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zhangjian

2023-08-07 6b009b0f6d3ef3aee97c362cebcd679d1b9088a3

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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));