  	     * initialize();
  	     * initialize();
  	     * // => `createApplication` is invoked once
  	     */
  	    function once(func) {
  	      return before(2, func);
  	    }
  
  	    /**
  	     * Creates a function that invokes `func` with its arguments transformed.
  	     *
  	     * @static
  	     * @since 4.0.0
  	     * @memberOf _
  	     * @category Function
  	     * @param {Function} func The function to wrap.
  	     * @param {...(Function|Function[])} [transforms=[_.identity]]
  	     *  The argument transforms.
  	     * @returns {Function} Returns the new function.
  	     * @example
  	     *
  	     * function doubled(n) {
  	     *   return n * 2;
  	     * }
  	     *
  	     * function square(n) {
  	     *   return n * n;
  	     * }
  	     *
  	     * var func = _.overArgs(function(x, y) {
  	     *   return [x, y];
  	     * }, [square, doubled]);
  	     *
  	     * func(9, 3);
  	     * // => [81, 6]
  	     *
  	     * func(10, 5);
  	     * // => [100, 10]
  	     */
  	    var overArgs = castRest(function(func, transforms) {
  	      transforms = (transforms.length == 1 && isArray(transforms[0]))
  	        ? arrayMap(transforms[0], baseUnary(getIteratee()))
  	        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));
  
  	      var funcsLength = transforms.length;
  	      return baseRest(function(args) {
  	        var index = -1,
  	            length = nativeMin(args.length, funcsLength);
  
  	        while (++index < length) {
  	          args[index] = transforms[index].call(this, args[index]);
  	        }
  	        return apply(func, this, args);
  	      });
  	    });
  
  	    /**
  	     * Creates a function that invokes `func` with `partials` prepended to the
  	     * arguments it receives. This method is like `_.bind` except it does **not**
  	     * alter the `this` binding.
  	     *
  	     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
  	     * builds, may be used as a placeholder for partially applied arguments.
  	     *
  	     * **Note:** This method doesn't set the "length" property of partially
  	     * applied functions.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.2.0
  	     * @category Function
  	     * @param {Function} func The function to partially apply arguments to.
  	     * @param {...*} [partials] The arguments to be partially applied.
  	     * @returns {Function} Returns the new partially applied function.
  	     * @example
  	     *
  	     * function greet(greeting, name) {
  	     *   return greeting + ' ' + name;
  	     * }
  	     *
  	     * var sayHelloTo = _.partial(greet, 'hello');
  	     * sayHelloTo('fred');
  	     * // => 'hello fred'
  	     *
  	     * // Partially applied with placeholders.
  	     * var greetFred = _.partial(greet, _, 'fred');
  	     * greetFred('hi');
  	     * // => 'hi fred'
  	     */
  	    var partial = baseRest(function(func, partials) {
  	      var holders = replaceHolders(partials, getHolder(partial));
  	      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
  	    });
  
  	    /**
  	     * This method is like `_.partial` except that partially applied arguments
  	     * are appended to the arguments it receives.
  	     *
  	     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
  	     * builds, may be used as a placeholder for partially applied arguments.
  	     *
  	     * **Note:** This method doesn't set the "length" property of partially
  	     * applied functions.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 1.0.0
  	     * @category Function
  	     * @param {Function} func The function to partially apply arguments to.
  	     * @param {...*} [partials] The arguments to be partially applied.
  	     * @returns {Function} Returns the new partially applied function.
  	     * @example
  	     *
  	     * function greet(greeting, name) {
  	     *   return greeting + ' ' + name;
  	     * }
  	     *
  	     * var greetFred = _.partialRight(greet, 'fred');
  	     * greetFred('hi');
  	     * // => 'hi fred'
  	     *
  	     * // Partially applied with placeholders.
  	     * var sayHelloTo = _.partialRight(greet, 'hello', _);
  	     * sayHelloTo('fred');
  	     * // => 'hello fred'
  	     */
  	    var partialRight = baseRest(function(func, partials) {
  	      var holders = replaceHolders(partials, getHolder(partialRight));
  	      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
  	    });
  
  	    /**
  	     * Creates a function that invokes `func` with arguments arranged according
  	     * to the specified `indexes` where the argument value at the first index is
  	     * provided as the first argument, the argument value at the second index is
  	     * provided as the second argument, and so on.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Function
  	     * @param {Function} func The function to rearrange arguments for.
  	     * @param {...(number|number[])} indexes The arranged argument indexes.
  	     * @returns {Function} Returns the new function.
  	     * @example
  	     *
  	     * var rearged = _.rearg(function(a, b, c) {
  	     *   return [a, b, c];
  	     * }, [2, 0, 1]);
  	     *
  	     * rearged('b', 'c', 'a')
  	     * // => ['a', 'b', 'c']
  	     */
  	    var rearg = flatRest(function(func, indexes) {
  	      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
  	    });
  
  	    /**
  	     * Creates a function that invokes `func` with the `this` binding of the
  	     * created function and arguments from `start` and beyond provided as
  	     * an array.
  	     *
  	     * **Note:** This method is based on the
  	     * [rest parameter](https://mdn.io/rest_parameters).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Function
  	     * @param {Function} func The function to apply a rest parameter to.
  	     * @param {number} [start=func.length-1] The start position of the rest parameter.
  	     * @returns {Function} Returns the new function.
  	     * @example
  	     *
  	     * var say = _.rest(function(what, names) {
  	     *   return what + ' ' + _.initial(names).join(', ') +
  	     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
  	     * });
  	     *
  	     * say('hello', 'fred', 'barney', 'pebbles');
  	     * // => 'hello fred, barney, & pebbles'
  	     */
  	    function rest(func, start) {
  	      if (typeof func != 'function') {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      start = start === undefined ? start : toInteger(start);
  	      return baseRest(func, start);
  	    }
  
  	    /**
  	     * Creates a function that invokes `func` with the `this` binding of the
  	     * create function and an array of arguments much like
  	     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
  	     *
  	     * **Note:** This method is based on the
  	     * [spread operator](https://mdn.io/spread_operator).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.2.0
  	     * @category Function
  	     * @param {Function} func The function to spread arguments over.
  	     * @param {number} [start=0] The start position of the spread.
  	     * @returns {Function} Returns the new function.
  	     * @example
  	     *
  	     * var say = _.spread(function(who, what) {
  	     *   return who + ' says ' + what;
  	     * });
  	     *
  	     * say(['fred', 'hello']);
  	     * // => 'fred says hello'
  	     *
  	     * var numbers = Promise.all([
  	     *   Promise.resolve(40),
  	     *   Promise.resolve(36)
  	     * ]);
  	     *
  	     * numbers.then(_.spread(function(x, y) {
  	     *   return x + y;
  	     * }));
  	     * // => a Promise of 76
  	     */
  	    function spread(func, start) {
  	      if (typeof func != 'function') {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      start = start == null ? 0 : nativeMax(toInteger(start), 0);
  	      return baseRest(function(args) {
  	        var array = args[start],
  	            otherArgs = castSlice(args, 0, start);
  
  	        if (array) {
  	          arrayPush(otherArgs, array);
  	        }
  	        return apply(func, this, otherArgs);
  	      });
  	    }
  
  	    /**
  	     * Creates a throttled function that only invokes `func` at most once per
  	     * every `wait` milliseconds. The throttled function comes with a `cancel`
  	     * method to cancel delayed `func` invocations and a `flush` method to
  	     * immediately invoke them. Provide `options` to indicate whether `func`
  	     * should be invoked on the leading and/or trailing edge of the `wait`
  	     * timeout. The `func` is invoked with the last arguments provided to the
  	     * throttled function. Subsequent calls to the throttled function return the
  	     * result of the last `func` invocation.
  	     *
  	     * **Note:** If `leading` and `trailing` options are `true`, `func` is
  	     * invoked on the trailing edge of the timeout only if the throttled function
  	     * is invoked more than once during the `wait` timeout.
  	     *
  	     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
  	     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
  	     *
  	     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
  	     * for details over the differences between `_.throttle` and `_.debounce`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Function
  	     * @param {Function} func The function to throttle.
  	     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
  	     * @param {Object} [options={}] The options object.
  	     * @param {boolean} [options.leading=true]
  	     *  Specify invoking on the leading edge of the timeout.
  	     * @param {boolean} [options.trailing=true]
  	     *  Specify invoking on the trailing edge of the timeout.
  	     * @returns {Function} Returns the new throttled function.
  	     * @example
  	     *
  	     * // Avoid excessively updating the position while scrolling.
  	     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
  	     *
  	     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
  	     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
  	     * jQuery(element).on('click', throttled);
  	     *
  	     * // Cancel the trailing throttled invocation.
  	     * jQuery(window).on('popstate', throttled.cancel);
  	     */
  	    function throttle(func, wait, options) {
  	      var leading = true,
  	          trailing = true;
  
  	      if (typeof func != 'function') {
  	        throw new TypeError(FUNC_ERROR_TEXT);
  	      }
  	      if (isObject(options)) {
  	        leading = 'leading' in options ? !!options.leading : leading;
  	        trailing = 'trailing' in options ? !!options.trailing : trailing;
  	      }
  	      return debounce(func, wait, {
  	        'leading': leading,
  	        'maxWait': wait,
  	        'trailing': trailing
  	      });
  	    }
  
  	    /**
  	     * Creates a function that accepts up to one argument, ignoring any
  	     * additional arguments.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Function
  	     * @param {Function} func The function to cap arguments for.
  	     * @returns {Function} Returns the new capped function.
  	     * @example
  	     *
  	     * _.map(['6', '8', '10'], _.unary(parseInt));
  	     * // => [6, 8, 10]
  	     */
  	    function unary(func) {
  	      return ary(func, 1);
  	    }
  
  	    /**
  	     * Creates a function that provides `value` to `wrapper` as its first
  	     * argument. Any additional arguments provided to the function are appended
  	     * to those provided to the `wrapper`. The wrapper is invoked with the `this`
  	     * binding of the created function.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Function
  	     * @param {*} value The value to wrap.
  	     * @param {Function} [wrapper=identity] The wrapper function.
  	     * @returns {Function} Returns the new function.
  	     * @example
  	     *
  	     * var p = _.wrap(_.escape, function(func, text) {
  	     *   return '<p>' + func(text) + '</p>';
  	     * });
  	     *
  	     * p('fred, barney, & pebbles');
  	     * // => '<p>fred, barney, &amp; pebbles</p>'
  	     */
  	    function wrap(value, wrapper) {
  	      return partial(castFunction(wrapper), value);
  	    }
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Casts `value` as an array if it's not one.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.4.0
  	     * @category Lang
  	     * @param {*} value The value to inspect.
  	     * @returns {Array} Returns the cast array.
  	     * @example
  	     *
  	     * _.castArray(1);
  	     * // => [1]
  	     *
  	     * _.castArray({ 'a': 1 });
  	     * // => [{ 'a': 1 }]
  	     *
  	     * _.castArray('abc');
  	     * // => ['abc']
  	     *
  	     * _.castArray(null);
  	     * // => [null]
  	     *
  	     * _.castArray(undefined);
  	     * // => [undefined]
  	     *
  	     * _.castArray();
  	     * // => []
  	     *
  	     * var array = [1, 2, 3];
  	     * console.log(_.castArray(array) === array);
  	     * // => true
  	     */
  	    function castArray() {
  	      if (!arguments.length) {
  	        return [];
  	      }
  	      var value = arguments[0];
  	      return isArray(value) ? value : [value];
  	    }
  
  	    /**
  	     * Creates a shallow clone of `value`.
  	     *
  	     * **Note:** This method is loosely based on the
  	     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
  	     * and supports cloning arrays, array buffers, booleans, date objects, maps,
  	     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
  	     * arrays. The own enumerable properties of `arguments` objects are cloned
  	     * as plain objects. An empty object is returned for uncloneable values such
  	     * as error objects, functions, DOM nodes, and WeakMaps.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to clone.
  	     * @returns {*} Returns the cloned value.
  	     * @see _.cloneDeep
  	     * @example
  	     *
  	     * var objects = [{ 'a': 1 }, { 'b': 2 }];
  	     *
  	     * var shallow = _.clone(objects);
  	     * console.log(shallow[0] === objects[0]);
  	     * // => true
  	     */
  	    function clone(value) {
  	      return baseClone(value, CLONE_SYMBOLS_FLAG);
  	    }
  
  	    /**
  	     * This method is like `_.clone` except that it accepts `customizer` which
  	     * is invoked to produce the cloned value. If `customizer` returns `undefined`,
  	     * cloning is handled by the method instead. The `customizer` is invoked with
  	     * up to four arguments; (value [, index|key, object, stack]).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to clone.
  	     * @param {Function} [customizer] The function to customize cloning.
  	     * @returns {*} Returns the cloned value.
  	     * @see _.cloneDeepWith
  	     * @example
  	     *
  	     * function customizer(value) {
  	     *   if (_.isElement(value)) {
  	     *     return value.cloneNode(false);
  	     *   }
  	     * }
  	     *
  	     * var el = _.cloneWith(document.body, customizer);
  	     *
  	     * console.log(el === document.body);
  	     * // => false
  	     * console.log(el.nodeName);
  	     * // => 'BODY'
  	     * console.log(el.childNodes.length);
  	     * // => 0
  	     */
  	    function cloneWith(value, customizer) {
  	      customizer = typeof customizer == 'function' ? customizer : undefined;
  	      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
  	    }
  
  	    /**
  	     * This method is like `_.clone` except that it recursively clones `value`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 1.0.0
  	     * @category Lang
  	     * @param {*} value The value to recursively clone.
  	     * @returns {*} Returns the deep cloned value.
  	     * @see _.clone
  	     * @example
  	     *
  	     * var objects = [{ 'a': 1 }, { 'b': 2 }];
  	     *
  	     * var deep = _.cloneDeep(objects);
  	     * console.log(deep[0] === objects[0]);
  	     * // => false
  	     */
  	    function cloneDeep(value) {
  	      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
  	    }
  
  	    /**
  	     * This method is like `_.cloneWith` except that it recursively clones `value`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to recursively clone.
  	     * @param {Function} [customizer] The function to customize cloning.
  	     * @returns {*} Returns the deep cloned value.
  	     * @see _.cloneWith
  	     * @example
  	     *
  	     * function customizer(value) {
  	     *   if (_.isElement(value)) {
  	     *     return value.cloneNode(true);
  	     *   }
  	     * }
  	     *
  	     * var el = _.cloneDeepWith(document.body, customizer);
  	     *
  	     * console.log(el === document.body);
  	     * // => false
  	     * console.log(el.nodeName);
  	     * // => 'BODY'
  	     * console.log(el.childNodes.length);
  	     * // => 20
  	     */
  	    function cloneDeepWith(value, customizer) {
  	      customizer = typeof customizer == 'function' ? customizer : undefined;
  	      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
  	    }
  
  	    /**
  	     * Checks if `object` conforms to `source` by invoking the predicate
  	     * properties of `source` with the corresponding property values of `object`.
  	     *
  	     * **Note:** This method is equivalent to `_.conforms` when `source` is
  	     * partially applied.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.14.0
  	     * @category Lang
  	     * @param {Object} object The object to inspect.
  	     * @param {Object} source The object of property predicates to conform to.
  	     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
  	     * @example
  	     *
  	     * var object = { 'a': 1, 'b': 2 };
  	     *
  	     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
  	     * // => true
  	     *
  	     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
  	     * // => false
  	     */
  	    function conformsTo(object, source) {
  	      return source == null || baseConformsTo(object, source, keys(source));
  	    }
  
  	    /**
  	     * Performs a
  	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  	     * comparison between two values to determine if they are equivalent.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
  	     * @example
  	     *
  	     * var object = { 'a': 1 };
  	     * var other = { 'a': 1 };
  	     *
  	     * _.eq(object, object);
  	     * // => true
  	     *
  	     * _.eq(object, other);
  	     * // => false
  	     *
  	     * _.eq('a', 'a');
  	     * // => true
  	     *
  	     * _.eq('a', Object('a'));
  	     * // => false
  	     *
  	     * _.eq(NaN, NaN);
  	     * // => true
  	     */
  	    function eq(value, other) {
  	      return value === other || (value !== value && other !== other);
  	    }
  
  	    /**
  	     * Checks if `value` is greater than `other`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.9.0
  	     * @category Lang
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @returns {boolean} Returns `true` if `value` is greater than `other`,
  	     *  else `false`.
  	     * @see _.lt
  	     * @example
  	     *
  	     * _.gt(3, 1);
  	     * // => true
  	     *
  	     * _.gt(3, 3);
  	     * // => false
  	     *
  	     * _.gt(1, 3);
  	     * // => false
  	     */
  	    var gt = createRelationalOperation(baseGt);
  
  	    /**
  	     * Checks if `value` is greater than or equal to `other`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.9.0
  	     * @category Lang
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @returns {boolean} Returns `true` if `value` is greater than or equal to
  	     *  `other`, else `false`.
  	     * @see _.lte
  	     * @example
  	     *
  	     * _.gte(3, 1);
  	     * // => true
  	     *
  	     * _.gte(3, 3);
  	     * // => true
  	     *
  	     * _.gte(1, 3);
  	     * // => false
  	     */
  	    var gte = createRelationalOperation(function(value, other) {
  	      return value >= other;
  	    });
  
  	    /**
  	     * Checks if `value` is likely an `arguments` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
  	     *  else `false`.
  	     * @example
  	     *
  	     * _.isArguments(function() { return arguments; }());
  	     * // => true
  	     *
  	     * _.isArguments([1, 2, 3]);
  	     * // => false
  	     */
  	    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
  	      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
  	        !propertyIsEnumerable.call(value, 'callee');
  	    };
  
  	    /**
  	     * Checks if `value` is classified as an `Array` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
  	     * @example
  	     *
  	     * _.isArray([1, 2, 3]);
  	     * // => true
  	     *
  	     * _.isArray(document.body.children);
  	     * // => false
  	     *
  	     * _.isArray('abc');
  	     * // => false
  	     *
  	     * _.isArray(_.noop);
  	     * // => false
  	     */
  	    var isArray = Array.isArray;
  
  	    /**
  	     * Checks if `value` is classified as an `ArrayBuffer` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.3.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
  	     * @example
  	     *
  	     * _.isArrayBuffer(new ArrayBuffer(2));
  	     * // => true
  	     *
  	     * _.isArrayBuffer(new Array(2));
  	     * // => false
  	     */
  	    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;
  
  	    /**
  	     * Checks if `value` is array-like. A value is considered array-like if it's
  	     * not a function and has a `value.length` that's an integer greater than or
  	     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
  	     * @example
  	     *
  	     * _.isArrayLike([1, 2, 3]);
  	     * // => true
  	     *
  	     * _.isArrayLike(document.body.children);
  	     * // => true
  	     *
  	     * _.isArrayLike('abc');
  	     * // => true
  	     *
  	     * _.isArrayLike(_.noop);
  	     * // => false
  	     */
  	    function isArrayLike(value) {
  	      return value != null && isLength(value.length) && !isFunction(value);
  	    }
  
  	    /**
  	     * This method is like `_.isArrayLike` except that it also checks if `value`
  	     * is an object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is an array-like object,
  	     *  else `false`.
  	     * @example
  	     *
  	     * _.isArrayLikeObject([1, 2, 3]);
  	     * // => true
  	     *
  	     * _.isArrayLikeObject(document.body.children);
  	     * // => true
  	     *
  	     * _.isArrayLikeObject('abc');
  	     * // => false
  	     *
  	     * _.isArrayLikeObject(_.noop);
  	     * // => false
  	     */
  	    function isArrayLikeObject(value) {
  	      return isObjectLike(value) && isArrayLike(value);
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a boolean primitive or object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
  	     * @example
  	     *
  	     * _.isBoolean(false);
  	     * // => true
  	     *
  	     * _.isBoolean(null);
  	     * // => false
  	     */
  	    function isBoolean(value) {
  	      return value === true || value === false ||
  	        (isObjectLike(value) && baseGetTag(value) == boolTag);
  	    }
  
  	    /**
  	     * Checks if `value` is a buffer.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.3.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
  	     * @example
  	     *
  	     * _.isBuffer(new Buffer(2));
  	     * // => true
  	     *
  	     * _.isBuffer(new Uint8Array(2));
  	     * // => false
  	     */
  	    var isBuffer = nativeIsBuffer || stubFalse;
  
  	    /**
  	     * Checks if `value` is classified as a `Date` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
  	     * @example
  	     *
  	     * _.isDate(new Date);
  	     * // => true
  	     *
  	     * _.isDate('Mon April 23 2012');
  	     * // => false
  	     */
  	    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;
  
  	    /**
  	     * Checks if `value` is likely a DOM element.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
  	     * @example
  	     *
  	     * _.isElement(document.body);
  	     * // => true
  	     *
  	     * _.isElement('<body>');
  	     * // => false
  	     */
  	    function isElement(value) {
  	      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
  	    }
  
  	    /**
  	     * Checks if `value` is an empty object, collection, map, or set.
  	     *
  	     * Objects are considered empty if they have no own enumerable string keyed
  	     * properties.
  	     *
  	     * Array-like values such as `arguments` objects, arrays, buffers, strings, or
  	     * jQuery-like collections are considered empty if they have a `length` of `0`.
  	     * Similarly, maps and sets are considered empty if they have a `size` of `0`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
  	     * @example
  	     *
  	     * _.isEmpty(null);
  	     * // => true
  	     *
  	     * _.isEmpty(true);
  	     * // => true
  	     *
  	     * _.isEmpty(1);
  	     * // => true
  	     *
  	     * _.isEmpty([1, 2, 3]);
  	     * // => false
  	     *
  	     * _.isEmpty({ 'a': 1 });
  	     * // => false
  	     */
  	    function isEmpty(value) {
  	      if (value == null) {
  	        return true;
  	      }
  	      if (isArrayLike(value) &&
  	          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
  	            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
  	        return !value.length;
  	      }
  	      var tag = getTag(value);
  	      if (tag == mapTag || tag == setTag) {
  	        return !value.size;
  	      }
  	      if (isPrototype(value)) {
  	        return !baseKeys(value).length;
  	      }
  	      for (var key in value) {
  	        if (hasOwnProperty.call(value, key)) {
  	          return false;
  	        }
  	      }
  	      return true;
  	    }
  
  	    /**
  	     * Performs a deep comparison between two values to determine if they are
  	     * equivalent.
  	     *
  	     * **Note:** This method supports comparing arrays, array buffers, booleans,
  	     * date objects, error objects, maps, numbers, `Object` objects, regexes,
  	     * sets, strings, symbols, and typed arrays. `Object` objects are compared
  	     * by their own, not inherited, enumerable properties. Functions and DOM
  	     * nodes are compared by strict equality, i.e. `===`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
  	     * @example
  	     *
  	     * var object = { 'a': 1 };
  	     * var other = { 'a': 1 };
  	     *
  	     * _.isEqual(object, other);
  	     * // => true
  	     *
  	     * object === other;
  	     * // => false
  	     */
  	    function isEqual(value, other) {
  	      return baseIsEqual(value, other);
  	    }
  
  	    /**
  	     * This method is like `_.isEqual` except that it accepts `customizer` which
  	     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
  	     * are handled by the method instead. The `customizer` is invoked with up to
  	     * six arguments: (objValue, othValue [, index|key, object, other, stack]).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @param {Function} [customizer] The function to customize comparisons.
  	     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
  	     * @example
  	     *
  	     * function isGreeting(value) {
  	     *   return /^h(?:i|ello)$/.test(value);
  	     * }
  	     *
  	     * function customizer(objValue, othValue) {
  	     *   if (isGreeting(objValue) && isGreeting(othValue)) {
  	     *     return true;
  	     *   }
  	     * }
  	     *
  	     * var array = ['hello', 'goodbye'];
  	     * var other = ['hi', 'goodbye'];
  	     *
  	     * _.isEqualWith(array, other, customizer);
  	     * // => true
  	     */
  	    function isEqualWith(value, other, customizer) {
  	      customizer = typeof customizer == 'function' ? customizer : undefined;
  	      var result = customizer ? customizer(value, other) : undefined;
  	      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
  	    }
  
  	    /**
  	     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
  	     * `SyntaxError`, `TypeError`, or `URIError` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
  	     * @example
  	     *
  	     * _.isError(new Error);
  	     * // => true
  	     *
  	     * _.isError(Error);
  	     * // => false
  	     */
  	    function isError(value) {
  	      if (!isObjectLike(value)) {
  	        return false;
  	      }
  	      var tag = baseGetTag(value);
  	      return tag == errorTag || tag == domExcTag ||
  	        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
  	    }
  
  	    /**
  	     * Checks if `value` is a finite primitive number.
  	     *
  	     * **Note:** This method is based on
  	     * [`Number.isFinite`](https://mdn.io/Number/isFinite).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
  	     * @example
  	     *
  	     * _.isFinite(3);
  	     * // => true
  	     *
  	     * _.isFinite(Number.MIN_VALUE);
  	     * // => true
  	     *
  	     * _.isFinite(Infinity);
  	     * // => false
  	     *
  	     * _.isFinite('3');
  	     * // => false
  	     */
  	    function isFinite(value) {
  	      return typeof value == 'number' && nativeIsFinite(value);
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a `Function` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a function, else `false`.
  	     * @example
  	     *
  	     * _.isFunction(_);
  	     * // => true
  	     *
  	     * _.isFunction(/abc/);
  	     * // => false
  	     */
  	    function isFunction(value) {
  	      if (!isObject(value)) {
  	        return false;
  	      }
  	      // The use of `Object#toString` avoids issues with the `typeof` operator
  	      // in Safari 9 which returns 'object' for typed arrays and other constructors.
  	      var tag = baseGetTag(value);
  	      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
  	    }
  
  	    /**
  	     * Checks if `value` is an integer.
  	     *
  	     * **Note:** This method is based on
  	     * [`Number.isInteger`](https://mdn.io/Number/isInteger).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
  	     * @example
  	     *
  	     * _.isInteger(3);
  	     * // => true
  	     *
  	     * _.isInteger(Number.MIN_VALUE);
  	     * // => false
  	     *
  	     * _.isInteger(Infinity);
  	     * // => false
  	     *
  	     * _.isInteger('3');
  	     * // => false
  	     */
  	    function isInteger(value) {
  	      return typeof value == 'number' && value == toInteger(value);
  	    }
  
  	    /**
  	     * Checks if `value` is a valid array-like length.
  	     *
  	     * **Note:** This method is loosely based on
  	     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
  	     * @example
  	     *
  	     * _.isLength(3);
  	     * // => true
  	     *
  	     * _.isLength(Number.MIN_VALUE);
  	     * // => false
  	     *
  	     * _.isLength(Infinity);
  	     * // => false
  	     *
  	     * _.isLength('3');
  	     * // => false
  	     */
  	    function isLength(value) {
  	      return typeof value == 'number' &&
  	        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
  	    }
  
  	    /**
  	     * Checks if `value` is the
  	     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
  	     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
  	     * @example
  	     *
  	     * _.isObject({});
  	     * // => true
  	     *
  	     * _.isObject([1, 2, 3]);
  	     * // => true
  	     *
  	     * _.isObject(_.noop);
  	     * // => true
  	     *
  	     * _.isObject(null);
  	     * // => false
  	     */
  	    function isObject(value) {
  	      var type = typeof value;
  	      return value != null && (type == 'object' || type == 'function');
  	    }
  
