修改memo

feige

2024-04-17 955ce833d6d079f1eddd8b40411c076204faff8f

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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));