yz3456
2024-04-06 1a1654bbd7d91df6cf4864986748e0940907c8eb
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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));