  	    /**
  	     * Checks if `value` is object-like. A value is object-like if it's not `null`
  	     * and has a `typeof` result of "object".
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
  	     * @example
  	     *
  	     * _.isObjectLike({});
  	     * // => true
  	     *
  	     * _.isObjectLike([1, 2, 3]);
  	     * // => true
  	     *
  	     * _.isObjectLike(_.noop);
  	     * // => false
  	     *
  	     * _.isObjectLike(null);
  	     * // => false
  	     */
  	    function isObjectLike(value) {
  	      return value != null && typeof value == 'object';
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a `Map` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.3.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
  	     * @example
  	     *
  	     * _.isMap(new Map);
  	     * // => true
  	     *
  	     * _.isMap(new WeakMap);
  	     * // => false
  	     */
  	    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
  
  	    /**
  	     * Performs a partial deep comparison between `object` and `source` to
  	     * determine if `object` contains equivalent property values.
  	     *
  	     * **Note:** This method is equivalent to `_.matches` when `source` is
  	     * partially applied.
  	     *
  	     * Partial comparisons will match empty array and empty object `source`
  	     * values against any array or object value, respectively. See `_.isEqual`
  	     * for a list of supported value comparisons.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Lang
  	     * @param {Object} object The object to inspect.
  	     * @param {Object} source The object of property values to match.
  	     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
  	     * @example
  	     *
  	     * var object = { 'a': 1, 'b': 2 };
  	     *
  	     * _.isMatch(object, { 'b': 2 });
  	     * // => true
  	     *
  	     * _.isMatch(object, { 'b': 1 });
  	     * // => false
  	     */
  	    function isMatch(object, source) {
  	      return object === source || baseIsMatch(object, source, getMatchData(source));
  	    }
  
  	    /**
  	     * This method is like `_.isMatch` except that it accepts `customizer` which
  	     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
  	     * are handled by the method instead. The `customizer` is invoked with five
  	     * arguments: (objValue, srcValue, index|key, object, source).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {Object} object The object to inspect.
  	     * @param {Object} source The object of property values to match.
  	     * @param {Function} [customizer] The function to customize comparisons.
  	     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
  	     * @example
  	     *
  	     * function isGreeting(value) {
  	     *   return /^h(?:i|ello)$/.test(value);
  	     * }
  	     *
  	     * function customizer(objValue, srcValue) {
  	     *   if (isGreeting(objValue) && isGreeting(srcValue)) {
  	     *     return true;
  	     *   }
  	     * }
  	     *
  	     * var object = { 'greeting': 'hello' };
  	     * var source = { 'greeting': 'hi' };
  	     *
  	     * _.isMatchWith(object, source, customizer);
  	     * // => true
  	     */
  	    function isMatchWith(object, source, customizer) {
  	      customizer = typeof customizer == 'function' ? customizer : undefined;
  	      return baseIsMatch(object, source, getMatchData(source), customizer);
  	    }
  
  	    /**
  	     * Checks if `value` is `NaN`.
  	     *
  	     * **Note:** This method is based on
  	     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
  	     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
  	     * `undefined` and other non-number values.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
  	     * @example
  	     *
  	     * _.isNaN(NaN);
  	     * // => true
  	     *
  	     * _.isNaN(new Number(NaN));
  	     * // => true
  	     *
  	     * isNaN(undefined);
  	     * // => true
  	     *
  	     * _.isNaN(undefined);
  	     * // => false
  	     */
  	    function isNaN(value) {
  	      // An `NaN` primitive is the only value that is not equal to itself.
  	      // Perform the `toStringTag` check first to avoid errors with some
  	      // ActiveX objects in IE.
  	      return isNumber(value) && value != +value;
  	    }
  
  	    /**
  	     * Checks if `value` is a pristine native function.
  	     *
  	     * **Note:** This method can't reliably detect native functions in the presence
  	     * of the core-js package because core-js circumvents this kind of detection.
  	     * Despite multiple requests, the core-js maintainer has made it clear: any
  	     * attempt to fix the detection will be obstructed. As a result, we're left
  	     * with little choice but to throw an error. Unfortunately, this also affects
  	     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
  	     * which rely on core-js.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a native function,
  	     *  else `false`.
  	     * @example
  	     *
  	     * _.isNative(Array.prototype.push);
  	     * // => true
  	     *
  	     * _.isNative(_);
  	     * // => false
  	     */
  	    function isNative(value) {
  	      if (isMaskable(value)) {
  	        throw new Error(CORE_ERROR_TEXT);
  	      }
  	      return baseIsNative(value);
  	    }
  
  	    /**
  	     * Checks if `value` is `null`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
  	     * @example
  	     *
  	     * _.isNull(null);
  	     * // => true
  	     *
  	     * _.isNull(void 0);
  	     * // => false
  	     */
  	    function isNull(value) {
  	      return value === null;
  	    }
  
  	    /**
  	     * Checks if `value` is `null` or `undefined`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
  	     * @example
  	     *
  	     * _.isNil(null);
  	     * // => true
  	     *
  	     * _.isNil(void 0);
  	     * // => true
  	     *
  	     * _.isNil(NaN);
  	     * // => false
  	     */
  	    function isNil(value) {
  	      return value == null;
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a `Number` primitive or object.
  	     *
  	     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
  	     * classified as numbers, use the `_.isFinite` method.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a number, else `false`.
  	     * @example
  	     *
  	     * _.isNumber(3);
  	     * // => true
  	     *
  	     * _.isNumber(Number.MIN_VALUE);
  	     * // => true
  	     *
  	     * _.isNumber(Infinity);
  	     * // => true
  	     *
  	     * _.isNumber('3');
  	     * // => false
  	     */
  	    function isNumber(value) {
  	      return typeof value == 'number' ||
  	        (isObjectLike(value) && baseGetTag(value) == numberTag);
  	    }
  
  	    /**
  	     * Checks if `value` is a plain object, that is, an object created by the
  	     * `Object` constructor or one with a `[[Prototype]]` of `null`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.8.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     * }
  	     *
  	     * _.isPlainObject(new Foo);
  	     * // => false
  	     *
  	     * _.isPlainObject([1, 2, 3]);
  	     * // => false
  	     *
  	     * _.isPlainObject({ 'x': 0, 'y': 0 });
  	     * // => true
  	     *
  	     * _.isPlainObject(Object.create(null));
  	     * // => true
  	     */
  	    function isPlainObject(value) {
  	      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
  	        return false;
  	      }
  	      var proto = getPrototype(value);
  	      if (proto === null) {
  	        return true;
  	      }
  	      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
  	      return typeof Ctor == 'function' && Ctor instanceof Ctor &&
  	        funcToString.call(Ctor) == objectCtorString;
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a `RegExp` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.1.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
  	     * @example
  	     *
  	     * _.isRegExp(/abc/);
  	     * // => true
  	     *
  	     * _.isRegExp('/abc/');
  	     * // => false
  	     */
  	    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;
  
  	    /**
  	     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
  	     * double precision number which isn't the result of a rounded unsafe integer.
  	     *
  	     * **Note:** This method is based on
  	     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
  	     * @example
  	     *
  	     * _.isSafeInteger(3);
  	     * // => true
  	     *
  	     * _.isSafeInteger(Number.MIN_VALUE);
  	     * // => false
  	     *
  	     * _.isSafeInteger(Infinity);
  	     * // => false
  	     *
  	     * _.isSafeInteger('3');
  	     * // => false
  	     */
  	    function isSafeInteger(value) {
  	      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a `Set` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.3.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
  	     * @example
  	     *
  	     * _.isSet(new Set);
  	     * // => true
  	     *
  	     * _.isSet(new WeakSet);
  	     * // => false
  	     */
  	    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;
  
  	    /**
  	     * Checks if `value` is classified as a `String` primitive or object.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a string, else `false`.
  	     * @example
  	     *
  	     * _.isString('abc');
  	     * // => true
  	     *
  	     * _.isString(1);
  	     * // => false
  	     */
  	    function isString(value) {
  	      return typeof value == 'string' ||
  	        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a `Symbol` primitive or object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
  	     * @example
  	     *
  	     * _.isSymbol(Symbol.iterator);
  	     * // => true
  	     *
  	     * _.isSymbol('abc');
  	     * // => false
  	     */
  	    function isSymbol(value) {
  	      return typeof value == 'symbol' ||
  	        (isObjectLike(value) && baseGetTag(value) == symbolTag);
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a typed array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
  	     * @example
  	     *
  	     * _.isTypedArray(new Uint8Array);
  	     * // => true
  	     *
  	     * _.isTypedArray([]);
  	     * // => false
  	     */
  	    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
  
  	    /**
  	     * Checks if `value` is `undefined`.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
  	     * @example
  	     *
  	     * _.isUndefined(void 0);
  	     * // => true
  	     *
  	     * _.isUndefined(null);
  	     * // => false
  	     */
  	    function isUndefined(value) {
  	      return value === undefined;
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a `WeakMap` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.3.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
  	     * @example
  	     *
  	     * _.isWeakMap(new WeakMap);
  	     * // => true
  	     *
  	     * _.isWeakMap(new Map);
  	     * // => false
  	     */
  	    function isWeakMap(value) {
  	      return isObjectLike(value) && getTag(value) == weakMapTag;
  	    }
  
  	    /**
  	     * Checks if `value` is classified as a `WeakSet` object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.3.0
  	     * @category Lang
  	     * @param {*} value The value to check.
  	     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
  	     * @example
  	     *
  	     * _.isWeakSet(new WeakSet);
  	     * // => true
  	     *
  	     * _.isWeakSet(new Set);
  	     * // => false
  	     */
  	    function isWeakSet(value) {
  	      return isObjectLike(value) && baseGetTag(value) == weakSetTag;
  	    }
  
  	    /**
  	     * Checks if `value` is less than `other`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.9.0
  	     * @category Lang
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @returns {boolean} Returns `true` if `value` is less than `other`,
  	     *  else `false`.
  	     * @see _.gt
  	     * @example
  	     *
  	     * _.lt(1, 3);
  	     * // => true
  	     *
  	     * _.lt(3, 3);
  	     * // => false
  	     *
  	     * _.lt(3, 1);
  	     * // => false
  	     */
  	    var lt = createRelationalOperation(baseLt);
  
  	    /**
  	     * Checks if `value` is less than or equal to `other`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.9.0
  	     * @category Lang
  	     * @param {*} value The value to compare.
  	     * @param {*} other The other value to compare.
  	     * @returns {boolean} Returns `true` if `value` is less than or equal to
  	     *  `other`, else `false`.
  	     * @see _.gte
  	     * @example
  	     *
  	     * _.lte(1, 3);
  	     * // => true
  	     *
  	     * _.lte(3, 3);
  	     * // => true
  	     *
  	     * _.lte(3, 1);
  	     * // => false
  	     */
  	    var lte = createRelationalOperation(function(value, other) {
  	      return value <= other;
  	    });
  
  	    /**
  	     * Converts `value` to an array.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Lang
  	     * @param {*} value The value to convert.
  	     * @returns {Array} Returns the converted array.
  	     * @example
  	     *
  	     * _.toArray({ 'a': 1, 'b': 2 });
  	     * // => [1, 2]
  	     *
  	     * _.toArray('abc');
  	     * // => ['a', 'b', 'c']
  	     *
  	     * _.toArray(1);
  	     * // => []
  	     *
  	     * _.toArray(null);
  	     * // => []
  	     */
  	    function toArray(value) {
  	      if (!value) {
  	        return [];
  	      }
  	      if (isArrayLike(value)) {
  	        return isString(value) ? stringToArray(value) : copyArray(value);
  	      }
  	      if (symIterator && value[symIterator]) {
  	        return iteratorToArray(value[symIterator]());
  	      }
  	      var tag = getTag(value),
  	          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
  
  	      return func(value);
  	    }
  
  	    /**
  	     * Converts `value` to a finite number.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.12.0
  	     * @category Lang
  	     * @param {*} value The value to convert.
  	     * @returns {number} Returns the converted number.
  	     * @example
  	     *
  	     * _.toFinite(3.2);
  	     * // => 3.2
  	     *
  	     * _.toFinite(Number.MIN_VALUE);
  	     * // => 5e-324
  	     *
  	     * _.toFinite(Infinity);
  	     * // => 1.7976931348623157e+308
  	     *
  	     * _.toFinite('3.2');
  	     * // => 3.2
  	     */
  	    function toFinite(value) {
  	      if (!value) {
  	        return value === 0 ? value : 0;
  	      }
  	      value = toNumber(value);
  	      if (value === INFINITY || value === -INFINITY) {
  	        var sign = (value < 0 ? -1 : 1);
  	        return sign * MAX_INTEGER;
  	      }
  	      return value === value ? value : 0;
  	    }
  
  	    /**
  	     * Converts `value` to an integer.
  	     *
  	     * **Note:** This method is loosely based on
  	     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to convert.
  	     * @returns {number} Returns the converted integer.
  	     * @example
  	     *
  	     * _.toInteger(3.2);
  	     * // => 3
  	     *
  	     * _.toInteger(Number.MIN_VALUE);
  	     * // => 0
  	     *
  	     * _.toInteger(Infinity);
  	     * // => 1.7976931348623157e+308
  	     *
  	     * _.toInteger('3.2');
  	     * // => 3
  	     */
  	    function toInteger(value) {
  	      var result = toFinite(value),
  	          remainder = result % 1;
  
  	      return result === result ? (remainder ? result - remainder : result) : 0;
  	    }
  
  	    /**
  	     * Converts `value` to an integer suitable for use as the length of an
  	     * array-like object.
  	     *
  	     * **Note:** This method is based on
  	     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to convert.
  	     * @returns {number} Returns the converted integer.
  	     * @example
  	     *
  	     * _.toLength(3.2);
  	     * // => 3
  	     *
  	     * _.toLength(Number.MIN_VALUE);
  	     * // => 0
  	     *
  	     * _.toLength(Infinity);
  	     * // => 4294967295
  	     *
  	     * _.toLength('3.2');
  	     * // => 3
  	     */
  	    function toLength(value) {
  	      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
  	    }
  
  	    /**
  	     * Converts `value` to a number.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to process.
  	     * @returns {number} Returns the number.
  	     * @example
  	     *
  	     * _.toNumber(3.2);
  	     * // => 3.2
  	     *
  	     * _.toNumber(Number.MIN_VALUE);
  	     * // => 5e-324
  	     *
  	     * _.toNumber(Infinity);
  	     * // => Infinity
  	     *
  	     * _.toNumber('3.2');
  	     * // => 3.2
  	     */
  	    function toNumber(value) {
  	      if (typeof value == 'number') {
  	        return value;
  	      }
  	      if (isSymbol(value)) {
  	        return NAN;
  	      }
  	      if (isObject(value)) {
  	        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
  	        value = isObject(other) ? (other + '') : other;
  	      }
  	      if (typeof value != 'string') {
  	        return value === 0 ? value : +value;
  	      }
  	      value = value.replace(reTrim, '');
  	      var isBinary = reIsBinary.test(value);
  	      return (isBinary || reIsOctal.test(value))
  	        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
  	        : (reIsBadHex.test(value) ? NAN : +value);
  	    }
  
  	    /**
  	     * Converts `value` to a plain object flattening inherited enumerable string
  	     * keyed properties of `value` to own properties of the plain object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Lang
  	     * @param {*} value The value to convert.
  	     * @returns {Object} Returns the converted plain object.
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.assign({ 'a': 1 }, new Foo);
  	     * // => { 'a': 1, 'b': 2 }
  	     *
  	     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
  	     * // => { 'a': 1, 'b': 2, 'c': 3 }
  	     */
  	    function toPlainObject(value) {
  	      return copyObject(value, keysIn(value));
  	    }
  
  	    /**
  	     * Converts `value` to a safe integer. A safe integer can be compared and
  	     * represented correctly.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to convert.
  	     * @returns {number} Returns the converted integer.
  	     * @example
  	     *
  	     * _.toSafeInteger(3.2);
  	     * // => 3
  	     *
  	     * _.toSafeInteger(Number.MIN_VALUE);
  	     * // => 0
  	     *
  	     * _.toSafeInteger(Infinity);
  	     * // => 9007199254740991
  	     *
  	     * _.toSafeInteger('3.2');
  	     * // => 3
  	     */
  	    function toSafeInteger(value) {
  	      return value
  	        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
  	        : (value === 0 ? value : 0);
  	    }
  
  	    /**
  	     * Converts `value` to a string. An empty string is returned for `null`
  	     * and `undefined` values. The sign of `-0` is preserved.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Lang
  	     * @param {*} value The value to convert.
  	     * @returns {string} Returns the converted string.
  	     * @example
  	     *
  	     * _.toString(null);
  	     * // => ''
  	     *
  	     * _.toString(-0);
  	     * // => '-0'
  	     *
  	     * _.toString([1, 2, 3]);
  	     * // => '1,2,3'
  	     */
  	    function toString(value) {
  	      return value == null ? '' : baseToString(value);
  	    }
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Assigns own enumerable string keyed properties of source objects to the
  	     * destination object. Source objects are applied from left to right.
  	     * Subsequent sources overwrite property assignments of previous sources.
  	     *
  	     * **Note:** This method mutates `object` and is loosely based on
  	     * [`Object.assign`](https://mdn.io/Object/assign).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.10.0
  	     * @category Object
  	     * @param {Object} object The destination object.
  	     * @param {...Object} [sources] The source objects.
  	     * @returns {Object} Returns `object`.
  	     * @see _.assignIn
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     * }
  	     *
  	     * function Bar() {
  	     *   this.c = 3;
  	     * }
  	     *
  	     * Foo.prototype.b = 2;
  	     * Bar.prototype.d = 4;
  	     *
  	     * _.assign({ 'a': 0 }, new Foo, new Bar);
  	     * // => { 'a': 1, 'c': 3 }
  	     */
  	    var assign = createAssigner(function(object, source) {
  	      if (isPrototype(source) || isArrayLike(source)) {
  	        copyObject(source, keys(source), object);
  	        return;
  	      }
  	      for (var key in source) {
  	        if (hasOwnProperty.call(source, key)) {
  	          assignValue(object, key, source[key]);
  	        }
  	      }
  	    });
  
  	    /**
  	     * This method is like `_.assign` except that it iterates over own and
  	     * inherited source properties.
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @alias extend
  	     * @category Object
  	     * @param {Object} object The destination object.
  	     * @param {...Object} [sources] The source objects.
  	     * @returns {Object} Returns `object`.
  	     * @see _.assign
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     * }
  	     *
  	     * function Bar() {
  	     *   this.c = 3;
  	     * }
  	     *
  	     * Foo.prototype.b = 2;
  	     * Bar.prototype.d = 4;
  	     *
  	     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
  	     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
  	     */
  	    var assignIn = createAssigner(function(object, source) {
  	      copyObject(source, keysIn(source), object);
  	    });
  
  	    /**
  	     * This method is like `_.assignIn` except that it accepts `customizer`
  	     * which is invoked to produce the assigned values. If `customizer` returns
  	     * `undefined`, assignment is handled by the method instead. The `customizer`
  	     * is invoked with five arguments: (objValue, srcValue, key, object, source).
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @alias extendWith
  	     * @category Object
  	     * @param {Object} object The destination object.
  	     * @param {...Object} sources The source objects.
  	     * @param {Function} [customizer] The function to customize assigned values.
  	     * @returns {Object} Returns `object`.
  	     * @see _.assignWith
  	     * @example
  	     *
  	     * function customizer(objValue, srcValue) {
  	     *   return _.isUndefined(objValue) ? srcValue : objValue;
  	     * }
  	     *
  	     * var defaults = _.partialRight(_.assignInWith, customizer);
  	     *
  	     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
  	     * // => { 'a': 1, 'b': 2 }
  	     */
  	    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
  	      copyObject(source, keysIn(source), object, customizer);
  	    });
  
  	    /**
  	     * This method is like `_.assign` except that it accepts `customizer`
  	     * which is invoked to produce the assigned values. If `customizer` returns
  	     * `undefined`, assignment is handled by the method instead. The `customizer`
  	     * is invoked with five arguments: (objValue, srcValue, key, object, source).
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Object
  	     * @param {Object} object The destination object.
  	     * @param {...Object} sources The source objects.
  	     * @param {Function} [customizer] The function to customize assigned values.
  	     * @returns {Object} Returns `object`.
  	     * @see _.assignInWith
  	     * @example
  	     *
  	     * function customizer(objValue, srcValue) {
  	     *   return _.isUndefined(objValue) ? srcValue : objValue;
  	     * }
  	     *
  	     * var defaults = _.partialRight(_.assignWith, customizer);
  	     *
  	     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
  	     * // => { 'a': 1, 'b': 2 }
  	     */
  	    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
  	      copyObject(source, keys(source), object, customizer);
  	    });
  
  	    /**
  	     * Creates an array of values corresponding to `paths` of `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 1.0.0
  	     * @category Object
  	     * @param {Object} object The object to iterate over.
  	     * @param {...(string|string[])} [paths] The property paths to pick.
  	     * @returns {Array} Returns the picked values.
  	     * @example
  	     *
  	     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
  	     *
  	     * _.at(object, ['a[0].b.c', 'a[1]']);
  	     * // => [3, 4]
  	     */
  	    var at = flatRest(baseAt);
  
  	    /**
  	     * Creates an object that inherits from the `prototype` object. If a
  	     * `properties` object is given, its own enumerable string keyed properties
  	     * are assigned to the created object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.3.0
  	     * @category Object
  	     * @param {Object} prototype The object to inherit from.
  	     * @param {Object} [properties] The properties to assign to the object.
  	     * @returns {Object} Returns the new object.
  	     * @example
  	     *
  	     * function Shape() {
  	     *   this.x = 0;
  	     *   this.y = 0;
  	     * }
  	     *
  	     * function Circle() {
  	     *   Shape.call(this);
  	     * }
  	     *
  	     * Circle.prototype = _.create(Shape.prototype, {
  	     *   'constructor': Circle
  	     * });
  	     *
  	     * var circle = new Circle;
  	     * circle instanceof Circle;
  	     * // => true
  	     *
  	     * circle instanceof Shape;
  	     * // => true
  	     */
  	    function create(prototype, properties) {
  	      var result = baseCreate(prototype);
  	      return properties == null ? result : baseAssign(result, properties);
  	    }
  
  	    /**
  	     * Assigns own and inherited enumerable string keyed properties of source
  	     * objects to the destination object for all destination properties that
  	     * resolve to `undefined`. Source objects are applied from left to right.
  	     * Once a property is set, additional values of the same property are ignored.
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Object
  	     * @param {Object} object The destination object.
  	     * @param {...Object} [sources] The source objects.
  	     * @returns {Object} Returns `object`.
  	     * @see _.defaultsDeep
  	     * @example
  	     *
  	     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
  	     * // => { 'a': 1, 'b': 2 }
  	     */
  	    var defaults = baseRest(function(object, sources) {
  	      object = Object(object);
  
  	      var index = -1;
  	      var length = sources.length;
  	      var guard = length > 2 ? sources[2] : undefined;
  
  	      if (guard && isIterateeCall(sources[0], sources[1], guard)) {
  	        length = 1;
  	      }
  
  	      while (++index < length) {
  	        var source = sources[index];
  	        var props = keysIn(source);
  	        var propsIndex = -1;
  	        var propsLength = props.length;
  
  	        while (++propsIndex < propsLength) {
  	          var key = props[propsIndex];
  	          var value = object[key];
  
  	          if (value === undefined ||
  	              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
  	            object[key] = source[key];
  	          }
  	        }
  	      }
  
  	      return object;
  	    });
  
  	    /**
  	     * This method is like `_.defaults` except that it recursively assigns
  	     * default properties.
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.10.0
  	     * @category Object
  	     * @param {Object} object The destination object.
  	     * @param {...Object} [sources] The source objects.
  	     * @returns {Object} Returns `object`.
  	     * @see _.defaults
  	     * @example
  	     *
  	     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
  	     * // => { 'a': { 'b': 2, 'c': 3 } }
  	     */
  	    var defaultsDeep = baseRest(function(args) {
  	      args.push(undefined, customDefaultsMerge);
  	      return apply(mergeWith, undefined, args);
  	    });
  
  	    /**
  	     * This method is like `_.find` except that it returns the key of the first
  	     * element `predicate` returns truthy for instead of the element itself.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 1.1.0
  	     * @category Object
  	     * @param {Object} object The object to inspect.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {string|undefined} Returns the key of the matched element,
  	     *  else `undefined`.
  	     * @example
  	     *
  	     * var users = {
  	     *   'barney':  { 'age': 36, 'active': true },
  	     *   'fred':    { 'age': 40, 'active': false },
  	     *   'pebbles': { 'age': 1,  'active': true }
  	     * };
  	     *
  	     * _.findKey(users, function(o) { return o.age < 40; });
  	     * // => 'barney' (iteration order is not guaranteed)
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.findKey(users, { 'age': 1, 'active': true });
  	     * // => 'pebbles'
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.findKey(users, ['active', false]);
  	     * // => 'fred'
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.findKey(users, 'active');
  	     * // => 'barney'
  	     */
  	    function findKey(object, predicate) {
  	      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
  	    }
  
  	    /**
  	     * This method is like `_.findKey` except that it iterates over elements of
  	     * a collection in the opposite order.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @category Object
  	     * @param {Object} object The object to inspect.
  	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
  	     * @returns {string|undefined} Returns the key of the matched element,
  	     *  else `undefined`.
  	     * @example
  	     *
  	     * var users = {
  	     *   'barney':  { 'age': 36, 'active': true },
  	     *   'fred':    { 'age': 40, 'active': false },
  	     *   'pebbles': { 'age': 1,  'active': true }
  	     * };
  	     *
  	     * _.findLastKey(users, function(o) { return o.age < 40; });
  	     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.findLastKey(users, { 'age': 36, 'active': true });
  	     * // => 'barney'
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.findLastKey(users, ['active', false]);
  	     * // => 'fred'
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.findLastKey(users, 'active');
  	     * // => 'pebbles'
  	     */
  	    function findLastKey(object, predicate) {
  	      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
  	    }
  
  	    /**
  	     * Iterates over own and inherited enumerable string keyed properties of an
  	     * object and invokes `iteratee` for each property. The iteratee is invoked
  	     * with three arguments: (value, key, object). Iteratee functions may exit
  	     * iteration early by explicitly returning `false`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.3.0
  	     * @category Object
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Object} Returns `object`.
  	     * @see _.forInRight
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.forIn(new Foo, function(value, key) {
  	     *   console.log(key);
  	     * });
  	     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
  	     */
  	    function forIn(object, iteratee) {
  	      return object == null
  	        ? object
  	        : baseFor(object, getIteratee(iteratee, 3), keysIn);
  	    }
  
  	    /**
  	     * This method is like `_.forIn` except that it iterates over properties of
  	     * `object` in the opposite order.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @category Object
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Object} Returns `object`.
  	     * @see _.forIn
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.forInRight(new Foo, function(value, key) {
  	     *   console.log(key);
  	     * });
  	     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
  	     */
  	    function forInRight(object, iteratee) {
  	      return object == null
  	        ? object
  	        : baseForRight(object, getIteratee(iteratee, 3), keysIn);
  	    }
  
