schangxiang@126.com
2025-09-18 49a51c068d62084bc4c3e77c4be94a20de556c4a
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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));