Objective-C对象模型及应用 - V2EX

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This topic created in 4730 days ago, the information mentioned may be changed or developed.

最近详细学习了一下Objective-C的对象模型，结合内部实现和实际应用写了一篇文章，分享给大家。主要讨论了ISA指针，类的成员变量在内存中的布局，类的动态修改（可变与不可变)，以及isa swizzling和method swizzling的使用。

文章链接是：
http://blog.devtang.com/blog/2013/10/15/objective-c-object-model/

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swizzling Objective 模型

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