  	    /**
  	     * Iterates over own enumerable string keyed properties of an object and
  	     * invokes `iteratee` for each property. The iteratee is invoked with three
  	     * arguments: (value, key, object). Iteratee functions may exit iteration
  	     * early by explicitly returning `false`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.3.0
  	     * @category Object
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Object} Returns `object`.
  	     * @see _.forOwnRight
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.forOwn(new Foo, function(value, key) {
  	     *   console.log(key);
  	     * });
  	     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
  	     */
  	    function forOwn(object, iteratee) {
  	      return object && baseForOwn(object, getIteratee(iteratee, 3));
  	    }
  
  	    /**
  	     * This method is like `_.forOwn` except that it iterates over properties of
  	     * `object` in the opposite order.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.0.0
  	     * @category Object
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Object} Returns `object`.
  	     * @see _.forOwn
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.forOwnRight(new Foo, function(value, key) {
  	     *   console.log(key);
  	     * });
  	     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
  	     */
  	    function forOwnRight(object, iteratee) {
  	      return object && baseForOwnRight(object, getIteratee(iteratee, 3));
  	    }
  
  	    /**
  	     * Creates an array of function property names from own enumerable properties
  	     * of `object`.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Object
  	     * @param {Object} object The object to inspect.
  	     * @returns {Array} Returns the function names.
  	     * @see _.functionsIn
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = _.constant('a');
  	     *   this.b = _.constant('b');
  	     * }
  	     *
  	     * Foo.prototype.c = _.constant('c');
  	     *
  	     * _.functions(new Foo);
  	     * // => ['a', 'b']
  	     */
  	    function functions(object) {
  	      return object == null ? [] : baseFunctions(object, keys(object));
  	    }
  
  	    /**
  	     * Creates an array of function property names from own and inherited
  	     * enumerable properties of `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Object
  	     * @param {Object} object The object to inspect.
  	     * @returns {Array} Returns the function names.
  	     * @see _.functions
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = _.constant('a');
  	     *   this.b = _.constant('b');
  	     * }
  	     *
  	     * Foo.prototype.c = _.constant('c');
  	     *
  	     * _.functionsIn(new Foo);
  	     * // => ['a', 'b', 'c']
  	     */
  	    function functionsIn(object) {
  	      return object == null ? [] : baseFunctions(object, keysIn(object));
  	    }
  
  	    /**
  	     * Gets the value at `path` of `object`. If the resolved value is
  	     * `undefined`, the `defaultValue` is returned in its place.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.7.0
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @param {Array|string} path The path of the property to get.
  	     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
  	     * @returns {*} Returns the resolved value.
  	     * @example
  	     *
  	     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
  	     *
  	     * _.get(object, 'a[0].b.c');
  	     * // => 3
  	     *
  	     * _.get(object, ['a', '0', 'b', 'c']);
  	     * // => 3
  	     *
  	     * _.get(object, 'a.b.c', 'default');
  	     * // => 'default'
  	     */
  	    function get(object, path, defaultValue) {
  	      var result = object == null ? undefined : baseGet(object, path);
  	      return result === undefined ? defaultValue : result;
  	    }
  
  	    /**
  	     * Checks if `path` is a direct property of `object`.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @param {Array|string} path The path to check.
  	     * @returns {boolean} Returns `true` if `path` exists, else `false`.
  	     * @example
  	     *
  	     * var object = { 'a': { 'b': 2 } };
  	     * var other = _.create({ 'a': _.create({ 'b': 2 }) });
  	     *
  	     * _.has(object, 'a');
  	     * // => true
  	     *
  	     * _.has(object, 'a.b');
  	     * // => true
  	     *
  	     * _.has(object, ['a', 'b']);
  	     * // => true
  	     *
  	     * _.has(other, 'a');
  	     * // => false
  	     */
  	    function has(object, path) {
  	      return object != null && hasPath(object, path, baseHas);
  	    }
  
  	    /**
  	     * Checks if `path` is a direct or inherited property of `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @param {Array|string} path The path to check.
  	     * @returns {boolean} Returns `true` if `path` exists, else `false`.
  	     * @example
  	     *
  	     * var object = _.create({ 'a': _.create({ 'b': 2 }) });
  	     *
  	     * _.hasIn(object, 'a');
  	     * // => true
  	     *
  	     * _.hasIn(object, 'a.b');
  	     * // => true
  	     *
  	     * _.hasIn(object, ['a', 'b']);
  	     * // => true
  	     *
  	     * _.hasIn(object, 'b');
  	     * // => false
  	     */
  	    function hasIn(object, path) {
  	      return object != null && hasPath(object, path, baseHasIn);
  	    }
  
  	    /**
  	     * Creates an object composed of the inverted keys and values of `object`.
  	     * If `object` contains duplicate values, subsequent values overwrite
  	     * property assignments of previous values.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.7.0
  	     * @category Object
  	     * @param {Object} object The object to invert.
  	     * @returns {Object} Returns the new inverted object.
  	     * @example
  	     *
  	     * var object = { 'a': 1, 'b': 2, 'c': 1 };
  	     *
  	     * _.invert(object);
  	     * // => { '1': 'c', '2': 'b' }
  	     */
  	    var invert = createInverter(function(result, value, key) {
  	      if (value != null &&
  	          typeof value.toString != 'function') {
  	        value = nativeObjectToString.call(value);
  	      }
  
  	      result[value] = key;
  	    }, constant(identity));
  
  	    /**
  	     * This method is like `_.invert` except that the inverted object is generated
  	     * from the results of running each element of `object` thru `iteratee`. The
  	     * corresponding inverted value of each inverted key is an array of keys
  	     * responsible for generating the inverted value. The iteratee is invoked
  	     * with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.1.0
  	     * @category Object
  	     * @param {Object} object The object to invert.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {Object} Returns the new inverted object.
  	     * @example
  	     *
  	     * var object = { 'a': 1, 'b': 2, 'c': 1 };
  	     *
  	     * _.invertBy(object);
  	     * // => { '1': ['a', 'c'], '2': ['b'] }
  	     *
  	     * _.invertBy(object, function(value) {
  	     *   return 'group' + value;
  	     * });
  	     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
  	     */
  	    var invertBy = createInverter(function(result, value, key) {
  	      if (value != null &&
  	          typeof value.toString != 'function') {
  	        value = nativeObjectToString.call(value);
  	      }
  
  	      if (hasOwnProperty.call(result, value)) {
  	        result[value].push(key);
  	      } else {
  	        result[value] = [key];
  	      }
  	    }, getIteratee);
  
  	    /**
  	     * Invokes the method at `path` of `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @param {Array|string} path The path of the method to invoke.
  	     * @param {...*} [args] The arguments to invoke the method with.
  	     * @returns {*} Returns the result of the invoked method.
  	     * @example
  	     *
  	     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
  	     *
  	     * _.invoke(object, 'a[0].b.c.slice', 1, 3);
  	     * // => [2, 3]
  	     */
  	    var invoke = baseRest(baseInvoke);
  
  	    /**
  	     * Creates an array of the own enumerable property names of `object`.
  	     *
  	     * **Note:** Non-object values are coerced to objects. See the
  	     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
  	     * for more details.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of property names.
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.keys(new Foo);
  	     * // => ['a', 'b'] (iteration order is not guaranteed)
  	     *
  	     * _.keys('hi');
  	     * // => ['0', '1']
  	     */
  	    function keys(object) {
  	      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
  	    }
  
  	    /**
  	     * Creates an array of the own and inherited enumerable property names of `object`.
  	     *
  	     * **Note:** Non-object values are coerced to objects.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of property names.
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.keysIn(new Foo);
  	     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
  	     */
  	    function keysIn(object) {
  	      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
  	    }
  
  	    /**
  	     * The opposite of `_.mapValues`; this method creates an object with the
  	     * same values as `object` and keys generated by running each own enumerable
  	     * string keyed property of `object` thru `iteratee`. The iteratee is invoked
  	     * with three arguments: (value, key, object).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.8.0
  	     * @category Object
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Object} Returns the new mapped object.
  	     * @see _.mapValues
  	     * @example
  	     *
  	     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
  	     *   return key + value;
  	     * });
  	     * // => { 'a1': 1, 'b2': 2 }
  	     */
  	    function mapKeys(object, iteratee) {
  	      var result = {};
  	      iteratee = getIteratee(iteratee, 3);
  
  	      baseForOwn(object, function(value, key, object) {
  	        baseAssignValue(result, iteratee(value, key, object), value);
  	      });
  	      return result;
  	    }
  
  	    /**
  	     * Creates an object with the same keys as `object` and values generated
  	     * by running each own enumerable string keyed property of `object` thru
  	     * `iteratee`. The iteratee is invoked with three arguments:
  	     * (value, key, object).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.4.0
  	     * @category Object
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Object} Returns the new mapped object.
  	     * @see _.mapKeys
  	     * @example
  	     *
  	     * var users = {
  	     *   'fred':    { 'user': 'fred',    'age': 40 },
  	     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
  	     * };
  	     *
  	     * _.mapValues(users, function(o) { return o.age; });
  	     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.mapValues(users, 'age');
  	     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
  	     */
  	    function mapValues(object, iteratee) {
  	      var result = {};
  	      iteratee = getIteratee(iteratee, 3);
  
  	      baseForOwn(object, function(value, key, object) {
  	        baseAssignValue(result, key, iteratee(value, key, object));
  	      });
  	      return result;
  	    }
  
  	    /**
  	     * This method is like `_.assign` except that it recursively merges own and
  	     * inherited enumerable string keyed properties of source objects into the
  	     * destination object. Source properties that resolve to `undefined` are
  	     * skipped if a destination value exists. Array and plain object properties
  	     * are merged recursively. Other objects and value types are overridden by
  	     * assignment. Source objects are applied from left to right. Subsequent
  	     * sources overwrite property assignments of previous sources.
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.5.0
  	     * @category Object
  	     * @param {Object} object The destination object.
  	     * @param {...Object} [sources] The source objects.
  	     * @returns {Object} Returns `object`.
  	     * @example
  	     *
  	     * var object = {
  	     *   'a': [{ 'b': 2 }, { 'd': 4 }]
  	     * };
  	     *
  	     * var other = {
  	     *   'a': [{ 'c': 3 }, { 'e': 5 }]
  	     * };
  	     *
  	     * _.merge(object, other);
  	     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
  	     */
  	    var merge = createAssigner(function(object, source, srcIndex) {
  	      baseMerge(object, source, srcIndex);
  	    });
  
  	    /**
  	     * This method is like `_.merge` except that it accepts `customizer` which
  	     * is invoked to produce the merged values of the destination and source
  	     * properties. If `customizer` returns `undefined`, merging is handled by the
  	     * method instead. The `customizer` is invoked with six arguments:
  	     * (objValue, srcValue, key, object, source, stack).
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Object
  	     * @param {Object} object The destination object.
  	     * @param {...Object} sources The source objects.
  	     * @param {Function} customizer The function to customize assigned values.
  	     * @returns {Object} Returns `object`.
  	     * @example
  	     *
  	     * function customizer(objValue, srcValue) {
  	     *   if (_.isArray(objValue)) {
  	     *     return objValue.concat(srcValue);
  	     *   }
  	     * }
  	     *
  	     * var object = { 'a': [1], 'b': [2] };
  	     * var other = { 'a': [3], 'b': [4] };
  	     *
  	     * _.mergeWith(object, other, customizer);
  	     * // => { 'a': [1, 3], 'b': [2, 4] }
  	     */
  	    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
  	      baseMerge(object, source, srcIndex, customizer);
  	    });
  
  	    /**
  	     * The opposite of `_.pick`; this method creates an object composed of the
  	     * own and inherited enumerable property paths of `object` that are not omitted.
  	     *
  	     * **Note:** This method is considerably slower than `_.pick`.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Object
  	     * @param {Object} object The source object.
  	     * @param {...(string|string[])} [paths] The property paths to omit.
  	     * @returns {Object} Returns the new object.
  	     * @example
  	     *
  	     * var object = { 'a': 1, 'b': '2', 'c': 3 };
  	     *
  	     * _.omit(object, ['a', 'c']);
  	     * // => { 'b': '2' }
  	     */
  	    var omit = flatRest(function(object, paths) {
  	      var result = {};
  	      if (object == null) {
  	        return result;
  	      }
  	      var isDeep = false;
  	      paths = arrayMap(paths, function(path) {
  	        path = castPath(path, object);
  	        isDeep || (isDeep = path.length > 1);
  	        return path;
  	      });
  	      copyObject(object, getAllKeysIn(object), result);
  	      if (isDeep) {
  	        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
  	      }
  	      var length = paths.length;
  	      while (length--) {
  	        baseUnset(result, paths[length]);
  	      }
  	      return result;
  	    });
  
  	    /**
  	     * The opposite of `_.pickBy`; this method creates an object composed of
  	     * the own and inherited enumerable string keyed properties of `object` that
  	     * `predicate` doesn't return truthy for. The predicate is invoked with two
  	     * arguments: (value, key).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Object
  	     * @param {Object} object The source object.
  	     * @param {Function} [predicate=_.identity] The function invoked per property.
  	     * @returns {Object} Returns the new object.
  	     * @example
  	     *
  	     * var object = { 'a': 1, 'b': '2', 'c': 3 };
  	     *
  	     * _.omitBy(object, _.isNumber);
  	     * // => { 'b': '2' }
  	     */
  	    function omitBy(object, predicate) {
  	      return pickBy(object, negate(getIteratee(predicate)));
  	    }
  
  	    /**
  	     * Creates an object composed of the picked `object` properties.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Object
  	     * @param {Object} object The source object.
  	     * @param {...(string|string[])} [paths] The property paths to pick.
  	     * @returns {Object} Returns the new object.
  	     * @example
  	     *
  	     * var object = { 'a': 1, 'b': '2', 'c': 3 };
  	     *
  	     * _.pick(object, ['a', 'c']);
  	     * // => { 'a': 1, 'c': 3 }
  	     */
  	    var pick = flatRest(function(object, paths) {
  	      return object == null ? {} : basePick(object, paths);
  	    });
  
  	    /**
  	     * Creates an object composed of the `object` properties `predicate` returns
  	     * truthy for. The predicate is invoked with two arguments: (value, key).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Object
  	     * @param {Object} object The source object.
  	     * @param {Function} [predicate=_.identity] The function invoked per property.
  	     * @returns {Object} Returns the new object.
  	     * @example
  	     *
  	     * var object = { 'a': 1, 'b': '2', 'c': 3 };
  	     *
  	     * _.pickBy(object, _.isNumber);
  	     * // => { 'a': 1, 'c': 3 }
  	     */
  	    function pickBy(object, predicate) {
  	      if (object == null) {
  	        return {};
  	      }
  	      var props = arrayMap(getAllKeysIn(object), function(prop) {
  	        return [prop];
  	      });
  	      predicate = getIteratee(predicate);
  	      return basePickBy(object, props, function(value, path) {
  	        return predicate(value, path[0]);
  	      });
  	    }
  
  	    /**
  	     * This method is like `_.get` except that if the resolved value is a
  	     * function it's invoked with the `this` binding of its parent object and
  	     * its result is returned.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @param {Array|string} path The path of the property to resolve.
  	     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
  	     * @returns {*} Returns the resolved value.
  	     * @example
  	     *
  	     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
  	     *
  	     * _.result(object, 'a[0].b.c1');
  	     * // => 3
  	     *
  	     * _.result(object, 'a[0].b.c2');
  	     * // => 4
  	     *
  	     * _.result(object, 'a[0].b.c3', 'default');
  	     * // => 'default'
  	     *
  	     * _.result(object, 'a[0].b.c3', _.constant('default'));
  	     * // => 'default'
  	     */
  	    function result(object, path, defaultValue) {
  	      path = castPath(path, object);
  
  	      var index = -1,
  	          length = path.length;
  
  	      // Ensure the loop is entered when path is empty.
  	      if (!length) {
  	        length = 1;
  	        object = undefined;
  	      }
  	      while (++index < length) {
  	        var value = object == null ? undefined : object[toKey(path[index])];
  	        if (value === undefined) {
  	          index = length;
  	          value = defaultValue;
  	        }
  	        object = isFunction(value) ? value.call(object) : value;
  	      }
  	      return object;
  	    }
  
  	    /**
  	     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
  	     * it's created. Arrays are created for missing index properties while objects
  	     * are created for all other missing properties. Use `_.setWith` to customize
  	     * `path` creation.
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.7.0
  	     * @category Object
  	     * @param {Object} object The object to modify.
  	     * @param {Array|string} path The path of the property to set.
  	     * @param {*} value The value to set.
  	     * @returns {Object} Returns `object`.
  	     * @example
  	     *
  	     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
  	     *
  	     * _.set(object, 'a[0].b.c', 4);
  	     * console.log(object.a[0].b.c);
  	     * // => 4
  	     *
  	     * _.set(object, ['x', '0', 'y', 'z'], 5);
  	     * console.log(object.x[0].y.z);
  	     * // => 5
  	     */
  	    function set(object, path, value) {
  	      return object == null ? object : baseSet(object, path, value);
  	    }
  
  	    /**
  	     * This method is like `_.set` except that it accepts `customizer` which is
  	     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
  	     * path creation is handled by the method instead. The `customizer` is invoked
  	     * with three arguments: (nsValue, key, nsObject).
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Object
  	     * @param {Object} object The object to modify.
  	     * @param {Array|string} path The path of the property to set.
  	     * @param {*} value The value to set.
  	     * @param {Function} [customizer] The function to customize assigned values.
  	     * @returns {Object} Returns `object`.
  	     * @example
  	     *
  	     * var object = {};
  	     *
  	     * _.setWith(object, '[0][1]', 'a', Object);
  	     * // => { '0': { '1': 'a' } }
  	     */
  	    function setWith(object, path, value, customizer) {
  	      customizer = typeof customizer == 'function' ? customizer : undefined;
  	      return object == null ? object : baseSet(object, path, value, customizer);
  	    }
  
  	    /**
  	     * Creates an array of own enumerable string keyed-value pairs for `object`
  	     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
  	     * entries are returned.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @alias entries
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the key-value pairs.
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.toPairs(new Foo);
  	     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
  	     */
  	    var toPairs = createToPairs(keys);
  
  	    /**
  	     * Creates an array of own and inherited enumerable string keyed-value pairs
  	     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
  	     * or set, its entries are returned.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @alias entriesIn
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the key-value pairs.
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.toPairsIn(new Foo);
  	     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
  	     */
  	    var toPairsIn = createToPairs(keysIn);
  
  	    /**
  	     * An alternative to `_.reduce`; this method transforms `object` to a new
  	     * `accumulator` object which is the result of running each of its own
  	     * enumerable string keyed properties thru `iteratee`, with each invocation
  	     * potentially mutating the `accumulator` object. If `accumulator` is not
  	     * provided, a new object with the same `[[Prototype]]` will be used. The
  	     * iteratee is invoked with four arguments: (accumulator, value, key, object).
  	     * Iteratee functions may exit iteration early by explicitly returning `false`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 1.3.0
  	     * @category Object
  	     * @param {Object} object The object to iterate over.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @param {*} [accumulator] The custom accumulator value.
  	     * @returns {*} Returns the accumulated value.
  	     * @example
  	     *
  	     * _.transform([2, 3, 4], function(result, n) {
  	     *   result.push(n *= n);
  	     *   return n % 2 == 0;
  	     * }, []);
  	     * // => [4, 9]
  	     *
  	     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
  	     *   (result[value] || (result[value] = [])).push(key);
  	     * }, {});
  	     * // => { '1': ['a', 'c'], '2': ['b'] }
  	     */
  	    function transform(object, iteratee, accumulator) {
  	      var isArr = isArray(object),
  	          isArrLike = isArr || isBuffer(object) || isTypedArray(object);
  
  	      iteratee = getIteratee(iteratee, 4);
  	      if (accumulator == null) {
  	        var Ctor = object && object.constructor;
  	        if (isArrLike) {
  	          accumulator = isArr ? new Ctor : [];
  	        }
  	        else if (isObject(object)) {
  	          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
  	        }
  	        else {
  	          accumulator = {};
  	        }
  	      }
  	      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
  	        return iteratee(accumulator, value, index, object);
  	      });
  	      return accumulator;
  	    }
  
  	    /**
  	     * Removes the property at `path` of `object`.
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Object
  	     * @param {Object} object The object to modify.
  	     * @param {Array|string} path The path of the property to unset.
  	     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
  	     * @example
  	     *
  	     * var object = { 'a': [{ 'b': { 'c': 7 } }] };
  	     * _.unset(object, 'a[0].b.c');
  	     * // => true
  	     *
  	     * console.log(object);
  	     * // => { 'a': [{ 'b': {} }] };
  	     *
  	     * _.unset(object, ['a', '0', 'b', 'c']);
  	     * // => true
  	     *
  	     * console.log(object);
  	     * // => { 'a': [{ 'b': {} }] };
  	     */
  	    function unset(object, path) {
  	      return object == null ? true : baseUnset(object, path);
  	    }
  
  	    /**
  	     * This method is like `_.set` except that accepts `updater` to produce the
  	     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
  	     * is invoked with one argument: (value).
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.6.0
  	     * @category Object
  	     * @param {Object} object The object to modify.
  	     * @param {Array|string} path The path of the property to set.
  	     * @param {Function} updater The function to produce the updated value.
  	     * @returns {Object} Returns `object`.
  	     * @example
  	     *
  	     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
  	     *
  	     * _.update(object, 'a[0].b.c', function(n) { return n * n; });
  	     * console.log(object.a[0].b.c);
  	     * // => 9
  	     *
  	     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
  	     * console.log(object.x[0].y.z);
  	     * // => 0
  	     */
  	    function update(object, path, updater) {
  	      return object == null ? object : baseUpdate(object, path, castFunction(updater));
  	    }
  
  	    /**
  	     * This method is like `_.update` except that it accepts `customizer` which is
  	     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
  	     * path creation is handled by the method instead. The `customizer` is invoked
  	     * with three arguments: (nsValue, key, nsObject).
  	     *
  	     * **Note:** This method mutates `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.6.0
  	     * @category Object
  	     * @param {Object} object The object to modify.
  	     * @param {Array|string} path The path of the property to set.
  	     * @param {Function} updater The function to produce the updated value.
  	     * @param {Function} [customizer] The function to customize assigned values.
  	     * @returns {Object} Returns `object`.
  	     * @example
  	     *
  	     * var object = {};
  	     *
  	     * _.updateWith(object, '[0][1]', _.constant('a'), Object);
  	     * // => { '0': { '1': 'a' } }
  	     */
  	    function updateWith(object, path, updater, customizer) {
  	      customizer = typeof customizer == 'function' ? customizer : undefined;
  	      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
  	    }
  
  	    /**
  	     * Creates an array of the own enumerable string keyed property values of `object`.
  	     *
  	     * **Note:** Non-object values are coerced to objects.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of property values.
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.values(new Foo);
  	     * // => [1, 2] (iteration order is not guaranteed)
  	     *
  	     * _.values('hi');
  	     * // => ['h', 'i']
  	     */
  	    function values(object) {
  	      return object == null ? [] : baseValues(object, keys(object));
  	    }
  
  	    /**
  	     * Creates an array of the own and inherited enumerable string keyed property
  	     * values of `object`.
  	     *
  	     * **Note:** Non-object values are coerced to objects.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Object
  	     * @param {Object} object The object to query.
  	     * @returns {Array} Returns the array of property values.
  	     * @example
  	     *
  	     * function Foo() {
  	     *   this.a = 1;
  	     *   this.b = 2;
  	     * }
  	     *
  	     * Foo.prototype.c = 3;
  	     *
  	     * _.valuesIn(new Foo);
  	     * // => [1, 2, 3] (iteration order is not guaranteed)
  	     */
  	    function valuesIn(object) {
  	      return object == null ? [] : baseValues(object, keysIn(object));
  	    }
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Clamps `number` within the inclusive `lower` and `upper` bounds.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Number
  	     * @param {number} number The number to clamp.
  	     * @param {number} [lower] The lower bound.
  	     * @param {number} upper The upper bound.
  	     * @returns {number} Returns the clamped number.
  	     * @example
  	     *
  	     * _.clamp(-10, -5, 5);
  	     * // => -5
  	     *
  	     * _.clamp(10, -5, 5);
  	     * // => 5
  	     */
  	    function clamp(number, lower, upper) {
  	      if (upper === undefined) {
  	        upper = lower;
  	        lower = undefined;
  	      }
  	      if (upper !== undefined) {
  	        upper = toNumber(upper);
  	        upper = upper === upper ? upper : 0;
  	      }
  	      if (lower !== undefined) {
  	        lower = toNumber(lower);
  	        lower = lower === lower ? lower : 0;
  	      }
  	      return baseClamp(toNumber(number), lower, upper);
  	    }
  
  	    /**
  	     * Checks if `n` is between `start` and up to, but not including, `end`. If
  	     * `end` is not specified, it's set to `start` with `start` then set to `0`.
  	     * If `start` is greater than `end` the params are swapped to support
  	     * negative ranges.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.3.0
  	     * @category Number
  	     * @param {number} number The number to check.
  	     * @param {number} [start=0] The start of the range.
  	     * @param {number} end The end of the range.
  	     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
  	     * @see _.range, _.rangeRight
  	     * @example
  	     *
  	     * _.inRange(3, 2, 4);
  	     * // => true
  	     *
  	     * _.inRange(4, 8);
  	     * // => true
  	     *
  	     * _.inRange(4, 2);
  	     * // => false
  	     *
  	     * _.inRange(2, 2);
  	     * // => false
  	     *
  	     * _.inRange(1.2, 2);
  	     * // => true
  	     *
  	     * _.inRange(5.2, 4);
  	     * // => false
  	     *
  	     * _.inRange(-3, -2, -6);
  	     * // => true
  	     */
  	    function inRange(number, start, end) {
  	      start = toFinite(start);
  	      if (end === undefined) {
  	        end = start;
  	        start = 0;
  	      } else {
  	        end = toFinite(end);
  	      }
  	      number = toNumber(number);
  	      return baseInRange(number, start, end);
  	    }
  
