9.25提交

Tcsm

2023-09-25 9a9be2ddb3edf4b45d8874901b42004256b8be85

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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));