--- /dev/null
+'use strict';
+require('../../modules/es.string.iterator');
+require('../../modules/es.weak-set');
+require('../../modules/esnext.weak-set.of');
+require('../../modules/web.dom-collections.iterator');
+var path = require('../../internals/path');
+
+var WeakSet = path.WeakSet;
+var weakSetOf = WeakSet.of;
+
+module.exports = function of() {
+ return weakSetOf.apply(typeof this === 'function' ? this : WeakSet, arguments);
+};