  	    /**
  	     * Produces a random number between the inclusive `lower` and `upper` bounds.
  	     * If only one argument is provided a number between `0` and the given number
  	     * is returned. If `floating` is `true`, or either `lower` or `upper` are
  	     * floats, a floating-point number is returned instead of an integer.
  	     *
  	     * **Note:** JavaScript follows the IEEE-754 standard for resolving
  	     * floating-point values which can produce unexpected results.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.7.0
  	     * @category Number
  	     * @param {number} [lower=0] The lower bound.
  	     * @param {number} [upper=1] The upper bound.
  	     * @param {boolean} [floating] Specify returning a floating-point number.
  	     * @returns {number} Returns the random number.
  	     * @example
  	     *
  	     * _.random(0, 5);
  	     * // => an integer between 0 and 5
  	     *
  	     * _.random(5);
  	     * // => also an integer between 0 and 5
  	     *
  	     * _.random(5, true);
  	     * // => a floating-point number between 0 and 5
  	     *
  	     * _.random(1.2, 5.2);
  	     * // => a floating-point number between 1.2 and 5.2
  	     */
  	    function random(lower, upper, floating) {
  	      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
  	        upper = floating = undefined;
  	      }
  	      if (floating === undefined) {
  	        if (typeof upper == 'boolean') {
  	          floating = upper;
  	          upper = undefined;
  	        }
  	        else if (typeof lower == 'boolean') {
  	          floating = lower;
  	          lower = undefined;
  	        }
  	      }
  	      if (lower === undefined && upper === undefined) {
  	        lower = 0;
  	        upper = 1;
  	      }
  	      else {
  	        lower = toFinite(lower);
  	        if (upper === undefined) {
  	          upper = lower;
  	          lower = 0;
  	        } else {
  	          upper = toFinite(upper);
  	        }
  	      }
  	      if (lower > upper) {
  	        var temp = lower;
  	        lower = upper;
  	        upper = temp;
  	      }
  	      if (floating || lower % 1 || upper % 1) {
  	        var rand = nativeRandom();
  	        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
  	      }
  	      return baseRandom(lower, upper);
  	    }
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the camel cased string.
  	     * @example
  	     *
  	     * _.camelCase('Foo Bar');
  	     * // => 'fooBar'
  	     *
  	     * _.camelCase('--foo-bar--');
  	     * // => 'fooBar'
  	     *
  	     * _.camelCase('__FOO_BAR__');
  	     * // => 'fooBar'
  	     */
  	    var camelCase = createCompounder(function(result, word, index) {
  	      word = word.toLowerCase();
  	      return result + (index ? capitalize(word) : word);
  	    });
  
  	    /**
  	     * Converts the first character of `string` to upper case and the remaining
  	     * to lower case.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to capitalize.
  	     * @returns {string} Returns the capitalized string.
  	     * @example
  	     *
  	     * _.capitalize('FRED');
  	     * // => 'Fred'
  	     */
  	    function capitalize(string) {
  	      return upperFirst(toString(string).toLowerCase());
  	    }
  
  	    /**
  	     * Deburrs `string` by converting
  	     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
  	     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
  	     * letters to basic Latin letters and removing
  	     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to deburr.
  	     * @returns {string} Returns the deburred string.
  	     * @example
  	     *
  	     * _.deburr('déjà vu');
  	     * // => 'deja vu'
  	     */
  	    function deburr(string) {
  	      string = toString(string);
  	      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
  	    }
  
  	    /**
  	     * Checks if `string` ends with the given target string.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to inspect.
  	     * @param {string} [target] The string to search for.
  	     * @param {number} [position=string.length] The position to search up to.
  	     * @returns {boolean} Returns `true` if `string` ends with `target`,
  	     *  else `false`.
  	     * @example
  	     *
  	     * _.endsWith('abc', 'c');
  	     * // => true
  	     *
  	     * _.endsWith('abc', 'b');
  	     * // => false
  	     *
  	     * _.endsWith('abc', 'b', 2);
  	     * // => true
  	     */
  	    function endsWith(string, target, position) {
  	      string = toString(string);
  	      target = baseToString(target);
  
  	      var length = string.length;
  	      position = position === undefined
  	        ? length
  	        : baseClamp(toInteger(position), 0, length);
  
  	      var end = position;
  	      position -= target.length;
  	      return position >= 0 && string.slice(position, end) == target;
  	    }
  
  	    /**
  	     * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
  	     * corresponding HTML entities.
  	     *
  	     * **Note:** No other characters are escaped. To escape additional
  	     * characters use a third-party library like [_he_](https://mths.be/he).
  	     *
  	     * Though the ">" character is escaped for symmetry, characters like
  	     * ">" and "/" don't need escaping in HTML and have no special meaning
  	     * unless they're part of a tag or unquoted attribute value. See
  	     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
  	     * (under "semi-related fun fact") for more details.
  	     *
  	     * When working with HTML you should always
  	     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
  	     * XSS vectors.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category String
  	     * @param {string} [string=''] The string to escape.
  	     * @returns {string} Returns the escaped string.
  	     * @example
  	     *
  	     * _.escape('fred, barney, & pebbles');
  	     * // => 'fred, barney, &amp; pebbles'
  	     */
  	    function escape(string) {
  	      string = toString(string);
  	      return (string && reHasUnescapedHtml.test(string))
  	        ? string.replace(reUnescapedHtml, escapeHtmlChar)
  	        : string;
  	    }
  
  	    /**
  	     * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
  	     * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to escape.
  	     * @returns {string} Returns the escaped string.
  	     * @example
  	     *
  	     * _.escapeRegExp('[lodash](https://lodash.com/)');
  	     * // => '\[lodash\]\(https://lodash\.com/\)'
  	     */
  	    function escapeRegExp(string) {
  	      string = toString(string);
  	      return (string && reHasRegExpChar.test(string))
  	        ? string.replace(reRegExpChar, '\\$&')
  	        : string;
  	    }
  
  	    /**
  	     * Converts `string` to
  	     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the kebab cased string.
  	     * @example
  	     *
  	     * _.kebabCase('Foo Bar');
  	     * // => 'foo-bar'
  	     *
  	     * _.kebabCase('fooBar');
  	     * // => 'foo-bar'
  	     *
  	     * _.kebabCase('__FOO_BAR__');
  	     * // => 'foo-bar'
  	     */
  	    var kebabCase = createCompounder(function(result, word, index) {
  	      return result + (index ? '-' : '') + word.toLowerCase();
  	    });
  
  	    /**
  	     * Converts `string`, as space separated words, to lower case.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the lower cased string.
  	     * @example
  	     *
  	     * _.lowerCase('--Foo-Bar--');
  	     * // => 'foo bar'
  	     *
  	     * _.lowerCase('fooBar');
  	     * // => 'foo bar'
  	     *
  	     * _.lowerCase('__FOO_BAR__');
  	     * // => 'foo bar'
  	     */
  	    var lowerCase = createCompounder(function(result, word, index) {
  	      return result + (index ? ' ' : '') + word.toLowerCase();
  	    });
  
  	    /**
  	     * Converts the first character of `string` to lower case.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the converted string.
  	     * @example
  	     *
  	     * _.lowerFirst('Fred');
  	     * // => 'fred'
  	     *
  	     * _.lowerFirst('FRED');
  	     * // => 'fRED'
  	     */
  	    var lowerFirst = createCaseFirst('toLowerCase');
  
  	    /**
  	     * Pads `string` on the left and right sides if it's shorter than `length`.
  	     * Padding characters are truncated if they can't be evenly divided by `length`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to pad.
  	     * @param {number} [length=0] The padding length.
  	     * @param {string} [chars=' '] The string used as padding.
  	     * @returns {string} Returns the padded string.
  	     * @example
  	     *
  	     * _.pad('abc', 8);
  	     * // => '  abc   '
  	     *
  	     * _.pad('abc', 8, '_-');
  	     * // => '_-abc_-_'
  	     *
  	     * _.pad('abc', 3);
  	     * // => 'abc'
  	     */
  	    function pad(string, length, chars) {
  	      string = toString(string);
  	      length = toInteger(length);
  
  	      var strLength = length ? stringSize(string) : 0;
  	      if (!length || strLength >= length) {
  	        return string;
  	      }
  	      var mid = (length - strLength) / 2;
  	      return (
  	        createPadding(nativeFloor(mid), chars) +
  	        string +
  	        createPadding(nativeCeil(mid), chars)
  	      );
  	    }
  
  	    /**
  	     * Pads `string` on the right side if it's shorter than `length`. Padding
  	     * characters are truncated if they exceed `length`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to pad.
  	     * @param {number} [length=0] The padding length.
  	     * @param {string} [chars=' '] The string used as padding.
  	     * @returns {string} Returns the padded string.
  	     * @example
  	     *
  	     * _.padEnd('abc', 6);
  	     * // => 'abc   '
  	     *
  	     * _.padEnd('abc', 6, '_-');
  	     * // => 'abc_-_'
  	     *
  	     * _.padEnd('abc', 3);
  	     * // => 'abc'
  	     */
  	    function padEnd(string, length, chars) {
  	      string = toString(string);
  	      length = toInteger(length);
  
  	      var strLength = length ? stringSize(string) : 0;
  	      return (length && strLength < length)
  	        ? (string + createPadding(length - strLength, chars))
  	        : string;
  	    }
  
  	    /**
  	     * Pads `string` on the left side if it's shorter than `length`. Padding
  	     * characters are truncated if they exceed `length`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to pad.
  	     * @param {number} [length=0] The padding length.
  	     * @param {string} [chars=' '] The string used as padding.
  	     * @returns {string} Returns the padded string.
  	     * @example
  	     *
  	     * _.padStart('abc', 6);
  	     * // => '   abc'
  	     *
  	     * _.padStart('abc', 6, '_-');
  	     * // => '_-_abc'
  	     *
  	     * _.padStart('abc', 3);
  	     * // => 'abc'
  	     */
  	    function padStart(string, length, chars) {
  	      string = toString(string);
  	      length = toInteger(length);
  
  	      var strLength = length ? stringSize(string) : 0;
  	      return (length && strLength < length)
  	        ? (createPadding(length - strLength, chars) + string)
  	        : string;
  	    }
  
  	    /**
  	     * Converts `string` to an integer of the specified radix. If `radix` is
  	     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
  	     * hexadecimal, in which case a `radix` of `16` is used.
  	     *
  	     * **Note:** This method aligns with the
  	     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 1.1.0
  	     * @category String
  	     * @param {string} string The string to convert.
  	     * @param {number} [radix=10] The radix to interpret `value` by.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {number} Returns the converted integer.
  	     * @example
  	     *
  	     * _.parseInt('08');
  	     * // => 8
  	     *
  	     * _.map(['6', '08', '10'], _.parseInt);
  	     * // => [6, 8, 10]
  	     */
  	    function parseInt(string, radix, guard) {
  	      if (guard || radix == null) {
  	        radix = 0;
  	      } else if (radix) {
  	        radix = +radix;
  	      }
  	      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
  	    }
  
  	    /**
  	     * Repeats the given string `n` times.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to repeat.
  	     * @param {number} [n=1] The number of times to repeat the string.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {string} Returns the repeated string.
  	     * @example
  	     *
  	     * _.repeat('*', 3);
  	     * // => '***'
  	     *
  	     * _.repeat('abc', 2);
  	     * // => 'abcabc'
  	     *
  	     * _.repeat('abc', 0);
  	     * // => ''
  	     */
  	    function repeat(string, n, guard) {
  	      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
  	        n = 1;
  	      } else {
  	        n = toInteger(n);
  	      }
  	      return baseRepeat(toString(string), n);
  	    }
  
  	    /**
  	     * Replaces matches for `pattern` in `string` with `replacement`.
  	     *
  	     * **Note:** This method is based on
  	     * [`String#replace`](https://mdn.io/String/replace).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to modify.
  	     * @param {RegExp|string} pattern The pattern to replace.
  	     * @param {Function|string} replacement The match replacement.
  	     * @returns {string} Returns the modified string.
  	     * @example
  	     *
  	     * _.replace('Hi Fred', 'Fred', 'Barney');
  	     * // => 'Hi Barney'
  	     */
  	    function replace() {
  	      var args = arguments,
  	          string = toString(args[0]);
  
  	      return args.length < 3 ? string : string.replace(args[1], args[2]);
  	    }
  
  	    /**
  	     * Converts `string` to
  	     * [snake case](https://en.wikipedia.org/wiki/Snake_case).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the snake cased string.
  	     * @example
  	     *
  	     * _.snakeCase('Foo Bar');
  	     * // => 'foo_bar'
  	     *
  	     * _.snakeCase('fooBar');
  	     * // => 'foo_bar'
  	     *
  	     * _.snakeCase('--FOO-BAR--');
  	     * // => 'foo_bar'
  	     */
  	    var snakeCase = createCompounder(function(result, word, index) {
  	      return result + (index ? '_' : '') + word.toLowerCase();
  	    });
  
  	    /**
  	     * Splits `string` by `separator`.
  	     *
  	     * **Note:** This method is based on
  	     * [`String#split`](https://mdn.io/String/split).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to split.
  	     * @param {RegExp|string} separator The separator pattern to split by.
  	     * @param {number} [limit] The length to truncate results to.
  	     * @returns {Array} Returns the string segments.
  	     * @example
  	     *
  	     * _.split('a-b-c', '-', 2);
  	     * // => ['a', 'b']
  	     */
  	    function split(string, separator, limit) {
  	      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
  	        separator = limit = undefined;
  	      }
  	      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
  	      if (!limit) {
  	        return [];
  	      }
  	      string = toString(string);
  	      if (string && (
  	            typeof separator == 'string' ||
  	            (separator != null && !isRegExp(separator))
  	          )) {
  	        separator = baseToString(separator);
  	        if (!separator && hasUnicode(string)) {
  	          return castSlice(stringToArray(string), 0, limit);
  	        }
  	      }
  	      return string.split(separator, limit);
  	    }
  
  	    /**
  	     * Converts `string` to
  	     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.1.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the start cased string.
  	     * @example
  	     *
  	     * _.startCase('--foo-bar--');
  	     * // => 'Foo Bar'
  	     *
  	     * _.startCase('fooBar');
  	     * // => 'Foo Bar'
  	     *
  	     * _.startCase('__FOO_BAR__');
  	     * // => 'FOO BAR'
  	     */
  	    var startCase = createCompounder(function(result, word, index) {
  	      return result + (index ? ' ' : '') + upperFirst(word);
  	    });
  
  	    /**
  	     * Checks if `string` starts with the given target string.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to inspect.
  	     * @param {string} [target] The string to search for.
  	     * @param {number} [position=0] The position to search from.
  	     * @returns {boolean} Returns `true` if `string` starts with `target`,
  	     *  else `false`.
  	     * @example
  	     *
  	     * _.startsWith('abc', 'a');
  	     * // => true
  	     *
  	     * _.startsWith('abc', 'b');
  	     * // => false
  	     *
  	     * _.startsWith('abc', 'b', 1);
  	     * // => true
  	     */
  	    function startsWith(string, target, position) {
  	      string = toString(string);
  	      position = position == null
  	        ? 0
  	        : baseClamp(toInteger(position), 0, string.length);
  
  	      target = baseToString(target);
  	      return string.slice(position, position + target.length) == target;
  	    }
  
  	    /**
  	     * Creates a compiled template function that can interpolate data properties
  	     * in "interpolate" delimiters, HTML-escape interpolated data properties in
  	     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
  	     * properties may be accessed as free variables in the template. If a setting
  	     * object is given, it takes precedence over `_.templateSettings` values.
  	     *
  	     * **Note:** In the development build `_.template` utilizes
  	     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
  	     * for easier debugging.
  	     *
  	     * For more information on precompiling templates see
  	     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
  	     *
  	     * For more information on Chrome extension sandboxes see
  	     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category String
  	     * @param {string} [string=''] The template string.
  	     * @param {Object} [options={}] The options object.
  	     * @param {RegExp} [options.escape=_.templateSettings.escape]
  	     *  The HTML "escape" delimiter.
  	     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
  	     *  The "evaluate" delimiter.
  	     * @param {Object} [options.imports=_.templateSettings.imports]
  	     *  An object to import into the template as free variables.
  	     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
  	     *  The "interpolate" delimiter.
  	     * @param {string} [options.sourceURL='lodash.templateSources[n]']
  	     *  The sourceURL of the compiled template.
  	     * @param {string} [options.variable='obj']
  	     *  The data object variable name.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Function} Returns the compiled template function.
  	     * @example
  	     *
  	     * // Use the "interpolate" delimiter to create a compiled template.
  	     * var compiled = _.template('hello <%= user %>!');
  	     * compiled({ 'user': 'fred' });
  	     * // => 'hello fred!'
  	     *
  	     * // Use the HTML "escape" delimiter to escape data property values.
  	     * var compiled = _.template('<b><%- value %></b>');
  	     * compiled({ 'value': '<script>' });
  	     * // => '<b>&lt;script&gt;</b>'
  	     *
  	     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
  	     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
  	     * compiled({ 'users': ['fred', 'barney'] });
  	     * // => '<li>fred</li><li>barney</li>'
  	     *
  	     * // Use the internal `print` function in "evaluate" delimiters.
  	     * var compiled = _.template('<% print("hello " + user); %>!');
  	     * compiled({ 'user': 'barney' });
  	     * // => 'hello barney!'
  	     *
  	     * // Use the ES template literal delimiter as an "interpolate" delimiter.
  	     * // Disable support by replacing the "interpolate" delimiter.
  	     * var compiled = _.template('hello ${ user }!');
  	     * compiled({ 'user': 'pebbles' });
  	     * // => 'hello pebbles!'
  	     *
  	     * // Use backslashes to treat delimiters as plain text.
  	     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
  	     * compiled({ 'value': 'ignored' });
  	     * // => '<%- value %>'
  	     *
  	     * // Use the `imports` option to import `jQuery` as `jq`.
  	     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
  	     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
  	     * compiled({ 'users': ['fred', 'barney'] });
  	     * // => '<li>fred</li><li>barney</li>'
  	     *
  	     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
  	     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
  	     * compiled(data);
  	     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
  	     *
  	     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
  	     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
  	     * compiled.source;
  	     * // => function(data) {
  	     * //   var __t, __p = '';
  	     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
  	     * //   return __p;
  	     * // }
  	     *
  	     * // Use custom template delimiters.
  	     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
  	     * var compiled = _.template('hello {{ user }}!');
  	     * compiled({ 'user': 'mustache' });
  	     * // => 'hello mustache!'
  	     *
  	     * // Use the `source` property to inline compiled templates for meaningful
  	     * // line numbers in error messages and stack traces.
  	     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
  	     *   var JST = {\
  	     *     "main": ' + _.template(mainText).source + '\
  	     *   };\
  	     * ');
  	     */
  	    function template(string, options, guard) {
  	      // Based on John Resig's `tmpl` implementation
  	      // (http://ejohn.org/blog/javascript-micro-templating/)
  	      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
  	      var settings = lodash.templateSettings;
  
  	      if (guard && isIterateeCall(string, options, guard)) {
  	        options = undefined;
  	      }
  	      string = toString(string);
  	      options = assignInWith({}, options, settings, customDefaultsAssignIn);
  
  	      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
  	          importsKeys = keys(imports),
  	          importsValues = baseValues(imports, importsKeys);
  
  	      var isEscaping,
  	          isEvaluating,
  	          index = 0,
  	          interpolate = options.interpolate || reNoMatch,
  	          source = "__p += '";
  
  	      // Compile the regexp to match each delimiter.
  	      var reDelimiters = RegExp(
  	        (options.escape || reNoMatch).source + '|' +
  	        interpolate.source + '|' +
  	        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
  	        (options.evaluate || reNoMatch).source + '|$'
  	      , 'g');
  
  	      // Use a sourceURL for easier debugging.
  	      var sourceURL = '//# sourceURL=' +
  	        ('sourceURL' in options
  	          ? options.sourceURL
  	          : ('lodash.templateSources[' + (++templateCounter) + ']')
  	        ) + '\n';
  
  	      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
  	        interpolateValue || (interpolateValue = esTemplateValue);
  
  	        // Escape characters that can't be included in string literals.
  	        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);
  
  	        // Replace delimiters with snippets.
  	        if (escapeValue) {
  	          isEscaping = true;
  	          source += "' +\n__e(" + escapeValue + ") +\n'";
  	        }
  	        if (evaluateValue) {
  	          isEvaluating = true;
  	          source += "';\n" + evaluateValue + ";\n__p += '";
  	        }
  	        if (interpolateValue) {
  	          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
  	        }
  	        index = offset + match.length;
  
  	        // The JS engine embedded in Adobe products needs `match` returned in
  	        // order to produce the correct `offset` value.
  	        return match;
  	      });
  
  	      source += "';\n";
  
  	      // If `variable` is not specified wrap a with-statement around the generated
  	      // code to add the data object to the top of the scope chain.
  	      var variable = options.variable;
  	      if (!variable) {
  	        source = 'with (obj) {\n' + source + '\n}\n';
  	      }
  	      // Cleanup code by stripping empty strings.
  	      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
  	        .replace(reEmptyStringMiddle, '$1')
  	        .replace(reEmptyStringTrailing, '$1;');
  
  	      // Frame code as the function body.
  	      source = 'function(' + (variable || 'obj') + ') {\n' +
  	        (variable
  	          ? ''
  	          : 'obj || (obj = {});\n'
  	        ) +
  	        "var __t, __p = ''" +
  	        (isEscaping
  	           ? ', __e = _.escape'
  	           : ''
  	        ) +
  	        (isEvaluating
  	          ? ', __j = Array.prototype.join;\n' +
  	            "function print() { __p += __j.call(arguments, '') }\n"
  	          : ';\n'
  	        ) +
  	        source +
  	        'return __p\n}';
  
  	      var result = attempt(function() {
  	        return Function(importsKeys, sourceURL + 'return ' + source)
  	          .apply(undefined, importsValues);
  	      });
  
  	      // Provide the compiled function's source by its `toString` method or
  	      // the `source` property as a convenience for inlining compiled templates.
  	      result.source = source;
  	      if (isError(result)) {
  	        throw result;
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Converts `string`, as a whole, to lower case just like
  	     * [String#toLowerCase](https://mdn.io/toLowerCase).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the lower cased string.
  	     * @example
  	     *
  	     * _.toLower('--Foo-Bar--');
  	     * // => '--foo-bar--'
  	     *
  	     * _.toLower('fooBar');
  	     * // => 'foobar'
  	     *
  	     * _.toLower('__FOO_BAR__');
  	     * // => '__foo_bar__'
  	     */
  	    function toLower(value) {
  	      return toString(value).toLowerCase();
  	    }
  
  	    /**
  	     * Converts `string`, as a whole, to upper case just like
  	     * [String#toUpperCase](https://mdn.io/toUpperCase).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the upper cased string.
  	     * @example
  	     *
  	     * _.toUpper('--foo-bar--');
  	     * // => '--FOO-BAR--'
  	     *
  	     * _.toUpper('fooBar');
  	     * // => 'FOOBAR'
  	     *
  	     * _.toUpper('__foo_bar__');
  	     * // => '__FOO_BAR__'
  	     */
  	    function toUpper(value) {
  	      return toString(value).toUpperCase();
  	    }
  
  	    /**
  	     * Removes leading and trailing whitespace or specified characters from `string`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to trim.
  	     * @param {string} [chars=whitespace] The characters to trim.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {string} Returns the trimmed string.
  	     * @example
  	     *
  	     * _.trim('  abc  ');
  	     * // => 'abc'
  	     *
  	     * _.trim('-_-abc-_-', '_-');
  	     * // => 'abc'
  	     *
  	     * _.map(['  foo  ', '  bar  '], _.trim);
  	     * // => ['foo', 'bar']
  	     */
  	    function trim(string, chars, guard) {
  	      string = toString(string);
  	      if (string && (guard || chars === undefined)) {
  	        return string.replace(reTrim, '');
  	      }
  	      if (!string || !(chars = baseToString(chars))) {
  	        return string;
  	      }
  	      var strSymbols = stringToArray(string),
  	          chrSymbols = stringToArray(chars),
  	          start = charsStartIndex(strSymbols, chrSymbols),
  	          end = charsEndIndex(strSymbols, chrSymbols) + 1;
  
  	      return castSlice(strSymbols, start, end).join('');
  	    }
  
  	    /**
  	     * Removes trailing whitespace or specified characters from `string`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to trim.
  	     * @param {string} [chars=whitespace] The characters to trim.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {string} Returns the trimmed string.
  	     * @example
  	     *
  	     * _.trimEnd('  abc  ');
  	     * // => '  abc'
  	     *
  	     * _.trimEnd('-_-abc-_-', '_-');
  	     * // => '-_-abc'
  	     */
  	    function trimEnd(string, chars, guard) {
  	      string = toString(string);
  	      if (string && (guard || chars === undefined)) {
  	        return string.replace(reTrimEnd, '');
  	      }
  	      if (!string || !(chars = baseToString(chars))) {
  	        return string;
  	      }
  	      var strSymbols = stringToArray(string),
  	          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
  
  	      return castSlice(strSymbols, 0, end).join('');
  	    }
  
  	    /**
  	     * Removes leading whitespace or specified characters from `string`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to trim.
  	     * @param {string} [chars=whitespace] The characters to trim.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {string} Returns the trimmed string.
  	     * @example
  	     *
  	     * _.trimStart('  abc  ');
  	     * // => 'abc  '
  	     *
  	     * _.trimStart('-_-abc-_-', '_-');
  	     * // => 'abc-_-'
  	     */
  	    function trimStart(string, chars, guard) {
  	      string = toString(string);
  	      if (string && (guard || chars === undefined)) {
  	        return string.replace(reTrimStart, '');
  	      }
  	      if (!string || !(chars = baseToString(chars))) {
  	        return string;
  	      }
  	      var strSymbols = stringToArray(string),
  	          start = charsStartIndex(strSymbols, stringToArray(chars));
  
  	      return castSlice(strSymbols, start).join('');
  	    }
  
  	    /**
  	     * Truncates `string` if it's longer than the given maximum string length.
  	     * The last characters of the truncated string are replaced with the omission
  	     * string which defaults to "...".
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to truncate.
  	     * @param {Object} [options={}] The options object.
  	     * @param {number} [options.length=30] The maximum string length.
  	     * @param {string} [options.omission='...'] The string to indicate text is omitted.
  	     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
  	     * @returns {string} Returns the truncated string.
  	     * @example
  	     *
  	     * _.truncate('hi-diddly-ho there, neighborino');
  	     * // => 'hi-diddly-ho there, neighbo...'
  	     *
  	     * _.truncate('hi-diddly-ho there, neighborino', {
  	     *   'length': 24,
  	     *   'separator': ' '
  	     * });
  	     * // => 'hi-diddly-ho there,...'
  	     *
  	     * _.truncate('hi-diddly-ho there, neighborino', {
  	     *   'length': 24,
  	     *   'separator': /,? +/
  	     * });
  	     * // => 'hi-diddly-ho there...'
  	     *
  	     * _.truncate('hi-diddly-ho there, neighborino', {
  	     *   'omission': ' [...]'
  	     * });
  	     * // => 'hi-diddly-ho there, neig [...]'
  	     */
  	    function truncate(string, options) {
  	      var length = DEFAULT_TRUNC_LENGTH,
  	          omission = DEFAULT_TRUNC_OMISSION;
  
  	      if (isObject(options)) {
  	        var separator = 'separator' in options ? options.separator : separator;
  	        length = 'length' in options ? toInteger(options.length) : length;
  	        omission = 'omission' in options ? baseToString(options.omission) : omission;
  	      }
  	      string = toString(string);
  
  	      var strLength = string.length;
  	      if (hasUnicode(string)) {
  	        var strSymbols = stringToArray(string);
  	        strLength = strSymbols.length;
  	      }
  	      if (length >= strLength) {
  	        return string;
  	      }
  	      var end = length - stringSize(omission);
  	      if (end < 1) {
  	        return omission;
  	      }
  	      var result = strSymbols
  	        ? castSlice(strSymbols, 0, end).join('')
  	        : string.slice(0, end);
  
  	      if (separator === undefined) {
  	        return result + omission;
  	      }
  	      if (strSymbols) {
  	        end += (result.length - end);
  	      }
  	      if (isRegExp(separator)) {
  	        if (string.slice(end).search(separator)) {
  	          var match,
  	              substring = result;
  
  	          if (!separator.global) {
  	            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
  	          }
  	          separator.lastIndex = 0;
  	          while ((match = separator.exec(substring))) {
  	            var newEnd = match.index;
  	          }
  	          result = result.slice(0, newEnd === undefined ? end : newEnd);
  	        }
  	      } else if (string.indexOf(baseToString(separator), end) != end) {
  	        var index = result.lastIndexOf(separator);
  	        if (index > -1) {
  	          result = result.slice(0, index);
  	        }
  	      }
  	      return result + omission;
  	    }
  
