梁美英 / programming · Files

'use strict';
var create         = require('./_object-create')
  , descriptor     = require('./_property-desc')
  , setToStringTag = require('./_set-to-string-tag')
  , 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: descriptor(1, next)});
  setToStringTag(Constructor, NAME + ' Iterator');
};