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partial.js 436 B

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  1. 'use strict';
  2. var callable = require('../../object/valid-callable')
  3. , aFrom = require('../../array/from')
  4. , defineLength = require('../_define-length')
  5. , apply = Function.prototype.apply;
  6. module.exports = function (/*…args*/) {
  7. var fn = callable(this)
  8. , args = aFrom(arguments);
  9. return defineLength(function () {
  10. return apply.call(fn, this, args.concat(aFrom(arguments)));
  11. }, fn.length - args.length);
  12. };