| 'use strict'; | 
| var $ = require('../internals/export'); | 
| var WeakSetHelpers = require('../internals/weak-set-helpers'); | 
| var createCollectionOf = require('../internals/collection-of'); | 
|   | 
| // `WeakSet.of` method | 
| // https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.of | 
| $({ target: 'WeakSet', stat: true, forced: true }, { | 
|   of: createCollectionOf(WeakSetHelpers.WeakSet, WeakSetHelpers.add, false) | 
| }); |