3.27

linwenling

2023-03-28 103e2d8621b25ca6d99193823dcf1d65cab395ce

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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));