--- /dev/null
+'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');
+};
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