time-to-botec

Benchmark sampling in different programming languages
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rearg.js (1023B)


      1 var createWrap = require('./_createWrap'),
      2     flatRest = require('./_flatRest');
      3 
      4 /** Used to compose bitmasks for function metadata. */
      5 var WRAP_REARG_FLAG = 256;
      6 
      7 /**
      8  * Creates a function that invokes `func` with arguments arranged according
      9  * to the specified `indexes` where the argument value at the first index is
     10  * provided as the first argument, the argument value at the second index is
     11  * provided as the second argument, and so on.
     12  *
     13  * @static
     14  * @memberOf _
     15  * @since 3.0.0
     16  * @category Function
     17  * @param {Function} func The function to rearrange arguments for.
     18  * @param {...(number|number[])} indexes The arranged argument indexes.
     19  * @returns {Function} Returns the new function.
     20  * @example
     21  *
     22  * var rearged = _.rearg(function(a, b, c) {
     23  *   return [a, b, c];
     24  * }, [2, 0, 1]);
     25  *
     26  * rearged('b', 'c', 'a')
     27  * // => ['a', 'b', 'c']
     28  */
     29 var rearg = flatRest(function(func, indexes) {
     30   return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
     31 });
     32 
     33 module.exports = rearg;