  	    /**
  	     * The inverse of `_.escape`; this method converts the HTML entities
  	     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
  	     * their corresponding characters.
  	     *
  	     * **Note:** No other HTML entities are unescaped. To unescape additional
  	     * HTML entities use a third-party library like [_he_](https://mths.be/he).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 0.6.0
  	     * @category String
  	     * @param {string} [string=''] The string to unescape.
  	     * @returns {string} Returns the unescaped string.
  	     * @example
  	     *
  	     * _.unescape('fred, barney, &amp; pebbles');
  	     * // => 'fred, barney, & pebbles'
  	     */
  	    function unescape(string) {
  	      string = toString(string);
  	      return (string && reHasEscapedHtml.test(string))
  	        ? string.replace(reEscapedHtml, unescapeHtmlChar)
  	        : string;
  	    }
  
  	    /**
  	     * Converts `string`, as space separated words, to upper case.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the upper cased string.
  	     * @example
  	     *
  	     * _.upperCase('--foo-bar');
  	     * // => 'FOO BAR'
  	     *
  	     * _.upperCase('fooBar');
  	     * // => 'FOO BAR'
  	     *
  	     * _.upperCase('__foo_bar__');
  	     * // => 'FOO BAR'
  	     */
  	    var upperCase = createCompounder(function(result, word, index) {
  	      return result + (index ? ' ' : '') + word.toUpperCase();
  	    });
  
  	    /**
  	     * Converts the first character of `string` to upper case.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to convert.
  	     * @returns {string} Returns the converted string.
  	     * @example
  	     *
  	     * _.upperFirst('fred');
  	     * // => 'Fred'
  	     *
  	     * _.upperFirst('FRED');
  	     * // => 'FRED'
  	     */
  	    var upperFirst = createCaseFirst('toUpperCase');
  
  	    /**
  	     * Splits `string` into an array of its words.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category String
  	     * @param {string} [string=''] The string to inspect.
  	     * @param {RegExp|string} [pattern] The pattern to match words.
  	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
  	     * @returns {Array} Returns the words of `string`.
  	     * @example
  	     *
  	     * _.words('fred, barney, & pebbles');
  	     * // => ['fred', 'barney', 'pebbles']
  	     *
  	     * _.words('fred, barney, & pebbles', /[^, ]+/g);
  	     * // => ['fred', 'barney', '&', 'pebbles']
  	     */
  	    function words(string, pattern, guard) {
  	      string = toString(string);
  	      pattern = guard ? undefined : pattern;
  
  	      if (pattern === undefined) {
  	        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
  	      }
  	      return string.match(pattern) || [];
  	    }
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Attempts to invoke `func`, returning either the result or the caught error
  	     * object. Any additional arguments are provided to `func` when it's invoked.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Util
  	     * @param {Function} func The function to attempt.
  	     * @param {...*} [args] The arguments to invoke `func` with.
  	     * @returns {*} Returns the `func` result or error object.
  	     * @example
  	     *
  	     * // Avoid throwing errors for invalid selectors.
  	     * var elements = _.attempt(function(selector) {
  	     *   return document.querySelectorAll(selector);
  	     * }, '>_>');
  	     *
  	     * if (_.isError(elements)) {
  	     *   elements = [];
  	     * }
  	     */
  	    var attempt = baseRest(function(func, args) {
  	      try {
  	        return apply(func, undefined, args);
  	      } catch (e) {
  	        return isError(e) ? e : new Error(e);
  	      }
  	    });
  
  	    /**
  	     * Binds methods of an object to the object itself, overwriting the existing
  	     * method.
  	     *
  	     * **Note:** This method doesn't set the "length" property of bound functions.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Util
  	     * @param {Object} object The object to bind and assign the bound methods to.
  	     * @param {...(string|string[])} methodNames The object method names to bind.
  	     * @returns {Object} Returns `object`.
  	     * @example
  	     *
  	     * var view = {
  	     *   'label': 'docs',
  	     *   'click': function() {
  	     *     console.log('clicked ' + this.label);
  	     *   }
  	     * };
  	     *
  	     * _.bindAll(view, ['click']);
  	     * jQuery(element).on('click', view.click);
  	     * // => Logs 'clicked docs' when clicked.
  	     */
  	    var bindAll = flatRest(function(object, methodNames) {
  	      arrayEach(methodNames, function(key) {
  	        key = toKey(key);
  	        baseAssignValue(object, key, bind(object[key], object));
  	      });
  	      return object;
  	    });
  
  	    /**
  	     * Creates a function that iterates over `pairs` and invokes the corresponding
  	     * function of the first predicate to return truthy. The predicate-function
  	     * pairs are invoked with the `this` binding and arguments of the created
  	     * function.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Util
  	     * @param {Array} pairs The predicate-function pairs.
  	     * @returns {Function} Returns the new composite function.
  	     * @example
  	     *
  	     * var func = _.cond([
  	     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
  	     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
  	     *   [_.stubTrue,                      _.constant('no match')]
  	     * ]);
  	     *
  	     * func({ 'a': 1, 'b': 2 });
  	     * // => 'matches A'
  	     *
  	     * func({ 'a': 0, 'b': 1 });
  	     * // => 'matches B'
  	     *
  	     * func({ 'a': '1', 'b': '2' });
  	     * // => 'no match'
  	     */
  	    function cond(pairs) {
  	      var length = pairs == null ? 0 : pairs.length,
  	          toIteratee = getIteratee();
  
  	      pairs = !length ? [] : arrayMap(pairs, function(pair) {
  	        if (typeof pair[1] != 'function') {
  	          throw new TypeError(FUNC_ERROR_TEXT);
  	        }
  	        return [toIteratee(pair[0]), pair[1]];
  	      });
  
  	      return baseRest(function(args) {
  	        var index = -1;
  	        while (++index < length) {
  	          var pair = pairs[index];
  	          if (apply(pair[0], this, args)) {
  	            return apply(pair[1], this, args);
  	          }
  	        }
  	      });
  	    }
  
  	    /**
  	     * Creates a function that invokes the predicate properties of `source` with
  	     * the corresponding property values of a given object, returning `true` if
  	     * all predicates return truthy, else `false`.
  	     *
  	     * **Note:** The created function is equivalent to `_.conformsTo` with
  	     * `source` partially applied.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Util
  	     * @param {Object} source The object of property predicates to conform to.
  	     * @returns {Function} Returns the new spec function.
  	     * @example
  	     *
  	     * var objects = [
  	     *   { 'a': 2, 'b': 1 },
  	     *   { 'a': 1, 'b': 2 }
  	     * ];
  	     *
  	     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
  	     * // => [{ 'a': 1, 'b': 2 }]
  	     */
  	    function conforms(source) {
  	      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
  	    }
  
  	    /**
  	     * Creates a function that returns `value`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.4.0
  	     * @category Util
  	     * @param {*} value The value to return from the new function.
  	     * @returns {Function} Returns the new constant function.
  	     * @example
  	     *
  	     * var objects = _.times(2, _.constant({ 'a': 1 }));
  	     *
  	     * console.log(objects);
  	     * // => [{ 'a': 1 }, { 'a': 1 }]
  	     *
  	     * console.log(objects[0] === objects[1]);
  	     * // => true
  	     */
  	    function constant(value) {
  	      return function() {
  	        return value;
  	      };
  	    }
  
  	    /**
  	     * Checks `value` to determine whether a default value should be returned in
  	     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
  	     * or `undefined`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.14.0
  	     * @category Util
  	     * @param {*} value The value to check.
  	     * @param {*} defaultValue The default value.
  	     * @returns {*} Returns the resolved value.
  	     * @example
  	     *
  	     * _.defaultTo(1, 10);
  	     * // => 1
  	     *
  	     * _.defaultTo(undefined, 10);
  	     * // => 10
  	     */
  	    function defaultTo(value, defaultValue) {
  	      return (value == null || value !== value) ? defaultValue : value;
  	    }
  
  	    /**
  	     * Creates a function that returns the result of invoking the given functions
  	     * with the `this` binding of the created function, where each successive
  	     * invocation is supplied the return value of the previous.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Util
  	     * @param {...(Function|Function[])} [funcs] The functions to invoke.
  	     * @returns {Function} Returns the new composite function.
  	     * @see _.flowRight
  	     * @example
  	     *
  	     * function square(n) {
  	     *   return n * n;
  	     * }
  	     *
  	     * var addSquare = _.flow([_.add, square]);
  	     * addSquare(1, 2);
  	     * // => 9
  	     */
  	    var flow = createFlow();
  
  	    /**
  	     * This method is like `_.flow` except that it creates a function that
  	     * invokes the given functions from right to left.
  	     *
  	     * @static
  	     * @since 3.0.0
  	     * @memberOf _
  	     * @category Util
  	     * @param {...(Function|Function[])} [funcs] The functions to invoke.
  	     * @returns {Function} Returns the new composite function.
  	     * @see _.flow
  	     * @example
  	     *
  	     * function square(n) {
  	     *   return n * n;
  	     * }
  	     *
  	     * var addSquare = _.flowRight([square, _.add]);
  	     * addSquare(1, 2);
  	     * // => 9
  	     */
  	    var flowRight = createFlow(true);
  
  	    /**
  	     * This method returns the first argument it receives.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Util
  	     * @param {*} value Any value.
  	     * @returns {*} Returns `value`.
  	     * @example
  	     *
  	     * var object = { 'a': 1 };
  	     *
  	     * console.log(_.identity(object) === object);
  	     * // => true
  	     */
  	    function identity(value) {
  	      return value;
  	    }
  
  	    /**
  	     * Creates a function that invokes `func` with the arguments of the created
  	     * function. If `func` is a property name, the created function returns the
  	     * property value for a given element. If `func` is an array or object, the
  	     * created function returns `true` for elements that contain the equivalent
  	     * source properties, otherwise it returns `false`.
  	     *
  	     * @static
  	     * @since 4.0.0
  	     * @memberOf _
  	     * @category Util
  	     * @param {*} [func=_.identity] The value to convert to a callback.
  	     * @returns {Function} Returns the callback.
  	     * @example
  	     *
  	     * var users = [
  	     *   { 'user': 'barney', 'age': 36, 'active': true },
  	     *   { 'user': 'fred',   'age': 40, 'active': false }
  	     * ];
  	     *
  	     * // The `_.matches` iteratee shorthand.
  	     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
  	     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
  	     *
  	     * // The `_.matchesProperty` iteratee shorthand.
  	     * _.filter(users, _.iteratee(['user', 'fred']));
  	     * // => [{ 'user': 'fred', 'age': 40 }]
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.map(users, _.iteratee('user'));
  	     * // => ['barney', 'fred']
  	     *
  	     * // Create custom iteratee shorthands.
  	     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
  	     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
  	     *     return func.test(string);
  	     *   };
  	     * });
  	     *
  	     * _.filter(['abc', 'def'], /ef/);
  	     * // => ['def']
  	     */
  	    function iteratee(func) {
  	      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
  	    }
  
  	    /**
  	     * Creates a function that performs a partial deep comparison between a given
  	     * object and `source`, returning `true` if the given object has equivalent
  	     * property values, else `false`.
  	     *
  	     * **Note:** The created function is equivalent to `_.isMatch` with `source`
  	     * partially applied.
  	     *
  	     * Partial comparisons will match empty array and empty object `source`
  	     * values against any array or object value, respectively. See `_.isEqual`
  	     * for a list of supported value comparisons.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Util
  	     * @param {Object} source The object of property values to match.
  	     * @returns {Function} Returns the new spec function.
  	     * @example
  	     *
  	     * var objects = [
  	     *   { 'a': 1, 'b': 2, 'c': 3 },
  	     *   { 'a': 4, 'b': 5, 'c': 6 }
  	     * ];
  	     *
  	     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
  	     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
  	     */
  	    function matches(source) {
  	      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
  	    }
  
  	    /**
  	     * Creates a function that performs a partial deep comparison between the
  	     * value at `path` of a given object to `srcValue`, returning `true` if the
  	     * object value is equivalent, else `false`.
  	     *
  	     * **Note:** Partial comparisons will match empty array and empty object
  	     * `srcValue` values against any array or object value, respectively. See
  	     * `_.isEqual` for a list of supported value comparisons.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.2.0
  	     * @category Util
  	     * @param {Array|string} path The path of the property to get.
  	     * @param {*} srcValue The value to match.
  	     * @returns {Function} Returns the new spec function.
  	     * @example
  	     *
  	     * var objects = [
  	     *   { 'a': 1, 'b': 2, 'c': 3 },
  	     *   { 'a': 4, 'b': 5, 'c': 6 }
  	     * ];
  	     *
  	     * _.find(objects, _.matchesProperty('a', 4));
  	     * // => { 'a': 4, 'b': 5, 'c': 6 }
  	     */
  	    function matchesProperty(path, srcValue) {
  	      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
  	    }
  
  	    /**
  	     * Creates a function that invokes the method at `path` of a given object.
  	     * Any additional arguments are provided to the invoked method.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.7.0
  	     * @category Util
  	     * @param {Array|string} path The path of the method to invoke.
  	     * @param {...*} [args] The arguments to invoke the method with.
  	     * @returns {Function} Returns the new invoker function.
  	     * @example
  	     *
  	     * var objects = [
  	     *   { 'a': { 'b': _.constant(2) } },
  	     *   { 'a': { 'b': _.constant(1) } }
  	     * ];
  	     *
  	     * _.map(objects, _.method('a.b'));
  	     * // => [2, 1]
  	     *
  	     * _.map(objects, _.method(['a', 'b']));
  	     * // => [2, 1]
  	     */
  	    var method = baseRest(function(path, args) {
  	      return function(object) {
  	        return baseInvoke(object, path, args);
  	      };
  	    });
  
  	    /**
  	     * The opposite of `_.method`; this method creates a function that invokes
  	     * the method at a given path of `object`. Any additional arguments are
  	     * provided to the invoked method.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.7.0
  	     * @category Util
  	     * @param {Object} object The object to query.
  	     * @param {...*} [args] The arguments to invoke the method with.
  	     * @returns {Function} Returns the new invoker function.
  	     * @example
  	     *
  	     * var array = _.times(3, _.constant),
  	     *     object = { 'a': array, 'b': array, 'c': array };
  	     *
  	     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
  	     * // => [2, 0]
  	     *
  	     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
  	     * // => [2, 0]
  	     */
  	    var methodOf = baseRest(function(object, args) {
  	      return function(path) {
  	        return baseInvoke(object, path, args);
  	      };
  	    });
  
  	    /**
  	     * Adds all own enumerable string keyed function properties of a source
  	     * object to the destination object. If `object` is a function, then methods
  	     * are added to its prototype as well.
  	     *
  	     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
  	     * avoid conflicts caused by modifying the original.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Util
  	     * @param {Function|Object} [object=lodash] The destination object.
  	     * @param {Object} source The object of functions to add.
  	     * @param {Object} [options={}] The options object.
  	     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
  	     * @returns {Function|Object} Returns `object`.
  	     * @example
  	     *
  	     * function vowels(string) {
  	     *   return _.filter(string, function(v) {
  	     *     return /[aeiou]/i.test(v);
  	     *   });
  	     * }
  	     *
  	     * _.mixin({ 'vowels': vowels });
  	     * _.vowels('fred');
  	     * // => ['e']
  	     *
  	     * _('fred').vowels().value();
  	     * // => ['e']
  	     *
  	     * _.mixin({ 'vowels': vowels }, { 'chain': false });
  	     * _('fred').vowels();
  	     * // => ['e']
  	     */
  	    function mixin(object, source, options) {
  	      var props = keys(source),
  	          methodNames = baseFunctions(source, props);
  
  	      if (options == null &&
  	          !(isObject(source) && (methodNames.length || !props.length))) {
  	        options = source;
  	        source = object;
  	        object = this;
  	        methodNames = baseFunctions(source, keys(source));
  	      }
  	      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
  	          isFunc = isFunction(object);
  
  	      arrayEach(methodNames, function(methodName) {
  	        var func = source[methodName];
  	        object[methodName] = func;
  	        if (isFunc) {
  	          object.prototype[methodName] = function() {
  	            var chainAll = this.__chain__;
  	            if (chain || chainAll) {
  	              var result = object(this.__wrapped__),
  	                  actions = result.__actions__ = copyArray(this.__actions__);
  
  	              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
  	              result.__chain__ = chainAll;
  	              return result;
  	            }
  	            return func.apply(object, arrayPush([this.value()], arguments));
  	          };
  	        }
  	      });
  
  	      return object;
  	    }
  
  	    /**
  	     * Reverts the `_` variable to its previous value and returns a reference to
  	     * the `lodash` function.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Util
  	     * @returns {Function} Returns the `lodash` function.
  	     * @example
  	     *
  	     * var lodash = _.noConflict();
  	     */
  	    function noConflict() {
  	      if (root._ === this) {
  	        root._ = oldDash;
  	      }
  	      return this;
  	    }
  
  	    /**
  	     * This method returns `undefined`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.3.0
  	     * @category Util
  	     * @example
  	     *
  	     * _.times(2, _.noop);
  	     * // => [undefined, undefined]
  	     */
  	    function noop() {
  	      // No operation performed.
  	    }
  
  	    /**
  	     * Creates a function that gets the argument at index `n`. If `n` is negative,
  	     * the nth argument from the end is returned.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Util
  	     * @param {number} [n=0] The index of the argument to return.
  	     * @returns {Function} Returns the new pass-thru function.
  	     * @example
  	     *
  	     * var func = _.nthArg(1);
  	     * func('a', 'b', 'c', 'd');
  	     * // => 'b'
  	     *
  	     * var func = _.nthArg(-2);
  	     * func('a', 'b', 'c', 'd');
  	     * // => 'c'
  	     */
  	    function nthArg(n) {
  	      n = toInteger(n);
  	      return baseRest(function(args) {
  	        return baseNth(args, n);
  	      });
  	    }
  
  	    /**
  	     * Creates a function that invokes `iteratees` with the arguments it receives
  	     * and returns their results.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Util
  	     * @param {...(Function|Function[])} [iteratees=[_.identity]]
  	     *  The iteratees to invoke.
  	     * @returns {Function} Returns the new function.
  	     * @example
  	     *
  	     * var func = _.over([Math.max, Math.min]);
  	     *
  	     * func(1, 2, 3, 4);
  	     * // => [4, 1]
  	     */
  	    var over = createOver(arrayMap);
  
  	    /**
  	     * Creates a function that checks if **all** of the `predicates` return
  	     * truthy when invoked with the arguments it receives.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Util
  	     * @param {...(Function|Function[])} [predicates=[_.identity]]
  	     *  The predicates to check.
  	     * @returns {Function} Returns the new function.
  	     * @example
  	     *
  	     * var func = _.overEvery([Boolean, isFinite]);
  	     *
  	     * func('1');
  	     * // => true
  	     *
  	     * func(null);
  	     * // => false
  	     *
  	     * func(NaN);
  	     * // => false
  	     */
  	    var overEvery = createOver(arrayEvery);
  
  	    /**
  	     * Creates a function that checks if **any** of the `predicates` return
  	     * truthy when invoked with the arguments it receives.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Util
  	     * @param {...(Function|Function[])} [predicates=[_.identity]]
  	     *  The predicates to check.
  	     * @returns {Function} Returns the new function.
  	     * @example
  	     *
  	     * var func = _.overSome([Boolean, isFinite]);
  	     *
  	     * func('1');
  	     * // => true
  	     *
  	     * func(null);
  	     * // => true
  	     *
  	     * func(NaN);
  	     * // => false
  	     */
  	    var overSome = createOver(arraySome);
  
  	    /**
  	     * Creates a function that returns the value at `path` of a given object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 2.4.0
  	     * @category Util
  	     * @param {Array|string} path The path of the property to get.
  	     * @returns {Function} Returns the new accessor function.
  	     * @example
  	     *
  	     * var objects = [
  	     *   { 'a': { 'b': 2 } },
  	     *   { 'a': { 'b': 1 } }
  	     * ];
  	     *
  	     * _.map(objects, _.property('a.b'));
  	     * // => [2, 1]
  	     *
  	     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
  	     * // => [1, 2]
  	     */
  	    function property(path) {
  	      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
  	    }
  
  	    /**
  	     * The opposite of `_.property`; this method creates a function that returns
  	     * the value at a given path of `object`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.0.0
  	     * @category Util
  	     * @param {Object} object The object to query.
  	     * @returns {Function} Returns the new accessor function.
  	     * @example
  	     *
  	     * var array = [0, 1, 2],
  	     *     object = { 'a': array, 'b': array, 'c': array };
  	     *
  	     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
  	     * // => [2, 0]
  	     *
  	     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
  	     * // => [2, 0]
  	     */
  	    function propertyOf(object) {
  	      return function(path) {
  	        return object == null ? undefined : baseGet(object, path);
  	      };
  	    }
  
  	    /**
  	     * Creates an array of numbers (positive and/or negative) progressing from
  	     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
  	     * `start` is specified without an `end` or `step`. If `end` is not specified,
  	     * it's set to `start` with `start` then set to `0`.
  	     *
  	     * **Note:** JavaScript follows the IEEE-754 standard for resolving
  	     * floating-point values which can produce unexpected results.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Util
  	     * @param {number} [start=0] The start of the range.
  	     * @param {number} end The end of the range.
  	     * @param {number} [step=1] The value to increment or decrement by.
  	     * @returns {Array} Returns the range of numbers.
  	     * @see _.inRange, _.rangeRight
  	     * @example
  	     *
  	     * _.range(4);
  	     * // => [0, 1, 2, 3]
  	     *
  	     * _.range(-4);
  	     * // => [0, -1, -2, -3]
  	     *
  	     * _.range(1, 5);
  	     * // => [1, 2, 3, 4]
  	     *
  	     * _.range(0, 20, 5);
  	     * // => [0, 5, 10, 15]
  	     *
  	     * _.range(0, -4, -1);
  	     * // => [0, -1, -2, -3]
  	     *
  	     * _.range(1, 4, 0);
  	     * // => [1, 1, 1]
  	     *
  	     * _.range(0);
  	     * // => []
  	     */
  	    var range = createRange();
  
  	    /**
  	     * This method is like `_.range` except that it populates values in
  	     * descending order.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Util
  	     * @param {number} [start=0] The start of the range.
  	     * @param {number} end The end of the range.
  	     * @param {number} [step=1] The value to increment or decrement by.
  	     * @returns {Array} Returns the range of numbers.
  	     * @see _.inRange, _.range
  	     * @example
  	     *
  	     * _.rangeRight(4);
  	     * // => [3, 2, 1, 0]
  	     *
  	     * _.rangeRight(-4);
  	     * // => [-3, -2, -1, 0]
  	     *
  	     * _.rangeRight(1, 5);
  	     * // => [4, 3, 2, 1]
  	     *
  	     * _.rangeRight(0, 20, 5);
  	     * // => [15, 10, 5, 0]
  	     *
  	     * _.rangeRight(0, -4, -1);
  	     * // => [-3, -2, -1, 0]
  	     *
  	     * _.rangeRight(1, 4, 0);
  	     * // => [1, 1, 1]
  	     *
  	     * _.rangeRight(0);
  	     * // => []
  	     */
  	    var rangeRight = createRange(true);
  
  	    /**
  	     * This method returns a new empty array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.13.0
  	     * @category Util
  	     * @returns {Array} Returns the new empty array.
  	     * @example
  	     *
  	     * var arrays = _.times(2, _.stubArray);
  	     *
  	     * console.log(arrays);
  	     * // => [[], []]
  	     *
  	     * console.log(arrays[0] === arrays[1]);
  	     * // => false
  	     */
  	    function stubArray() {
  	      return [];
  	    }
  
  	    /**
  	     * This method returns `false`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.13.0
  	     * @category Util
  	     * @returns {boolean} Returns `false`.
  	     * @example
  	     *
  	     * _.times(2, _.stubFalse);
  	     * // => [false, false]
  	     */
  	    function stubFalse() {
  	      return false;
  	    }
  
  	    /**
  	     * This method returns a new empty object.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.13.0
  	     * @category Util
  	     * @returns {Object} Returns the new empty object.
  	     * @example
  	     *
  	     * var objects = _.times(2, _.stubObject);
  	     *
  	     * console.log(objects);
  	     * // => [{}, {}]
  	     *
  	     * console.log(objects[0] === objects[1]);
  	     * // => false
  	     */
  	    function stubObject() {
  	      return {};
  	    }
  
  	    /**
  	     * This method returns an empty string.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.13.0
  	     * @category Util
  	     * @returns {string} Returns the empty string.
  	     * @example
  	     *
  	     * _.times(2, _.stubString);
  	     * // => ['', '']
  	     */
  	    function stubString() {
  	      return '';
  	    }
  
  	    /**
  	     * This method returns `true`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.13.0
  	     * @category Util
  	     * @returns {boolean} Returns `true`.
  	     * @example
  	     *
  	     * _.times(2, _.stubTrue);
  	     * // => [true, true]
  	     */
  	    function stubTrue() {
  	      return true;
  	    }
  
  	    /**
  	     * Invokes the iteratee `n` times, returning an array of the results of
  	     * each invocation. The iteratee is invoked with one argument; (index).
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Util
  	     * @param {number} n The number of times to invoke `iteratee`.
  	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
  	     * @returns {Array} Returns the array of results.
  	     * @example
  	     *
  	     * _.times(3, String);
  	     * // => ['0', '1', '2']
  	     *
  	     *  _.times(4, _.constant(0));
  	     * // => [0, 0, 0, 0]
  	     */
  	    function times(n, iteratee) {
  	      n = toInteger(n);
  	      if (n < 1 || n > MAX_SAFE_INTEGER) {
  	        return [];
  	      }
  	      var index = MAX_ARRAY_LENGTH,
  	          length = nativeMin(n, MAX_ARRAY_LENGTH);
  
  	      iteratee = getIteratee(iteratee);
  	      n -= MAX_ARRAY_LENGTH;
  
  	      var result = baseTimes(length, iteratee);
  	      while (++index < n) {
  	        iteratee(index);
  	      }
  	      return result;
  	    }
  
  	    /**
  	     * Converts `value` to a property path array.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Util
  	     * @param {*} value The value to convert.
  	     * @returns {Array} Returns the new property path array.
  	     * @example
  	     *
  	     * _.toPath('a.b.c');
  	     * // => ['a', 'b', 'c']
  	     *
  	     * _.toPath('a[0].b.c');
  	     * // => ['a', '0', 'b', 'c']
  	     */
  	    function toPath(value) {
  	      if (isArray(value)) {
  	        return arrayMap(value, toKey);
  	      }
  	      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
  	    }
  
