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var baseNth = require('./_baseNth'), | |
baseRest = require('./_baseRest'), | |
toInteger = require('./toInteger'); | |
/** | |
* 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); | |
}); | |
} | |
module.exports = nthArg; | |