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lua class design
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| ###lua class设计 | |
| * 首先要有super chain, 能够正确无误的调用super方法 | |
| * 在create阶段绑定所有的attribute，在create结束后，应该禁用掉一切我外部绑定新attribute的方法，防止别人改掉内省逻辑 | |
| * 所有数据成员，应该具有一个初始值设定，对数据对象的生命，应该调用self:define_attribute(key, value, defaultValue) | |
| * 对于回收时刻，应该对每一个attribute，变更成初始状态的值 | |
| * 应该支持面向接口集合的delegate，以便进行组合 | |
| * 应该对对象内置函数和状态位之间的hook来进行状态位的绑定，不给外部改变状态的机会 | |
| * 其他优化点 |
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