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zhangjianrock@163.com

2024-04-13 79794fdb2213fb38732e838308066aa681a1f58f

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var nativeFunctionToString = require('./_function-to-string');
var WeakMap = require('./_global').WeakMap;
 
module.exports = typeof WeakMap === 'function' && /native code/.test(nativeFunctionToString.call(WeakMap));