| 'use strict'; | 
| var $ = require('../internals/export'); | 
| var WeakMapHelpers = require('../internals/weak-map-helpers'); | 
| var createCollectionFrom = require('../internals/collection-from'); | 
|   | 
| // `WeakMap.from` method | 
| // https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.from | 
| $({ target: 'WeakMap', stat: true, forced: true }, { | 
|   from: createCollectionFrom(WeakMapHelpers.WeakMap, WeakMapHelpers.set, true) | 
| }); |