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schangxiang@126.com
2025-06-13 6a8393408d8cefcea02b7a598967de8dc1e565c2
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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));