text: /**
   * Helper function for iterating over a collection
   *
   * @param collection
   * @param fn
   */
  function each(collection, fn) {
      var i      = 0,
          length = collection.length,
          cont;
  
      for(i; i < length; i++) {
          cont = fn(collection[i], i);
          if(cont === false) {
              break; //allow early exit
          }
      }
  }
  
  /**
   * Helper function for determining whether target object is an array
   *
   * @param target the object under test
   * @return {Boolean} true if array, false otherwise
   */
  function isArray(target) {
      return Object.prototype.toString.apply(target) === '[object Array]';
  }
  
  /**
   * Helper function for determining whether target object is a function
   *
   * @param target the object under test
   * @return {Boolean} true if function, false otherwise
   */
  function isFunction(target) {
      return typeof target === 'function';
  }
  
  module.exports = {
      isFunction : isFunction,
      isArray : isArray,
      each : each
  };
  