2 var collection = require('../internals/collection');
3 var collectionWeak = require('../internals/collection-weak');
5 // `WeakSet` constructor
6 // https://tc39.es/ecma262/#sec-weakset-constructor
7 collection('WeakSet', function (init) {
8 return function WeakSet() { return init(this, arguments.length ? arguments[0] : undefined); };