time-to-botec

Benchmark sampling in different programming languages
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nthArg.js (730B)


      1 var baseNth = require('./_baseNth'),
      2     baseRest = require('./_baseRest'),
      3     toInteger = require('./toInteger');
      4 
      5 /**
      6  * Creates a function that gets the argument at index `n`. If `n` is negative,
      7  * the nth argument from the end is returned.
      8  *
      9  * @static
     10  * @memberOf _
     11  * @since 4.0.0
     12  * @category Util
     13  * @param {number} [n=0] The index of the argument to return.
     14  * @returns {Function} Returns the new pass-thru function.
     15  * @example
     16  *
     17  * var func = _.nthArg(1);
     18  * func('a', 'b', 'c', 'd');
     19  * // => 'b'
     20  *
     21  * var func = _.nthArg(-2);
     22  * func('a', 'b', 'c', 'd');
     23  * // => 'c'
     24  */
     25 function nthArg(n) {
     26   n = toInteger(n);
     27   return baseRest(function(args) {
     28     return baseNth(args, n);
     29   });
     30 }
     31 
     32 module.exports = nthArg;