  	    /**
  	     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Util
  	     * @param {string} [prefix=''] The value to prefix the ID with.
  	     * @returns {string} Returns the unique ID.
  	     * @example
  	     *
  	     * _.uniqueId('contact_');
  	     * // => 'contact_104'
  	     *
  	     * _.uniqueId();
  	     * // => '105'
  	     */
  	    function uniqueId(prefix) {
  	      var id = ++idCounter;
  	      return toString(prefix) + id;
  	    }
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * Adds two numbers.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.4.0
  	     * @category Math
  	     * @param {number} augend The first number in an addition.
  	     * @param {number} addend The second number in an addition.
  	     * @returns {number} Returns the total.
  	     * @example
  	     *
  	     * _.add(6, 4);
  	     * // => 10
  	     */
  	    var add = createMathOperation(function(augend, addend) {
  	      return augend + addend;
  	    }, 0);
  
  	    /**
  	     * Computes `number` rounded up to `precision`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.10.0
  	     * @category Math
  	     * @param {number} number The number to round up.
  	     * @param {number} [precision=0] The precision to round up to.
  	     * @returns {number} Returns the rounded up number.
  	     * @example
  	     *
  	     * _.ceil(4.006);
  	     * // => 5
  	     *
  	     * _.ceil(6.004, 2);
  	     * // => 6.01
  	     *
  	     * _.ceil(6040, -2);
  	     * // => 6100
  	     */
  	    var ceil = createRound('ceil');
  
  	    /**
  	     * Divide two numbers.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.7.0
  	     * @category Math
  	     * @param {number} dividend The first number in a division.
  	     * @param {number} divisor The second number in a division.
  	     * @returns {number} Returns the quotient.
  	     * @example
  	     *
  	     * _.divide(6, 4);
  	     * // => 1.5
  	     */
  	    var divide = createMathOperation(function(dividend, divisor) {
  	      return dividend / divisor;
  	    }, 1);
  
  	    /**
  	     * Computes `number` rounded down to `precision`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.10.0
  	     * @category Math
  	     * @param {number} number The number to round down.
  	     * @param {number} [precision=0] The precision to round down to.
  	     * @returns {number} Returns the rounded down number.
  	     * @example
  	     *
  	     * _.floor(4.006);
  	     * // => 4
  	     *
  	     * _.floor(0.046, 2);
  	     * // => 0.04
  	     *
  	     * _.floor(4060, -2);
  	     * // => 4000
  	     */
  	    var floor = createRound('floor');
  
  	    /**
  	     * Computes the maximum value of `array`. If `array` is empty or falsey,
  	     * `undefined` is returned.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Math
  	     * @param {Array} array The array to iterate over.
  	     * @returns {*} Returns the maximum value.
  	     * @example
  	     *
  	     * _.max([4, 2, 8, 6]);
  	     * // => 8
  	     *
  	     * _.max([]);
  	     * // => undefined
  	     */
  	    function max(array) {
  	      return (array && array.length)
  	        ? baseExtremum(array, identity, baseGt)
  	        : undefined;
  	    }
  
  	    /**
  	     * This method is like `_.max` except that it accepts `iteratee` which is
  	     * invoked for each element in `array` to generate the criterion by which
  	     * the value is ranked. The iteratee is invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Math
  	     * @param {Array} array The array to iterate over.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {*} Returns the maximum value.
  	     * @example
  	     *
  	     * var objects = [{ 'n': 1 }, { 'n': 2 }];
  	     *
  	     * _.maxBy(objects, function(o) { return o.n; });
  	     * // => { 'n': 2 }
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.maxBy(objects, 'n');
  	     * // => { 'n': 2 }
  	     */
  	    function maxBy(array, iteratee) {
  	      return (array && array.length)
  	        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
  	        : undefined;
  	    }
  
  	    /**
  	     * Computes the mean of the values in `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Math
  	     * @param {Array} array The array to iterate over.
  	     * @returns {number} Returns the mean.
  	     * @example
  	     *
  	     * _.mean([4, 2, 8, 6]);
  	     * // => 5
  	     */
  	    function mean(array) {
  	      return baseMean(array, identity);
  	    }
  
  	    /**
  	     * This method is like `_.mean` except that it accepts `iteratee` which is
  	     * invoked for each element in `array` to generate the value to be averaged.
  	     * The iteratee is invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.7.0
  	     * @category Math
  	     * @param {Array} array The array to iterate over.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {number} Returns the mean.
  	     * @example
  	     *
  	     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
  	     *
  	     * _.meanBy(objects, function(o) { return o.n; });
  	     * // => 5
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.meanBy(objects, 'n');
  	     * // => 5
  	     */
  	    function meanBy(array, iteratee) {
  	      return baseMean(array, getIteratee(iteratee, 2));
  	    }
  
  	    /**
  	     * Computes the minimum value of `array`. If `array` is empty or falsey,
  	     * `undefined` is returned.
  	     *
  	     * @static
  	     * @since 0.1.0
  	     * @memberOf _
  	     * @category Math
  	     * @param {Array} array The array to iterate over.
  	     * @returns {*} Returns the minimum value.
  	     * @example
  	     *
  	     * _.min([4, 2, 8, 6]);
  	     * // => 2
  	     *
  	     * _.min([]);
  	     * // => undefined
  	     */
  	    function min(array) {
  	      return (array && array.length)
  	        ? baseExtremum(array, identity, baseLt)
  	        : undefined;
  	    }
  
  	    /**
  	     * This method is like `_.min` except that it accepts `iteratee` which is
  	     * invoked for each element in `array` to generate the criterion by which
  	     * the value is ranked. The iteratee is invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Math
  	     * @param {Array} array The array to iterate over.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {*} Returns the minimum value.
  	     * @example
  	     *
  	     * var objects = [{ 'n': 1 }, { 'n': 2 }];
  	     *
  	     * _.minBy(objects, function(o) { return o.n; });
  	     * // => { 'n': 1 }
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.minBy(objects, 'n');
  	     * // => { 'n': 1 }
  	     */
  	    function minBy(array, iteratee) {
  	      return (array && array.length)
  	        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
  	        : undefined;
  	    }
  
  	    /**
  	     * Multiply two numbers.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.7.0
  	     * @category Math
  	     * @param {number} multiplier The first number in a multiplication.
  	     * @param {number} multiplicand The second number in a multiplication.
  	     * @returns {number} Returns the product.
  	     * @example
  	     *
  	     * _.multiply(6, 4);
  	     * // => 24
  	     */
  	    var multiply = createMathOperation(function(multiplier, multiplicand) {
  	      return multiplier * multiplicand;
  	    }, 1);
  
  	    /**
  	     * Computes `number` rounded to `precision`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.10.0
  	     * @category Math
  	     * @param {number} number The number to round.
  	     * @param {number} [precision=0] The precision to round to.
  	     * @returns {number} Returns the rounded number.
  	     * @example
  	     *
  	     * _.round(4.006);
  	     * // => 4
  	     *
  	     * _.round(4.006, 2);
  	     * // => 4.01
  	     *
  	     * _.round(4060, -2);
  	     * // => 4100
  	     */
  	    var round = createRound('round');
  
  	    /**
  	     * Subtract two numbers.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Math
  	     * @param {number} minuend The first number in a subtraction.
  	     * @param {number} subtrahend The second number in a subtraction.
  	     * @returns {number} Returns the difference.
  	     * @example
  	     *
  	     * _.subtract(6, 4);
  	     * // => 2
  	     */
  	    var subtract = createMathOperation(function(minuend, subtrahend) {
  	      return minuend - subtrahend;
  	    }, 0);
  
  	    /**
  	     * Computes the sum of the values in `array`.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 3.4.0
  	     * @category Math
  	     * @param {Array} array The array to iterate over.
  	     * @returns {number} Returns the sum.
  	     * @example
  	     *
  	     * _.sum([4, 2, 8, 6]);
  	     * // => 20
  	     */
  	    function sum(array) {
  	      return (array && array.length)
  	        ? baseSum(array, identity)
  	        : 0;
  	    }
  
  	    /**
  	     * This method is like `_.sum` except that it accepts `iteratee` which is
  	     * invoked for each element in `array` to generate the value to be summed.
  	     * The iteratee is invoked with one argument: (value).
  	     *
  	     * @static
  	     * @memberOf _
  	     * @since 4.0.0
  	     * @category Math
  	     * @param {Array} array The array to iterate over.
  	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
  	     * @returns {number} Returns the sum.
  	     * @example
  	     *
  	     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
  	     *
  	     * _.sumBy(objects, function(o) { return o.n; });
  	     * // => 20
  	     *
  	     * // The `_.property` iteratee shorthand.
  	     * _.sumBy(objects, 'n');
  	     * // => 20
  	     */
  	    function sumBy(array, iteratee) {
  	      return (array && array.length)
  	        ? baseSum(array, getIteratee(iteratee, 2))
  	        : 0;
  	    }
  
  	    /*------------------------------------------------------------------------*/
  
  	    // Add methods that return wrapped values in chain sequences.
  	    lodash.after = after;
  	    lodash.ary = ary;
  	    lodash.assign = assign;
  	    lodash.assignIn = assignIn;
  	    lodash.assignInWith = assignInWith;
  	    lodash.assignWith = assignWith;
  	    lodash.at = at;
  	    lodash.before = before;
  	    lodash.bind = bind;
  	    lodash.bindAll = bindAll;
  	    lodash.bindKey = bindKey;
  	    lodash.castArray = castArray;
  	    lodash.chain = chain;
  	    lodash.chunk = chunk;
  	    lodash.compact = compact;
  	    lodash.concat = concat;
  	    lodash.cond = cond;
  	    lodash.conforms = conforms;
  	    lodash.constant = constant;
  	    lodash.countBy = countBy;
  	    lodash.create = create;
  	    lodash.curry = curry;
  	    lodash.curryRight = curryRight;
  	    lodash.debounce = debounce;
  	    lodash.defaults = defaults;
  	    lodash.defaultsDeep = defaultsDeep;
  	    lodash.defer = defer;
  	    lodash.delay = delay;
  	    lodash.difference = difference;
  	    lodash.differenceBy = differenceBy;
  	    lodash.differenceWith = differenceWith;
  	    lodash.drop = drop;
  	    lodash.dropRight = dropRight;
  	    lodash.dropRightWhile = dropRightWhile;
  	    lodash.dropWhile = dropWhile;
  	    lodash.fill = fill;
  	    lodash.filter = filter;
  	    lodash.flatMap = flatMap;
  	    lodash.flatMapDeep = flatMapDeep;
  	    lodash.flatMapDepth = flatMapDepth;
  	    lodash.flatten = flatten;
  	    lodash.flattenDeep = flattenDeep;
  	    lodash.flattenDepth = flattenDepth;
  	    lodash.flip = flip;
  	    lodash.flow = flow;
  	    lodash.flowRight = flowRight;
  	    lodash.fromPairs = fromPairs;
  	    lodash.functions = functions;
  	    lodash.functionsIn = functionsIn;
  	    lodash.groupBy = groupBy;
  	    lodash.initial = initial;
  	    lodash.intersection = intersection;
  	    lodash.intersectionBy = intersectionBy;
  	    lodash.intersectionWith = intersectionWith;
  	    lodash.invert = invert;
  	    lodash.invertBy = invertBy;
  	    lodash.invokeMap = invokeMap;
  	    lodash.iteratee = iteratee;
  	    lodash.keyBy = keyBy;
  	    lodash.keys = keys;
  	    lodash.keysIn = keysIn;
  	    lodash.map = map;
  	    lodash.mapKeys = mapKeys;
  	    lodash.mapValues = mapValues;
  	    lodash.matches = matches;
  	    lodash.matchesProperty = matchesProperty;
  	    lodash.memoize = memoize;
  	    lodash.merge = merge;
  	    lodash.mergeWith = mergeWith;
  	    lodash.method = method;
  	    lodash.methodOf = methodOf;
  	    lodash.mixin = mixin;
  	    lodash.negate = negate;
  	    lodash.nthArg = nthArg;
  	    lodash.omit = omit;
  	    lodash.omitBy = omitBy;
  	    lodash.once = once;
  	    lodash.orderBy = orderBy;
  	    lodash.over = over;
  	    lodash.overArgs = overArgs;
  	    lodash.overEvery = overEvery;
  	    lodash.overSome = overSome;
  	    lodash.partial = partial;
  	    lodash.partialRight = partialRight;
  	    lodash.partition = partition;
  	    lodash.pick = pick;
  	    lodash.pickBy = pickBy;
  	    lodash.property = property;
  	    lodash.propertyOf = propertyOf;
  	    lodash.pull = pull;
  	    lodash.pullAll = pullAll;
  	    lodash.pullAllBy = pullAllBy;
  	    lodash.pullAllWith = pullAllWith;
  	    lodash.pullAt = pullAt;
  	    lodash.range = range;
  	    lodash.rangeRight = rangeRight;
  	    lodash.rearg = rearg;
  	    lodash.reject = reject;
  	    lodash.remove = remove;
  	    lodash.rest = rest;
  	    lodash.reverse = reverse;
  	    lodash.sampleSize = sampleSize;
  	    lodash.set = set;
  	    lodash.setWith = setWith;
  	    lodash.shuffle = shuffle;
  	    lodash.slice = slice;
  	    lodash.sortBy = sortBy;
  	    lodash.sortedUniq = sortedUniq;
  	    lodash.sortedUniqBy = sortedUniqBy;
  	    lodash.split = split;
  	    lodash.spread = spread;
  	    lodash.tail = tail;
  	    lodash.take = take;
  	    lodash.takeRight = takeRight;
  	    lodash.takeRightWhile = takeRightWhile;
  	    lodash.takeWhile = takeWhile;
  	    lodash.tap = tap;
  	    lodash.throttle = throttle;
  	    lodash.thru = thru;
  	    lodash.toArray = toArray;
  	    lodash.toPairs = toPairs;
  	    lodash.toPairsIn = toPairsIn;
  	    lodash.toPath = toPath;
  	    lodash.toPlainObject = toPlainObject;
  	    lodash.transform = transform;
  	    lodash.unary = unary;
  	    lodash.union = union;
  	    lodash.unionBy = unionBy;
  	    lodash.unionWith = unionWith;
  	    lodash.uniq = uniq;
  	    lodash.uniqBy = uniqBy;
  	    lodash.uniqWith = uniqWith;
  	    lodash.unset = unset;
  	    lodash.unzip = unzip;
  	    lodash.unzipWith = unzipWith;
  	    lodash.update = update;
  	    lodash.updateWith = updateWith;
  	    lodash.values = values;
  	    lodash.valuesIn = valuesIn;
  	    lodash.without = without;
  	    lodash.words = words;
  	    lodash.wrap = wrap;
  	    lodash.xor = xor;
  	    lodash.xorBy = xorBy;
  	    lodash.xorWith = xorWith;
  	    lodash.zip = zip;
  	    lodash.zipObject = zipObject;
  	    lodash.zipObjectDeep = zipObjectDeep;
  	    lodash.zipWith = zipWith;
  
  	    // Add aliases.
  	    lodash.entries = toPairs;
  	    lodash.entriesIn = toPairsIn;
  	    lodash.extend = assignIn;
  	    lodash.extendWith = assignInWith;
  
  	    // Add methods to `lodash.prototype`.
  	    mixin(lodash, lodash);
  
  	    /*------------------------------------------------------------------------*/
  
  	    // Add methods that return unwrapped values in chain sequences.
  	    lodash.add = add;
  	    lodash.attempt = attempt;
  	    lodash.camelCase = camelCase;
  	    lodash.capitalize = capitalize;
  	    lodash.ceil = ceil;
  	    lodash.clamp = clamp;
  	    lodash.clone = clone;
  	    lodash.cloneDeep = cloneDeep;
  	    lodash.cloneDeepWith = cloneDeepWith;
  	    lodash.cloneWith = cloneWith;
  	    lodash.conformsTo = conformsTo;
  	    lodash.deburr = deburr;
  	    lodash.defaultTo = defaultTo;
  	    lodash.divide = divide;
  	    lodash.endsWith = endsWith;
  	    lodash.eq = eq;
  	    lodash.escape = escape;
  	    lodash.escapeRegExp = escapeRegExp;
  	    lodash.every = every;
  	    lodash.find = find;
  	    lodash.findIndex = findIndex;
  	    lodash.findKey = findKey;
  	    lodash.findLast = findLast;
  	    lodash.findLastIndex = findLastIndex;
  	    lodash.findLastKey = findLastKey;
  	    lodash.floor = floor;
  	    lodash.forEach = forEach;
  	    lodash.forEachRight = forEachRight;
  	    lodash.forIn = forIn;
  	    lodash.forInRight = forInRight;
  	    lodash.forOwn = forOwn;
  	    lodash.forOwnRight = forOwnRight;
  	    lodash.get = get;
  	    lodash.gt = gt;
  	    lodash.gte = gte;
  	    lodash.has = has;
  	    lodash.hasIn = hasIn;
  	    lodash.head = head;
  	    lodash.identity = identity;
  	    lodash.includes = includes;
  	    lodash.indexOf = indexOf;
  	    lodash.inRange = inRange;
  	    lodash.invoke = invoke;
  	    lodash.isArguments = isArguments;
  	    lodash.isArray = isArray;
  	    lodash.isArrayBuffer = isArrayBuffer;
  	    lodash.isArrayLike = isArrayLike;
  	    lodash.isArrayLikeObject = isArrayLikeObject;
  	    lodash.isBoolean = isBoolean;
  	    lodash.isBuffer = isBuffer;
  	    lodash.isDate = isDate;
  	    lodash.isElement = isElement;
  	    lodash.isEmpty = isEmpty;
  	    lodash.isEqual = isEqual;
  	    lodash.isEqualWith = isEqualWith;
  	    lodash.isError = isError;
  	    lodash.isFinite = isFinite;
  	    lodash.isFunction = isFunction;
  	    lodash.isInteger = isInteger;
  	    lodash.isLength = isLength;
  	    lodash.isMap = isMap;
  	    lodash.isMatch = isMatch;
  	    lodash.isMatchWith = isMatchWith;
  	    lodash.isNaN = isNaN;
  	    lodash.isNative = isNative;
  	    lodash.isNil = isNil;
  	    lodash.isNull = isNull;
  	    lodash.isNumber = isNumber;
  	    lodash.isObject = isObject;
  	    lodash.isObjectLike = isObjectLike;
  	    lodash.isPlainObject = isPlainObject;
  	    lodash.isRegExp = isRegExp;
  	    lodash.isSafeInteger = isSafeInteger;
  	    lodash.isSet = isSet;
  	    lodash.isString = isString;
  	    lodash.isSymbol = isSymbol;
  	    lodash.isTypedArray = isTypedArray;
  	    lodash.isUndefined = isUndefined;
  	    lodash.isWeakMap = isWeakMap;
  	    lodash.isWeakSet = isWeakSet;
  	    lodash.join = join;
  	    lodash.kebabCase = kebabCase;
  	    lodash.last = last;
  	    lodash.lastIndexOf = lastIndexOf;
  	    lodash.lowerCase = lowerCase;
  	    lodash.lowerFirst = lowerFirst;
  	    lodash.lt = lt;
  	    lodash.lte = lte;
  	    lodash.max = max;
  	    lodash.maxBy = maxBy;
  	    lodash.mean = mean;
  	    lodash.meanBy = meanBy;
  	    lodash.min = min;
  	    lodash.minBy = minBy;
  	    lodash.stubArray = stubArray;
  	    lodash.stubFalse = stubFalse;
  	    lodash.stubObject = stubObject;
  	    lodash.stubString = stubString;
  	    lodash.stubTrue = stubTrue;
  	    lodash.multiply = multiply;
  	    lodash.nth = nth;
  	    lodash.noConflict = noConflict;
  	    lodash.noop = noop;
  	    lodash.now = now;
  	    lodash.pad = pad;
  	    lodash.padEnd = padEnd;
  	    lodash.padStart = padStart;
  	    lodash.parseInt = parseInt;
  	    lodash.random = random;
  	    lodash.reduce = reduce;
  	    lodash.reduceRight = reduceRight;
  	    lodash.repeat = repeat;
  	    lodash.replace = replace;
  	    lodash.result = result;
  	    lodash.round = round;
  	    lodash.runInContext = runInContext;
  	    lodash.sample = sample;
  	    lodash.size = size;
  	    lodash.snakeCase = snakeCase;
  	    lodash.some = some;
  	    lodash.sortedIndex = sortedIndex;
  	    lodash.sortedIndexBy = sortedIndexBy;
  	    lodash.sortedIndexOf = sortedIndexOf;
  	    lodash.sortedLastIndex = sortedLastIndex;
  	    lodash.sortedLastIndexBy = sortedLastIndexBy;
  	    lodash.sortedLastIndexOf = sortedLastIndexOf;
  	    lodash.startCase = startCase;
  	    lodash.startsWith = startsWith;
  	    lodash.subtract = subtract;
  	    lodash.sum = sum;
  	    lodash.sumBy = sumBy;
  	    lodash.template = template;
  	    lodash.times = times;
  	    lodash.toFinite = toFinite;
  	    lodash.toInteger = toInteger;
  	    lodash.toLength = toLength;
  	    lodash.toLower = toLower;
  	    lodash.toNumber = toNumber;
  	    lodash.toSafeInteger = toSafeInteger;
  	    lodash.toString = toString;
  	    lodash.toUpper = toUpper;
  	    lodash.trim = trim;
  	    lodash.trimEnd = trimEnd;
  	    lodash.trimStart = trimStart;
  	    lodash.truncate = truncate;
  	    lodash.unescape = unescape;
  	    lodash.uniqueId = uniqueId;
  	    lodash.upperCase = upperCase;
  	    lodash.upperFirst = upperFirst;
  
  	    // Add aliases.
  	    lodash.each = forEach;
  	    lodash.eachRight = forEachRight;
  	    lodash.first = head;
  
  	    mixin(lodash, (function() {
  	      var source = {};
  	      baseForOwn(lodash, function(func, methodName) {
  	        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
  	          source[methodName] = func;
  	        }
  	      });
  	      return source;
  	    }()), { 'chain': false });
  
  	    /*------------------------------------------------------------------------*/
  
  	    /**
  	     * The semantic version number.
  	     *
  	     * @static
  	     * @memberOf _
  	     * @type {string}
  	     */
  	    lodash.VERSION = VERSION;
  
  	    // Assign default placeholders.
  	    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
  	      lodash[methodName].placeholder = lodash;
  	    });
  
  	    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
  	    arrayEach(['drop', 'take'], function(methodName, index) {
  	      LazyWrapper.prototype[methodName] = function(n) {
  	        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);
  
  	        var result = (this.__filtered__ && !index)
  	          ? new LazyWrapper(this)
  	          : this.clone();
  
  	        if (result.__filtered__) {
  	          result.__takeCount__ = nativeMin(n, result.__takeCount__);
  	        } else {
  	          result.__views__.push({
  	            'size': nativeMin(n, MAX_ARRAY_LENGTH),
  	            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
  	          });
  	        }
  	        return result;
  	      };
  
  	      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
  	        return this.reverse()[methodName](n).reverse();
  	      };
  	    });
  
  	    // Add `LazyWrapper` methods that accept an `iteratee` value.
  	    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
  	      var type = index + 1,
  	          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;
  
  	      LazyWrapper.prototype[methodName] = function(iteratee) {
  	        var result = this.clone();
  	        result.__iteratees__.push({
  	          'iteratee': getIteratee(iteratee, 3),
  	          'type': type
  	        });
  	        result.__filtered__ = result.__filtered__ || isFilter;
  	        return result;
  	      };
  	    });
  
  	    // Add `LazyWrapper` methods for `_.head` and `_.last`.
  	    arrayEach(['head', 'last'], function(methodName, index) {
  	      var takeName = 'take' + (index ? 'Right' : '');
  
  	      LazyWrapper.prototype[methodName] = function() {
  	        return this[takeName](1).value()[0];
  	      };
  	    });
  
  	    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
  	    arrayEach(['initial', 'tail'], function(methodName, index) {
  	      var dropName = 'drop' + (index ? '' : 'Right');
  
  	      LazyWrapper.prototype[methodName] = function() {
  	        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
  	      };
  	    });
  
  	    LazyWrapper.prototype.compact = function() {
  	      return this.filter(identity);
  	    };
  
  	    LazyWrapper.prototype.find = function(predicate) {
  	      return this.filter(predicate).head();
  	    };
  
  	    LazyWrapper.prototype.findLast = function(predicate) {
  	      return this.reverse().find(predicate);
  	    };
  
  	    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
  	      if (typeof path == 'function') {
  	        return new LazyWrapper(this);
  	      }
  	      return this.map(function(value) {
  	        return baseInvoke(value, path, args);
  	      });
  	    });
  
  	    LazyWrapper.prototype.reject = function(predicate) {
  	      return this.filter(negate(getIteratee(predicate)));
  	    };
  
  	    LazyWrapper.prototype.slice = function(start, end) {
  	      start = toInteger(start);
  
  	      var result = this;
  	      if (result.__filtered__ && (start > 0 || end < 0)) {
  	        return new LazyWrapper(result);
  	      }
  	      if (start < 0) {
  	        result = result.takeRight(-start);
  	      } else if (start) {
  	        result = result.drop(start);
  	      }
  	      if (end !== undefined) {
  	        end = toInteger(end);
  	        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
  	      }
  	      return result;
  	    };
  
  	    LazyWrapper.prototype.takeRightWhile = function(predicate) {
  	      return this.reverse().takeWhile(predicate).reverse();
  	    };
  
  	    LazyWrapper.prototype.toArray = function() {
  	      return this.take(MAX_ARRAY_LENGTH);
  	    };
  
  	    // Add `LazyWrapper` methods to `lodash.prototype`.
  	    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
  	      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
  	          isTaker = /^(?:head|last)$/.test(methodName),
  	          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
  	          retUnwrapped = isTaker || /^find/.test(methodName);
  
  	      if (!lodashFunc) {
  	        return;
  	      }
  	      lodash.prototype[methodName] = function() {
  	        var value = this.__wrapped__,
  	            args = isTaker ? [1] : arguments,
  	            isLazy = value instanceof LazyWrapper,
  	            iteratee = args[0],
  	            useLazy = isLazy || isArray(value);
  
  	        var interceptor = function(value) {
  	          var result = lodashFunc.apply(lodash, arrayPush([value], args));
  	          return (isTaker && chainAll) ? result[0] : result;
  	        };
  
  	        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
  	          // Avoid lazy use if the iteratee has a "length" value other than `1`.
  	          isLazy = useLazy = false;
  	        }
  	        var chainAll = this.__chain__,
  	            isHybrid = !!this.__actions__.length,
  	            isUnwrapped = retUnwrapped && !chainAll,
  	            onlyLazy = isLazy && !isHybrid;
  
  	        if (!retUnwrapped && useLazy) {
  	          value = onlyLazy ? value : new LazyWrapper(this);
  	          var result = func.apply(value, args);
  	          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
  	          return new LodashWrapper(result, chainAll);
  	        }
  	        if (isUnwrapped && onlyLazy) {
  	          return func.apply(this, args);
  	        }
  	        result = this.thru(interceptor);
  	        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
  	      };
  	    });
  
  	    // Add `Array` methods to `lodash.prototype`.
  	    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
  	      var func = arrayProto[methodName],
  	          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
  	          retUnwrapped = /^(?:pop|shift)$/.test(methodName);
  
  	      lodash.prototype[methodName] = function() {
  	        var args = arguments;
  	        if (retUnwrapped && !this.__chain__) {
  	          var value = this.value();
  	          return func.apply(isArray(value) ? value : [], args);
  	        }
  	        return this[chainName](function(value) {
  	          return func.apply(isArray(value) ? value : [], args);
  	        });
  	      };
  	    });
  
