7.30提交

Tcsm

2023-07-30 cfa5f387337a497fed7e70775855d93f7cb6addf

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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));