相机校验是否唯一

liusuyi

2023-10-24 acdb4a206f64cc7b39cee05d77bbc4e98258c27b

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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));