  	    // Map minified method names to their real names.
  	    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
  	      var lodashFunc = lodash[methodName];
  	      if (lodashFunc) {
  	        var key = (lodashFunc.name + ''),
  	            names = realNames[key] || (realNames[key] = []);
  
  	        names.push({ 'name': methodName, 'func': lodashFunc });
  	      }
  	    });
  
  	    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
  	      'name': 'wrapper',
  	      'func': undefined
  	    }];
  
  	    // Add methods to `LazyWrapper`.
  	    LazyWrapper.prototype.clone = lazyClone;
  	    LazyWrapper.prototype.reverse = lazyReverse;
  	    LazyWrapper.prototype.value = lazyValue;
  
  	    // Add chain sequence methods to the `lodash` wrapper.
  	    lodash.prototype.at = wrapperAt;
  	    lodash.prototype.chain = wrapperChain;
  	    lodash.prototype.commit = wrapperCommit;
  	    lodash.prototype.next = wrapperNext;
  	    lodash.prototype.plant = wrapperPlant;
  	    lodash.prototype.reverse = wrapperReverse;
  	    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;
  
  	    // Add lazy aliases.
  	    lodash.prototype.first = lodash.prototype.head;
  
  	    if (symIterator) {
  	      lodash.prototype[symIterator] = wrapperToIterator;
  	    }
  	    return lodash;
  	  });
  
  	  /*--------------------------------------------------------------------------*/
  
  	  // Export lodash.
  	  var _ = runInContext();
  
  	  // Some AMD build optimizers, like r.js, check for condition patterns like:
  	  if (true) {
  	    // Expose Lodash on the global object to prevent errors when Lodash is
  	    // loaded by a script tag in the presence of an AMD loader.
  	    // See http://requirejs.org/docs/errors.html#mismatch for more details.
  	    // Use `_.noConflict` to remove Lodash from the global object.
  	    root._ = _;
  
  	    // Define as an anonymous module so, through path mapping, it can be
  	    // referenced as the "underscore" module.
  	    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {
  	      return _;
  	    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  	  }
  	  // Check for `exports` after `define` in case a build optimizer adds it.
  	  else if (freeModule) {
  	    // Export for Node.js.
  	    (freeModule.exports = _)._ = _;
  	    // Export for CommonJS support.
  	    freeExports._ = _;
  	  }
  	  else {
  	    // Export to the global object.
  	    root._ = _;
  	  }
  	}.call(this));
  
  	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(10)(module)))
  
  /***/ }),
  /* 10 */
  /***/ (function(module, exports) {
  
  	module.exports = function(module) {
  		if(!module.webpackPolyfill) {
  			module.deprecate = function() {};
  			module.paths = [];
  			// module.parent = undefined by default
  			module.children = [];
  			module.webpackPolyfill = 1;
  		}
  		return module;
  	}
  
  
  /***/ }),
  /* 11 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	/**
  	 * # Constructor
  	 *
  	 * Provided as a convenient wrapper around Fast functions.
  	 *
  	 * ```js
  	 * var arr = fast([1,2,3,4,5,6]);
  	 *
  	 * var result = arr.filter(function (item) {
  	 *   return item % 2 === 0;
  	 * });
  	 *
  	 * result instanceof Fast; // true
  	 * result.length; // 3
  	 * ```
  	 *
  	 *
  	 * @param {Array} value The value to wrap.
  	 */
  	function Fast (value) {
  	  if (!(this instanceof Fast)) {
  	    return new Fast(value);
  	  }
  	  this.value = value || [];
  	}
  
  	module.exports = exports = Fast;
  
  	Fast.array = __webpack_require__(12);
  	Fast['function'] = Fast.fn = __webpack_require__(28);
  	Fast.object = __webpack_require__(36);
  	Fast.string = __webpack_require__(46);
  
  
  	Fast.apply = Fast['function'].apply;
  	Fast.bind = Fast['function'].bind;
  	Fast.partial = Fast['function'].partial;
  	Fast.partialConstructor = Fast['function'].partialConstructor;
  	Fast['try'] = Fast.attempt = Fast['function']['try'];
  
  	Fast.assign = Fast.object.assign;
  	Fast.cloneObject = Fast.object.clone; // @deprecated use fast.object.clone()
  	Fast.keys = Fast.object.keys;
  	Fast.values = Fast.object.values;
  
  
  	Fast.clone = __webpack_require__(48);
  	Fast.map = __webpack_require__(49);
  	Fast.filter = __webpack_require__(50);
  	Fast.forEach = __webpack_require__(51);
  	Fast.reduce = __webpack_require__(52);
  	Fast.reduceRight = __webpack_require__(53);
  
  
  	Fast.cloneArray = Fast.array.clone; // @deprecated use fast.array.clone()
  
  	Fast.concat = Fast.array.concat;
  	Fast.some = Fast.array.some;
  	Fast.every = Fast.array.every;
  	Fast.indexOf = Fast.array.indexOf;
  	Fast.lastIndexOf = Fast.array.lastIndexOf;
  	Fast.pluck = Fast.array.pluck;
  	Fast.fill = Fast.array.fill;
  
  	Fast.intern = Fast.string.intern;
  
  
  	/**
  	 * # Concat
  	 *
  	 * Concatenate multiple arrays.
  	 *
  	 * @param  {Array|mixed} item, ... The item(s) to concatenate.
  	 * @return {Fast}                  A new Fast object, containing the results.
  	 */
  	Fast.prototype.concat = function Fast$concat () {
  	  var length = this.value.length,
  	      arr = new Array(length),
  	      i, item, childLength, j;
  
  	  for (i = 0; i < length; i++) {
  	    arr[i] = this.value[i];
  	  }
  
  	  length = arguments.length;
  	  for (i = 0; i < length; i++) {
  	    item = arguments[i];
  	    if (Array.isArray(item)) {
  	      childLength = item.length;
  	      for (j = 0; j < childLength; j++) {
  	        arr.push(item[j]);
  	      }
  	    }
  	    else {
  	      arr.push(item);
  	    }
  	  }
  	  return new Fast(arr);
  	};
  
  	/**
  	 * Fast Map
  	 *
  	 * @param  {Function} fn          The visitor function.
  	 * @param  {Object}   thisContext The context for the visitor, if any.
  	 * @return {Fast}                 A new Fast object, containing the results.
  	 */
  	Fast.prototype.map = function Fast$map (fn, thisContext) {
  	  return new Fast(Fast.map(this.value, fn, thisContext));
  	};
  
  	/**
  	 * Fast Filter
  	 *
  	 * @param  {Function} fn          The filter function.
  	 * @param  {Object}   thisContext The context for the filter function, if any.
  	 * @return {Fast}                 A new Fast object, containing the results.
  	 */
  	Fast.prototype.filter = function Fast$filter (fn, thisContext) {
  	  return new Fast(Fast.filter(this.value, fn, thisContext));
  	};
  
  	/**
  	 * Fast Reduce
  	 *
  	 * @param  {Function} fn           The reducer function.
  	 * @param  {mixed}    initialValue The initial value, if any.
  	 * @param  {Object}   thisContext  The context for the reducer, if any.
  	 * @return {mixed}                 The final result.
  	 */
  	Fast.prototype.reduce = function Fast$reduce (fn, initialValue, thisContext) {
  	  return Fast.reduce(this.value, fn, initialValue, thisContext);
  	};
  
  
  	/**
  	 * Fast Reduce Right
  	 *
  	 * @param  {Function} fn           The reducer function.
  	 * @param  {mixed}    initialValue The initial value, if any.
  	 * @param  {Object}   thisContext  The context for the reducer, if any.
  	 * @return {mixed}                 The final result.
  	 */
  	Fast.prototype.reduceRight = function Fast$reduceRight (fn, initialValue, thisContext) {
  	  return Fast.reduceRight(this.value, fn, initialValue, thisContext);
  	};
  
  	/**
  	 * Fast For Each
  	 *
  	 * @param  {Function} fn          The visitor function.
  	 * @param  {Object}   thisContext The context for the visitor, if any.
  	 * @return {Fast}                 The Fast instance.
  	 */
  	Fast.prototype.forEach = function Fast$forEach (fn, thisContext) {
  	  Fast.forEach(this.value, fn, thisContext);
  	  return this;
  	};
  
  	/**
  	 * Fast Some
  	 *
  	 * @param  {Function} fn          The matcher predicate.
  	 * @param  {Object}   thisContext The context for the matcher, if any.
  	 * @return {Boolean}              True if at least one element matches.
  	 */
  	Fast.prototype.some = function Fast$some (fn, thisContext) {
  	  return Fast.some(this.value, fn, thisContext);
  	};
  
  	/**
  	 * Fast Every
  	 *
  	 * @param  {Function} fn          The matcher predicate.
  	 * @param  {Object}   thisContext The context for the matcher, if any.
  	 * @return {Boolean}              True if at all elements match.
  	 */
  	Fast.prototype.every = function Fast$every (fn, thisContext) {
  	  return Fast.some(this.value, fn, thisContext);
  	};
  
  	/**
  	 * Fast Index Of
  	 *
  	 * @param  {mixed}  target    The target to lookup.
  	 * @param  {Number} fromIndex The index to start searching from, if known.
  	 * @return {Number}           The index of the item, or -1 if no match found.
  	 */
  	Fast.prototype.indexOf = function Fast$indexOf (target, fromIndex) {
  	  return Fast.indexOf(this.value, target, fromIndex);
  	};
  
  
  	/**
  	 * Fast Last Index Of
  	 *
  	 * @param  {mixed}  target    The target to lookup.
  	 * @param  {Number} fromIndex The index to start searching from, if known.
  	 * @return {Number}           The last index of the item, or -1 if no match found.
  	 */
  	Fast.prototype.lastIndexOf = function Fast$lastIndexOf (target, fromIndex) {
  	  return Fast.lastIndexOf(this.value, target, fromIndex);
  	};
  
  	/**
  	 * Reverse
  	 *
  	 * @return {Fast} A new Fast instance, with the contents reversed.
  	 */
  	Fast.prototype.reverse = function Fast$reverse () {
  	  return new Fast(this.value.reverse());
  	};
  
  	/**
  	 * Value Of
  	 *
  	 * @return {Array} The wrapped value.
  	 */
  	Fast.prototype.valueOf = function Fast$valueOf () {
  	  return this.value;
  	};
  
  	/**
  	 * To JSON
  	 *
  	 * @return {Array} The wrapped value.
  	 */
  	Fast.prototype.toJSON = function Fast$toJSON () {
  	  return this.value;
  	};
  
  	/**
  	 * Item Length
  	 */
  	Object.defineProperty(Fast.prototype, 'length', {
  	  get: function () {
  	    return this.value.length;
  	  }
  	});
  
  
  /***/ }),
  /* 12 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	exports.clone = __webpack_require__(13);
  	exports.concat = __webpack_require__(14);
  	exports.every = __webpack_require__(15);
  	exports.filter = __webpack_require__(17);
  	exports.forEach = __webpack_require__(18);
  	exports.indexOf = __webpack_require__(19);
  	exports.lastIndexOf = __webpack_require__(20);
  	exports.map = __webpack_require__(21);
  	exports.pluck = __webpack_require__(22);
  	exports.reduce = __webpack_require__(23);
  	exports.reduceRight = __webpack_require__(25);
  	exports.some = __webpack_require__(26);
  	exports.fill = __webpack_require__(27);
  
  /***/ }),
  /* 13 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * # Clone Array
  	 *
  	 * Clone an array or array like object (e.g. `arguments`).
  	 * This is the equivalent of calling `Array.prototype.slice.call(arguments)`, but
  	 * significantly faster.
  	 *
  	 * @param  {Array} input The array or array-like object to clone.
  	 * @return {Array}       The cloned array.
  	 */
  	module.exports = function fastCloneArray (input) {
  	  var length = input.length,
  	      sliced = new Array(length),
  	      i;
  	  for (i = 0; i < length; i++) {
  	    sliced[i] = input[i];
  	  }
  	  return sliced;
  	};
  
  
  /***/ }),
  /* 14 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * # Concat
  	 *
  	 * Concatenate multiple arrays.
  	 *
  	 * > Note: This function is effectively identical to `Array.prototype.concat()`.
  	 *
  	 *
  	 * @param  {Array|mixed} item, ... The item(s) to concatenate.
  	 * @return {Array}                 The array containing the concatenated items.
  	 */
  	module.exports = function fastConcat () {
  	  var length = arguments.length,
  	      arr = [],
  	      i, item, childLength, j;
  
  	  for (i = 0; i < length; i++) {
  	    item = arguments[i];
  	    if (Array.isArray(item)) {
  	      childLength = item.length;
  	      for (j = 0; j < childLength; j++) {
  	        arr.push(item[j]);
  	      }
  	    }
  	    else {
  	      arr.push(item);
  	    }
  	  }
  	  return arr;
  	};
  
  
  /***/ }),
  /* 15 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal3 = __webpack_require__(16);
  
  	/**
  	 * # Every
  	 *
  	 * A fast `.every()` implementation.
  	 *
  	 * @param  {Array}    subject     The array (or array-like) to iterate over.
  	 * @param  {Function} fn          The visitor function.
  	 * @param  {Object}   thisContext The context for the visitor.
  	 * @return {Boolean}              true if all items in the array passes the truth test.
  	 */
  	module.exports = function fastEvery (subject, fn, thisContext) {
  	  var length = subject.length,
  	      iterator = thisContext !== undefined ? bindInternal3(fn, thisContext) : fn,
  	      i;
  	  for (i = 0; i < length; i++) {
  	    if (!iterator(subject[i], i, subject)) {
  	      return false;
  	    }
  	  }
  	  return true;
  	};
  
  
  /***/ }),
  /* 16 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * Internal helper to bind a function known to have 3 arguments
  	 * to a given context.
  	 */
  	module.exports = function bindInternal3 (func, thisContext) {
  	  return function (a, b, c) {
  	    return func.call(thisContext, a, b, c);
  	  };
  	};
  
  
  /***/ }),
  /* 17 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal3 = __webpack_require__(16);
  
  	/**
  	 * # Filter
  	 *
  	 * A fast `.filter()` implementation.
  	 *
  	 * @param  {Array}    subject     The array (or array-like) to filter.
  	 * @param  {Function} fn          The filter function.
  	 * @param  {Object}   thisContext The context for the filter.
  	 * @return {Array}                The array containing the results.
  	 */
  	module.exports = function fastFilter (subject, fn, thisContext) {
  	  var length = subject.length,
  	      result = [],
  	      iterator = thisContext !== undefined ? bindInternal3(fn, thisContext) : fn,
  	      i;
  	  for (i = 0; i < length; i++) {
  	    if (iterator(subject[i], i, subject)) {
  	      result.push(subject[i]);
  	    }
  	  }
  	  return result;
  	};
  
  
  /***/ }),
  /* 18 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal3 = __webpack_require__(16);
  
  	/**
  	 * # For Each
  	 *
  	 * A fast `.forEach()` implementation.
  	 *
  	 * @param  {Array}    subject     The array (or array-like) to iterate over.
  	 * @param  {Function} fn          The visitor function.
  	 * @param  {Object}   thisContext The context for the visitor.
  	 */
  	module.exports = function fastForEach (subject, fn, thisContext) {
  	  var length = subject.length,
  	      iterator = thisContext !== undefined ? bindInternal3(fn, thisContext) : fn,
  	      i;
  	  for (i = 0; i < length; i++) {
  	    iterator(subject[i], i, subject);
  	  }
  	};
  
  
  /***/ }),
  /* 19 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * # Index Of
  	 *
  	 * A faster `Array.prototype.indexOf()` implementation.
  	 *
  	 * @param  {Array}  subject   The array (or array-like) to search within.
  	 * @param  {mixed}  target    The target item to search for.
  	 * @param  {Number} fromIndex The position to start searching from, if known.
  	 * @return {Number}           The position of the target in the subject, or -1 if it does not exist.
  	 */
  	module.exports = function fastIndexOf (subject, target, fromIndex) {
  	  var length = subject.length,
  	      i = 0;
  
  	  if (typeof fromIndex === 'number') {
  	    i = fromIndex;
  	    if (i < 0) {
  	      i += length;
  	      if (i < 0) {
  	        i = 0;
  	      }
  	    }
  	  }
  
  	  for (; i < length; i++) {
  	    if (subject[i] === target) {
  	      return i;
  	    }
  	  }
  	  return -1;
  	};
  
  
  /***/ }),
  /* 20 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * # Last Index Of
  	 *
  	 * A faster `Array.prototype.lastIndexOf()` implementation.
  	 *
  	 * @param  {Array}  subject The array (or array-like) to search within.
  	 * @param  {mixed}  target  The target item to search for.
  	 * @param  {Number} fromIndex The position to start searching backwards from, if known.
  	 * @return {Number}         The last position of the target in the subject, or -1 if it does not exist.
  	 */
  	module.exports = function fastLastIndexOf (subject, target, fromIndex) {
  	  var length = subject.length,
  	      i = length - 1;
  
  	  if (typeof fromIndex === 'number') {
  	    i = fromIndex;
  	    if (i < 0) {
  	      i += length;
  	    }
  	  }
  	  for (; i >= 0; i--) {
  	    if (subject[i] === target) {
  	      return i;
  	    }
  	  }
  	  return -1;
  	};
  
  
  /***/ }),
  /* 21 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal3 = __webpack_require__(16);
  
  	/**
  	 * # Map
  	 *
  	 * A fast `.map()` implementation.
  	 *
  	 * @param  {Array}    subject     The array (or array-like) to map over.
  	 * @param  {Function} fn          The mapper function.
  	 * @param  {Object}   thisContext The context for the mapper.
  	 * @return {Array}                The array containing the results.
  	 */
  	module.exports = function fastMap (subject, fn, thisContext) {
  	  var length = subject.length,
  	      result = new Array(length),
  	      iterator = thisContext !== undefined ? bindInternal3(fn, thisContext) : fn,
  	      i;
  	  for (i = 0; i < length; i++) {
  	    result[i] = iterator(subject[i], i, subject);
  	  }
  	  return result;
  	};
  
  
  /***/ }),
  /* 22 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * # Pluck
  	 * Pluck the property with the given name from an array of objects.
  	 *
  	 * @param  {Array}  input The values to pluck from.
  	 * @param  {String} field The name of the field to pluck.
  	 * @return {Array}        The plucked array of values.
  	 */
  	module.exports = function fastPluck (input, field) {
  	  var length = input.length,
  	      plucked = [],
  	      count = 0,
  	      value, i;
  
  	  for (i = 0; i < length; i++) {
  	    value = input[i];
  	    if (value != null && value[field] !== undefined) {
  	      plucked[count++] = value[field];
  	    }
  	  }
  	  return plucked;
  	};
  
  /***/ }),
  /* 23 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal4 = __webpack_require__(24);
  
  	/**
  	 * # Reduce
  	 *
  	 * A fast `.reduce()` implementation.
  	 *
  	 * @param  {Array}    subject      The array (or array-like) to reduce.
  	 * @param  {Function} fn           The reducer function.
  	 * @param  {mixed}    initialValue The initial value for the reducer, defaults to subject[0].
  	 * @param  {Object}   thisContext  The context for the reducer.
  	 * @return {mixed}                 The final result.
  	 */
  	module.exports = function fastReduce (subject, fn, initialValue, thisContext) {
  	  var length = subject.length,
  	      iterator = thisContext !== undefined ? bindInternal4(fn, thisContext) : fn,
  	      i, result;
  
  	  if (initialValue === undefined) {
  	    i = 1;
  	    result = subject[0];
  	  }
  	  else {
  	    i = 0;
  	    result = initialValue;
  	  }
  
  	  for (; i < length; i++) {
  	    result = iterator(result, subject[i], i, subject);
  	  }
  
  	  return result;
  	};
  
  
  /***/ }),
  /* 24 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * Internal helper to bind a function known to have 4 arguments
  	 * to a given context.
  	 */
  	module.exports = function bindInternal4 (func, thisContext) {
  	  return function (a, b, c, d) {
  	    return func.call(thisContext, a, b, c, d);
  	  };
  	};
  
  
  /***/ }),
  /* 25 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal4 = __webpack_require__(24);
  
  	/**
  	 * # Reduce Right
  	 *
  	 * A fast `.reduceRight()` implementation.
  	 *
  	 * @param  {Array}    subject      The array (or array-like) to reduce.
  	 * @param  {Function} fn           The reducer function.
  	 * @param  {mixed}    initialValue The initial value for the reducer, defaults to subject[0].
  	 * @param  {Object}   thisContext  The context for the reducer.
  	 * @return {mixed}                 The final result.
  	 */
  	module.exports = function fastReduce (subject, fn, initialValue, thisContext) {
  	  var length = subject.length,
  	      iterator = thisContext !== undefined ? bindInternal4(fn, thisContext) : fn,
  	      i, result;
  
  	  if (initialValue === undefined) {
  	    i = length - 2;
  	    result = subject[length - 1];
  	  }
  	  else {
  	    i = length - 1;
  	    result = initialValue;
  	  }
  
  	  for (; i >= 0; i--) {
  	    result = iterator(result, subject[i], i, subject);
  	  }
  
  	  return result;
  	};
  
  
  /***/ }),
  /* 26 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal3 = __webpack_require__(16);
  
  	/**
  	 * # Some
  	 *
  	 * A fast `.some()` implementation.
  	 *
  	 * @param  {Array}    subject     The array (or array-like) to iterate over.
  	 * @param  {Function} fn          The visitor function.
  	 * @param  {Object}   thisContext The context for the visitor.
  	 * @return {Boolean}              true if at least one item in the array passes the truth test.
  	 */
  	module.exports = function fastSome (subject, fn, thisContext) {
  	  var length = subject.length,
  	      iterator = thisContext !== undefined ? bindInternal3(fn, thisContext) : fn,
  	      i;
  	  for (i = 0; i < length; i++) {
  	    if (iterator(subject[i], i, subject)) {
  	      return true;
  	    }
  	  }
  	  return false;
  	};
  
  
  /***/ }),
  /* 27 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * # Fill
  	 * Fill an array with values, optionally starting and stopping at a given index.
  	 *
  	 * > Note: unlike the specced Array.prototype.fill(), this version does not support
  	 * > negative start / end arguments.
  	 *
  	 * @param  {Array}   subject The array to fill.
  	 * @param  {mixed}   value   The value to insert.
  	 * @param  {Integer} start   The start position, defaults to 0.
  	 * @param  {Integer} end     The end position, defaults to subject.length
  	 * @return {Array}           The now filled subject.
  	 */
  	module.exports = function fastFill (subject, value, start, end) {
  	  var length = subject.length,
  	      i;
  	  if (start === undefined) {
  	    start = 0;
  	  }
  	  if (end === undefined) {
  	    end = length;
  	  }
  	  for (i = start; i < end; i++) {
  	    subject[i] = value;
  	  }
  	  return subject;
  	};
  
  /***/ }),
  /* 28 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	exports.apply = __webpack_require__(29);
  	exports.bind = __webpack_require__(32);
  	exports.partial = __webpack_require__(33);
  	exports.partialConstructor = __webpack_require__(34);
  	exports.try = __webpack_require__(35);
  
  
  /***/ }),
  /* 29 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var applyWithContext = __webpack_require__(30);
  	var applyNoContext = __webpack_require__(31);
  
  	/**
  	 * # Apply
  	 *
  	 * Faster version of `Function::apply()`, optimised for 8 arguments or fewer.
  	 *
  	 *
  	 * @param  {Function} subject   The function to apply.
  	 * @param  {Object} thisContext The context for the function, set to undefined or null if no context is required.
  	 * @param  {Array} args         The arguments for the function.
  	 * @return {mixed}              The result of the function invocation.
  	 */
  	module.exports = function fastApply (subject, thisContext, args) {
  	  return thisContext !== undefined ? applyWithContext(subject, thisContext, args) : applyNoContext(subject, args);
  	};
  
  
  /***/ }),
  /* 30 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * Internal helper for applying a function with a context.
  	 */
  	module.exports = function applyWithContext (subject, thisContext, args) {
  	  switch (args.length) {
  	    case 0:
  	      return subject.call(thisContext);
  	    case 1:
  	      return subject.call(thisContext, args[0]);
  	    case 2:
  	      return subject.call(thisContext, args[0], args[1]);
  	    case 3:
  	      return subject.call(thisContext, args[0], args[1], args[2]);
  	    case 4:
  	      return subject.call(thisContext, args[0], args[1], args[2], args[3]);
  	    case 5:
  	      return subject.call(thisContext, args[0], args[1], args[2], args[3], args[4]);
  	    case 6:
  	      return subject.call(thisContext, args[0], args[1], args[2], args[3], args[4], args[5]);
  	    case 7:
  	      return subject.call(thisContext, args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
  	    case 8:
  	      return subject.call(thisContext, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7]);
  	    default:
  	      return subject.apply(thisContext, args);
  	  }
  	};
  
  
  /***/ }),
  /* 31 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * Internal helper for applying a function without a context.
  	 */
  	module.exports = function applyNoContext (subject, args) {
  	  switch (args.length) {
  	    case 0:
  	      return subject();
  	    case 1:
  	      return subject(args[0]);
  	    case 2:
  	      return subject(args[0], args[1]);
  	    case 3:
  	      return subject(args[0], args[1], args[2]);
  	    case 4:
  	      return subject(args[0], args[1], args[2], args[3]);
  	    case 5:
  	      return subject(args[0], args[1], args[2], args[3], args[4]);
  	    case 6:
  	      return subject(args[0], args[1], args[2], args[3], args[4], args[5]);
  	    case 7:
  	      return subject(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
  	    case 8:
  	      return subject(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7]);
  	    default:
  	      return subject.apply(undefined, args);
  	  }
  	};
  
  
  /***/ }),
  /* 32 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var applyWithContext = __webpack_require__(30);
  	var applyNoContext = __webpack_require__(31);
  
  	/**
  	 * # Bind
  	 * Analogue of `Function::bind()`.
  	 *
  	 * ```js
  	 * var bind = require('fast.js').bind;
  	 * var bound = bind(myfunc, this, 1, 2, 3);
  	 *
  	 * bound(4);
  	 * ```
  	 *
  	 *
  	 * @param  {Function} fn          The function which should be bound.
  	 * @param  {Object}   thisContext The context to bind the function to.
  	 * @param  {mixed}    args, ...   Additional arguments to pre-bind.
  	 * @return {Function}             The bound function.
  	 */
  	module.exports = function fastBind (fn, thisContext) {
  	  var boundLength = arguments.length - 2,
  	      boundArgs;
  
  	  if (boundLength > 0) {
  	    boundArgs = new Array(boundLength);
  	    for (var i = 0; i < boundLength; i++) {
  	      boundArgs[i] = arguments[i + 2];
  	    }
  	    if (thisContext !== undefined) {
  	      return function () {
  	        var length = arguments.length,
  	            args = new Array(boundLength + length),
  	            i;
  	        for (i = 0; i < boundLength; i++) {
  	          args[i] = boundArgs[i];
  	        }
  	        for (i = 0; i < length; i++) {
  	          args[boundLength + i] = arguments[i];
  	        }
  	        return applyWithContext(fn, thisContext, args);
  	      };
  	    }
  	    else {
  	      return function () {
  	        var length = arguments.length,
  	            args = new Array(boundLength + length),
  	            i;
  	        for (i = 0; i < boundLength; i++) {
  	          args[i] = boundArgs[i];
  	        }
  	        for (i = 0; i < length; i++) {
  	          args[boundLength + i] = arguments[i];
  	        }
  	        return applyNoContext(fn, args);
  	      };
  	    }
  	  }
  	  if (thisContext !== undefined) {
  	    return function () {
  	      return applyWithContext(fn, thisContext, arguments);
  	    };
  	  }
  	  else {
  	    return function () {
  	      return applyNoContext(fn, arguments);
  	    };
  	  }
  	};
  
