core-js/modules/$.iter-create.js

Standard library

'use strict';
var $ = require('./$')
  , IteratorPrototype = {};

// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
require('./$.hide')(IteratorPrototype, require('./$.wks')('iterator'), function(){ return this; });

module.exports = function(Constructor, NAME, next){
  Constructor.prototype = $.create(IteratorPrototype, {next: require('./$.property-desc')(1,next)});
  require('./$.tag')(Constructor, NAME + ' Iterator');
};