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Reflect metadata 实现 #117

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Genluo opened this issue May 24, 2023 · 0 comments

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ECMAScript 语言层面

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Genluo commented May 24, 2023

Reflect metadata 的实现是：使用内部的一个 WeakMap，利用了 WeakMap 不增加引用计数的特点，将对象作为 Key，元数据集合作为 Value，存到 WeakMap 中去，具体实现为：

WeakMap<any, Map<any, Map<any, any>>>

Genluo added ECMAScript 语言层面 labels

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