| 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; |