yz3456
2024-05-18 f0a6ed39258cd445278f9e726e5b839605e02d57
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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));