  
  /***/ }),
  /* 33 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var applyWithContext = __webpack_require__(30);
  
  	/**
  	 * # Partial Application
  	 *
  	 * Partially apply a function. This is similar to `.bind()`,
  	 * but with one important difference - the returned function is not bound
  	 * to a particular context. This makes it easy to add partially
  	 * applied methods to objects. If you need to bind to a context,
  	 * use `.bind()` instead.
  	 *
  	 * > Note: This function does not support partial application for
  	 * constructors, for that see `partialConstructor()`
  	 *
  	 *
  	 * @param  {Function} fn          The function to partially apply.
  	 * @param  {mixed}    args, ...   Arguments to pre-bind.
  	 * @return {Function}             The partially applied function.
  	 */
  	module.exports = function fastPartial (fn) {
  	  var boundLength = arguments.length - 1,
  	      boundArgs;
  
  	  boundArgs = new Array(boundLength);
  	  for (var i = 0; i < boundLength; i++) {
  	    boundArgs[i] = arguments[i + 1];
  	  }
  	  return function () {
  	    var length = arguments.length,
  	        args = new Array(boundLength + length),
  	        i;
  	    for (i = 0; i < boundLength; i++) {
  	      args[i] = boundArgs[i];
  	    }
  	    for (i = 0; i < length; i++) {
  	      args[boundLength + i] = arguments[i];
  	    }
  	    return applyWithContext(fn, this, args);
  	  };
  	};
  
  
  /***/ }),
  /* 34 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var applyWithContext = __webpack_require__(30);
  
  	/**
  	 * # Partial Constructor
  	 *
  	 * Partially apply a constructor function. The returned function
  	 * will work with or without the `new` keyword.
  	 *
  	 *
  	 * @param  {Function} fn          The constructor function to partially apply.
  	 * @param  {mixed}    args, ...   Arguments to pre-bind.
  	 * @return {Function}             The partially applied constructor.
  	 */
  	module.exports = function fastPartialConstructor (fn) {
  	  var boundLength = arguments.length - 1,
  	      boundArgs;
  
  	  boundArgs = new Array(boundLength);
  	  for (var i = 0; i < boundLength; i++) {
  	    boundArgs[i] = arguments[i + 1];
  	  }
  	  return function partialed () {
  	    var length = arguments.length,
  	        args = new Array(boundLength + length),
  	        i;
  	    for (i = 0; i < boundLength; i++) {
  	      args[i] = boundArgs[i];
  	    }
  	    for (i = 0; i < length; i++) {
  	      args[boundLength + i] = arguments[i];
  	    }
  
  	    var thisContext = Object.create(fn.prototype),
  	        result = applyWithContext(fn, thisContext, args);
  
  	    if (result != null && (typeof result === 'object' || typeof result === 'function')) {
  	      return result;
  	    }
  	    else {
  	      return thisContext;
  	    }
  	  };
  	};
  
  
  /***/ }),
  /* 35 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * # Try
  	 *
  	 * Allows functions to be optimised by isolating `try {} catch (e) {}` blocks
  	 * outside the function declaration. Returns either the result of the function or an Error
  	 * object if one was thrown. The caller should then check for `result instanceof Error`.
  	 *
  	 * ```js
  	 * var result = fast.try(myFunction);
  	 * if (result instanceof Error) {
  	 *    console.log('something went wrong');
  	 * }
  	 * else {
  	 *   console.log('result:', result);
  	 * }
  	 * ```
  	 *
  	 * @param  {Function} fn The function to invoke.
  	 * @return {mixed}       The result of the function, or an `Error` object.
  	 */
  	module.exports = function fastTry (fn) {
  	  try {
  	    return fn();
  	  }
  	  catch (e) {
  	    if (!(e instanceof Error)) {
  	      return new Error(e);
  	    }
  	    else {
  	      return e;
  	    }
  	  }
  	};
  
  
  /***/ }),
  /* 36 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	exports.assign = __webpack_require__(37);
  	exports.clone = __webpack_require__(38);
  	exports.filter = __webpack_require__(39);
  	exports.forEach = __webpack_require__(40);
  	exports.map = __webpack_require__(41);
  	exports.reduce = __webpack_require__(42);
  	exports.reduceRight = __webpack_require__(43);
  	exports.keys = __webpack_require__(44);
  	exports.values = __webpack_require__(45);
  
  /***/ }),
  /* 37 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * Analogue of Object.assign().
  	 * Copies properties from one or more source objects to
  	 * a target object. Existing keys on the target object will be overwritten.
  	 *
  	 * > Note: This differs from spec in some important ways:
  	 * > 1. Will throw if passed non-objects, including `undefined` or `null` values.
  	 * > 2. Does not support the curious Exception handling behavior, exceptions are thrown immediately.
  	 * > For more details, see:
  	 * > https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
  	 *
  	 *
  	 *
  	 * @param  {Object} target      The target object to copy properties to.
  	 * @param  {Object} source, ... The source(s) to copy properties from.
  	 * @return {Object}             The updated target object.
  	 */
  	module.exports = function fastAssign (target) {
  	  var totalArgs = arguments.length,
  	      source, i, totalKeys, keys, key, j;
  
  	  for (i = 1; i < totalArgs; i++) {
  	    source = arguments[i];
  	    keys = Object.keys(source);
  	    totalKeys = keys.length;
  	    for (j = 0; j < totalKeys; j++) {
  	      key = keys[j];
  	      target[key] = source[key];
  	    }
  	  }
  	  return target;
  	};
  
  
  /***/ }),
  /* 38 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * # Clone Object
  	 *
  	 * Shallow clone a simple object.
  	 *
  	 * > Note: Prototypes and non-enumerable properties will not be copied!
  	 *
  	 * @param  {Object} input The object to clone.
  	 * @return {Object}       The cloned object.
  	 */
  	module.exports = function fastCloneObject (input) {
  	  var keys = Object.keys(input),
  	      total = keys.length,
  	      cloned = {},
  	      i, key;
  
  	  for (i = 0; i < total; i++) {
  	    key = keys[i];
  	    cloned[key] = input[key];
  	  }
  
  	  return cloned;
  	};
  
  
  /***/ }),
  /* 39 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal3 = __webpack_require__(16);
  
  	/**
  	 * # Filter
  	 *
  	 * A fast object `.filter()` implementation.
  	 *
  	 * @param  {Object}   subject     The object to filter.
  	 * @param  {Function} fn          The filter function.
  	 * @param  {Object}   thisContext The context for the filter.
  	 * @return {Object}               The new object containing the filtered results.
  	 */
  	module.exports = function fastFilterObject (subject, fn, thisContext) {
  	  var keys = Object.keys(subject),
  	      length = keys.length,
  	      result = {},
  	      iterator = thisContext !== undefined ? bindInternal3(fn, thisContext) : fn,
  	      i, key;
  	  for (i = 0; i < length; i++) {
  	    key = keys[i];
  	    if (iterator(subject[key], key, subject)) {
  	      result[key] = subject[key];
  	    }
  	  }
  	  return result;
  	};
  
  
  /***/ }),
  /* 40 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal3 = __webpack_require__(16);
  
  	/**
  	 * # For Each
  	 *
  	 * A fast object `.forEach()` implementation.
  	 *
  	 * @param  {Object}   subject     The object to iterate over.
  	 * @param  {Function} fn          The visitor function.
  	 * @param  {Object}   thisContext The context for the visitor.
  	 */
  	module.exports = function fastForEachObject (subject, fn, thisContext) {
  	  var keys = Object.keys(subject),
  	      length = keys.length,
  	      iterator = thisContext !== undefined ? bindInternal3(fn, thisContext) : fn,
  	      key, i;
  	  for (i = 0; i < length; i++) {
  	    key = keys[i];
  	    iterator(subject[key], key, subject);
  	  }
  	};
  
  
  /***/ }),
  /* 41 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal3 = __webpack_require__(16);
  
  	/**
  	 * # Map
  	 *
  	 * A fast object `.map()` implementation.
  	 *
  	 * @param  {Object}   subject     The object to map over.
  	 * @param  {Function} fn          The mapper function.
  	 * @param  {Object}   thisContext The context for the mapper.
  	 * @return {Object}               The new object containing the results.
  	 */
  	module.exports = function fastMapObject (subject, fn, thisContext) {
  	  var keys = Object.keys(subject),
  	      length = keys.length,
  	      result = {},
  	      iterator = thisContext !== undefined ? bindInternal3(fn, thisContext) : fn,
  	      i, key;
  	  for (i = 0; i < length; i++) {
  	    key = keys[i];
  	    result[key] = iterator(subject[key], key, subject);
  	  }
  	  return result;
  	};
  
  
  /***/ }),
  /* 42 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal4 = __webpack_require__(24);
  
  	/**
  	 * # Reduce
  	 *
  	 * A fast object `.reduce()` implementation.
  	 *
  	 * @param  {Object}   subject      The object to reduce over.
  	 * @param  {Function} fn           The reducer function.
  	 * @param  {mixed}    initialValue The initial value for the reducer, defaults to subject[0].
  	 * @param  {Object}   thisContext  The context for the reducer.
  	 * @return {mixed}                 The final result.
  	 */
  	module.exports = function fastReduceObject (subject, fn, initialValue, thisContext) {
  	  var keys = Object.keys(subject),
  	      length = keys.length,
  	      iterator = thisContext !== undefined ? bindInternal4(fn, thisContext) : fn,
  	      i, key, result;
  
  	  if (initialValue === undefined) {
  	    i = 1;
  	    result = subject[keys[0]];
  	  }
  	  else {
  	    i = 0;
  	    result = initialValue;
  	  }
  
  	  for (; i < length; i++) {
  	    key = keys[i];
  	    result = iterator(result, subject[key], key, subject);
  	  }
  
  	  return result;
  	};
  
  
  /***/ }),
  /* 43 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var bindInternal4 = __webpack_require__(24);
  
  	/**
  	 * # Reduce
  	 *
  	 * A fast object `.reduce()` implementation.
  	 *
  	 * @param  {Object}   subject      The object to reduce over.
  	 * @param  {Function} fn           The reducer function.
  	 * @param  {mixed}    initialValue The initial value for the reducer, defaults to subject[0].
  	 * @param  {Object}   thisContext  The context for the reducer.
  	 * @return {mixed}                 The final result.
  	 */
  	module.exports = function fastReduceRightObject (subject, fn, initialValue, thisContext) {
  	  var keys = Object.keys(subject),
  	      length = keys.length,
  	      iterator = thisContext !== undefined ? bindInternal4(fn, thisContext) : fn,
  	      i, key, result;
  
  	  if (initialValue === undefined) {
  	    i = length - 2;
  	    result = subject[keys[length - 1]];
  	  }
  	  else {
  	    i = length - 1;
  	    result = initialValue;
  	  }
  
  	  for (; i >= 0; i--) {
  	    key = keys[i];
  	    result = iterator(result, subject[key], key, subject);
  	  }
  
  	  return result;
  	};
  
  
  /***/ }),
  /* 44 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * Object.keys() shim for ES3 environments.
  	 *
  	 * @param  {Object} obj The object to get keys for.
  	 * @return {Array}      The array of keys.
  	 */
  	module.exports = typeof Object.keys === "function" ? Object.keys : /* istanbul ignore next */ function fastKeys (obj) {
  	  var keys = [];
  	  for (var key in obj) {
  	    if (Object.prototype.hasOwnProperty.call(obj, key)) {
  	      keys.push(key);
  	    }
  	  }
  	  return keys;
  	};
  
  /***/ }),
  /* 45 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	/**
  	 * # Values
  	 * Return all the (enumerable) property values for an object.
  	 * Like Object.keys() but for values.
  	 *
  	 * @param  {Object} obj The object to retrieve values from.
  	 * @return {Array}      An array containing property values.
  	 */
  	module.exports = function fastValues (obj) {
  	  var keys = Object.keys(obj),
  	      length = keys.length,
  	      values = new Array(length);
  
  	  for (var i = 0; i < length; i++) {
  	    values[i] = obj[keys[i]];
  	  }
  	  return values;
  	};
  
  /***/ }),
  /* 46 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	exports.intern = __webpack_require__(47);
  
  /***/ }),
  /* 47 */
  /***/ (function(module, exports) {
  
  	'use strict';
  
  	// Compilers such as V8 use string interning to make string comparison very fast and efficient,
  	// as efficient as comparing two references to the same object.
  	//
  	//
  	// V8 does its best to intern strings automatically where it can, for instance:
  	// ```js
  	//   var greeting = "hello world";
  	// ```
  	// With this, comparison will be very fast:
  	// ```js
  	//   if (greeting === "hello world") {}
  	// ```
  	// However, there are several cases where V8 cannot intern the string, and instead
  	// must resort to byte-wise comparison. This can be signficantly slower for long strings.
  	// The most common example is string concatenation:
  	// ```js
  	//   function subject () { return "world"; };
  	//   var greeting = "hello " + subject();
  	// ```
  	// In this case, V8 cannot intern the string. So this comparison is *much* slower:
  	// ```js
  	//  if (greeting === "hello world") {}
  	// ```
  
  
  
  	// At the moment, the fastest, safe way of interning a string is to
  	// use it as a key in an object, and then use that key.
  	//
  	// Note: This technique comes courtesy of Petka Antonov - http://jsperf.com/istrn/11
  	//
  	// We create a container object in hash mode.
  	// Most strings being interned will not be valid fast property names,
  	// so we ensure hash mode now to avoid transitioning the object mode at runtime.
  	var container = {'- ': true};
  	delete container['- '];
  
  
  	/**
  	 * Intern a string to make comparisons faster.
  	 *
  	 * > Note: This is a relatively expensive operation, you
  	 * shouldn't usually do the actual interning at runtime, instead
  	 * use this at compile time to make future work faster.
  	 *
  	 * @param  {String} string The string to intern.
  	 * @return {String}        The interned string.
  	 */
  	module.exports = function fastIntern (string) {
  	  container[string] = true;
  	  var interned = Object.keys(container)[0];
  	  delete container[interned];
  	  return interned;
  	};
  
  /***/ }),
  /* 48 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var cloneArray = __webpack_require__(13);
  	var cloneObject = __webpack_require__(38);
  
  	/**
  	 * # Clone
  	 *
  	 * Clone an item. Primitive values will be returned directly,
  	 * arrays and objects will be shallow cloned. If you know the
  	 * type of input you're dealing with, call `.cloneArray()` or `.cloneObject()`
  	 * instead.
  	 *
  	 * @param  {mixed} input The input to clone.
  	 * @return {mixed}       The cloned input.
  	 */
  	module.exports = function clone (input) {
  	  if (!input || typeof input !== 'object') {
  	    return input;
  	  }
  	  else if (Array.isArray(input)) {
  	    return cloneArray(input);
  	  }
  	  else {
  	    return cloneObject(input);
  	  }
  	};
  
  
  /***/ }),
  /* 49 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var mapArray = __webpack_require__(21),
  	    mapObject = __webpack_require__(41);
  
  	/**
  	 * # Map
  	 *
  	 * A fast `.map()` implementation.
  	 *
  	 * @param  {Array|Object} subject     The array or object to map over.
  	 * @param  {Function}     fn          The mapper function.
  	 * @param  {Object}       thisContext The context for the mapper.
  	 * @return {Array|Object}             The array or object containing the results.
  	 */
  	module.exports = function fastMap (subject, fn, thisContext) {
  	  if (subject instanceof Array) {
  	    return mapArray(subject, fn, thisContext);
  	  }
  	  else {
  	    return mapObject(subject, fn, thisContext);
  	  }
  	};
  
  /***/ }),
  /* 50 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var filterArray = __webpack_require__(17),
  	    filterObject = __webpack_require__(39);
  
  	/**
  	 * # Filter
  	 *
  	 * A fast `.filter()` implementation.
  	 *
  	 * @param  {Array|Object} subject     The array or object to filter.
  	 * @param  {Function}     fn          The filter function.
  	 * @param  {Object}       thisContext The context for the filter.
  	 * @return {Array|Object}             The array or object containing the filtered results.
  	 */
  	module.exports = function fastFilter (subject, fn, thisContext) {
  	  if (subject instanceof Array) {
  	    return filterArray(subject, fn, thisContext);
  	  }
  	  else {
  	    return filterObject(subject, fn, thisContext);
  	  }
  	};
  
  /***/ }),
  /* 51 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var forEachArray = __webpack_require__(18),
  	    forEachObject = __webpack_require__(40);
  
  	/**
  	 * # ForEach
  	 *
  	 * A fast `.forEach()` implementation.
  	 *
  	 * @param  {Array|Object} subject     The array or object to iterate over.
  	 * @param  {Function}     fn          The visitor function.
  	 * @param  {Object}       thisContext The context for the visitor.
  	 */
  	module.exports = function fastForEach (subject, fn, thisContext) {
  	  if (subject instanceof Array) {
  	    return forEachArray(subject, fn, thisContext);
  	  }
  	  else {
  	    return forEachObject(subject, fn, thisContext);
  	  }
  	};
  
  /***/ }),
  /* 52 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var reduceArray = __webpack_require__(23),
  	    reduceObject = __webpack_require__(42);
  
  	/**
  	 * # Reduce
  	 *
  	 * A fast `.reduce()` implementation.
  	 *
  	 * @param  {Array|Object} subject      The array or object to reduce over.
  	 * @param  {Function}     fn           The reducer function.
  	 * @param  {mixed}        initialValue The initial value for the reducer, defaults to subject[0].
  	 * @param  {Object}       thisContext  The context for the reducer.
  	 * @return {Array|Object}              The array or object containing the results.
  	 */
  	module.exports = function fastReduce (subject, fn, initialValue, thisContext) {
  	  if (subject instanceof Array) {
  	    return reduceArray(subject, fn, initialValue, thisContext);
  	  }
  	  else {
  	    return reduceObject(subject, fn, initialValue, thisContext);
  	  }
  	};
  
  /***/ }),
  /* 53 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var reduceRightArray = __webpack_require__(25),
  	    reduceRightObject = __webpack_require__(43);
  
  	/**
  	 * # Reduce Right
  	 *
  	 * A fast `.reduceRight()` implementation.
  	 *
  	 * @param  {Array|Object} subject      The array or object to reduce over.
  	 * @param  {Function}     fn           The reducer function.
  	 * @param  {mixed}        initialValue The initial value for the reducer, defaults to subject[0].
  	 * @param  {Object}       thisContext  The context for the reducer.
  	 * @return {Array|Object}              The array or object containing the results.
  	 */
  	module.exports = function fastReduceRight (subject, fn, initialValue, thisContext) {
  	  if (subject instanceof Array) {
  	    return reduceRightArray(subject, fn, initialValue, thisContext);
  	  }
  	  else {
  	    return reduceRightObject(subject, fn, initialValue, thisContext);
  	  }
  	};
  
  /***/ }),
  /* 54 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var nofnLib = __webpack_require__(!(function webpackMissingModule() { var e = new Error("Cannot find module \"../../lib\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()));
  	var _ = __webpack_require__(9);
  	var fast = __webpack_require__(11);
  	var times = 1e3;
  
  	var iterable = {},
  	    j = void 0;
  	for (var i = 0; i < 1e3; i++) {
  		iterable['x' + i] = i;
  	}
  
  	console.group('forOwn');
  
  	console.time('for .. in');
  	j = 0;
  	for (var _i = 0; _i < times; _i++) {
  		for (var prop in iterable) {
  			if (iterable.hasOwnProperty(prop)) {
  				j += iterable[prop];
  			}
  		}
  	}
  	console.timeEnd('for .. in');
  
  	console.time('_.forOwn');
  	j = 0;
  	for (var _i2 = 0; _i2 < times; _i2++) {
  		_.forOwn(iterable, function (value, key) {
  			j += value;
  		});
  	}
  	console.timeEnd('_.forOwn');
  
  	console.time('fast.forEach');
  	j = 0;
  	for (var _i3 = 0; _i3 < times; _i3++) {
  		fast.forEach(iterable, function (value, key) {
  			j += value;
  		});
  	}
  	console.timeEnd('fast.forEach');
  
  	console.time('nofnLib.forOwn');
  	j = 0;
  	for (var _i4 = 0; _i4 < times; _i4++) {
  		nofnLib.forOwn(iterable, function (value, key) {
  			j += value;
  		});
  	}
  	console.timeEnd('nofnLib.forOwn');
  
  	console.time('nofn.forOwn');
  	j = 0;
  	for (var _i5 = 0; _i5 < times; _i5++) {
  		for (var _target = iterable, _keys = Object.keys(_target), _i6 = 0, key, value, _l = _keys.length; (key = _keys[_i6], value = _target[key]), _i6 < _l; _i6++) {
  			j += value;
  		}
  	}
  	console.timeEnd('nofn.forOwn');
  
  	console.groupEnd();
  
  /***/ }),
  /* 55 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var nofnLib = __webpack_require__(!(function webpackMissingModule() { var e = new Error("Cannot find module \"../../lib\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()));
  	var _ = __webpack_require__(9);
  	var fast = __webpack_require__(11);
  	var times = 2e4;
  
  	var iterable = [],
  	    j = void 0;
  
  	for (var i = 0; i < 1e3; i++) {
  		iterable[i] = i * 2;
  	}
  
  	console.group('forEach');
  
  	console.time('_.forEach');
  	j = 0;
  	for (var _i = 0; _i < times; _i++) {
  		_.forEach(iterable, function (value, key) {
  			j += value;
  		});
  	}
  	console.timeEnd('_.forEach');
  
  	console.time('Array.prototype.forEach');
  	j = 0;
  	for (var _i2 = 0; _i2 < times; _i2++) {
  		iterable.forEach(function (value, key) {
  			j += value;
  		});
  	}
  	console.timeEnd('Array.prototype.forEach');
  
  	console.time('fast.forEach');
  	j = 0;
  	for (var _i3 = 0; _i3 < times; _i3++) {
  		fast.forEach(iterable, function (value, key) {
  			j += value;
  		});
  	}
  	console.timeEnd('fast.forEach');
  
  	console.time('nofnLib.forEach');
  	j = 0;
  	for (var _i4 = 0; _i4 < times; _i4++) {
  		nofnLib.forEach(iterable, function (value, key) {
  			j += value;
  		});
  	}
  	console.timeEnd('nofnLib.forEach');
  
  	console.time('nofn.forEach');
  	j = 0;
  	for (var _i5 = 0; _i5 < times; _i5++) {
  		for (var _target = iterable, key = 0, value, _l = _target.length; value = _target[key], key < _l; key++) {
  			j += value;
  		}
  	}
  	console.timeEnd('nofn.forEach');
  
  	console.groupEnd();
  
  /***/ }),
  /* 56 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var nofnLib = __webpack_require__(!(function webpackMissingModule() { var e = new Error("Cannot find module \"../../lib\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()));
  	var _ = __webpack_require__(9);
  	var fast = __webpack_require__(11);
  	var times = 1e4;
  
  	var iterable = {};
  
  	for (var i = 0; i < 1e3; i++) {
  		iterable[i] = i * 2;
  		iterable.length = i + 1;
  	}
  
  	console.group('slice (clone)');
  
  	console.time('Array.prototype.slice');
  	for (var _i = 0; _i < times; _i++) {
  		Array.prototype.slice.call(iterable);
  	}
  	console.timeEnd('Array.prototype.slice');
  
  	console.time('_.slice');
  	for (var _i2 = 0; _i2 < times; _i2++) {
  		_.slice(iterable);
  	}
  	console.timeEnd('_.slice');
  
  	console.time('fast.clone');
  	for (var _i3 = 0; _i3 < times; _i3++) {
  		fast.clone(iterable);
  	}
  	console.timeEnd('fast.clone');
  
  	console.time('nofnLib.slice');
  	for (var _i4 = 0; _i4 < times; _i4++) {
  		nofnLib.slice(iterable);
  	}
  	console.timeEnd('nofnLib.slice');
  
  	console.time('nofn.slice');
  	for (var _i5 = 0; _i5 < times; _i5++) {
  		var _source = iterable,
  		    _l = _source.length,
  		    _i6 = null || 0,
  		    _end = null || _l,
  		    _j = 0,
  		    _result = Array(_end - _i6);
  
  		while (_i6 < _end) {
  			_result[_j++] = _source[_i6++];
  		}
  	}
  	console.timeEnd('nofn.slice');
  
  	console.groupEnd();
  
  /***/ }),
  /* 57 */
  /***/ (function(module, exports, __webpack_require__) {
  
  	'use strict';
  
  	var nofnLib = __webpack_require__(!(function webpackMissingModule() { var e = new Error("Cannot find module \"../../lib\""); e.code = 'MODULE_NOT_FOUND'; throw e; }()));
  	var _ = __webpack_require__(9);
  	var fast = __webpack_require__(11);
  	var times = 2e4;
  
  	var iterable = [],
  	    j = void 0;
  
  	for (var i = 0; i < 1e3; i++) {
  		iterable[i] = i * 2;
  	}
  
  	console.group('map');
  
  	console.time('_.map');
  	j = 0;
  	for (var _i = 0; _i < times; _i++) {
  		_.map(iterable, function (value, key) {
  			j += value;
  			return j;
  		});
  	}
  	console.timeEnd('_.map');
  
  	console.time('Array.prototype.map');
  	j = 0;
  	for (var _i2 = 0; _i2 < times; _i2++) {
  		iterable.map(function (value, key) {
  			j += value;
  			return j;
  		});
  	}
  	console.timeEnd('Array.prototype.map');
  
  	console.time('fast.map');
  	j = 0;
  	for (var _i3 = 0; _i3 < times; _i3++) {
  		fast.map(iterable, function (value, key) {
  			j += value;
  			return j;
  		});
  	}
  	console.timeEnd('fast.map');
  
  	console.time('nofnLib.map');
  	j = 0;
  	for (var _i4 = 0; _i4 < times; _i4++) {
  		nofnLib.map(iterable, function (value, key) {
  			j += value;
  			return j;
  		});
  	}
  	console.timeEnd('nofnLib.map');
  
  	console.time('nofn.map');
  	j = 0;
  	for (var _i5 = 0; _i5 < times; _i5++) {
  		for (var _target2 = iterable, key = 0, value, _l2 = _target2.length, _result2 = [], _func2 = function _func2(value, key) {
  			j += value;
  			return j;
  		}; value = _target2[key], key < _l2; key++) {
  			_result2.push(_func2(value, key));
  		}
  	}
  	console.timeEnd('nofn.map');
  
  	console.groupEnd();
  
  /***/ })
  /******/ ]);