ChenYilong / ChenYilong/iOSInterviewQuestions

_objc_msgForward问题

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Description

> 25. _objc_msgForward 函数是做什么的,直接调用它将会发生什么?

中的:

> 4. 调用forwardInvocation:方法,将第3步获取到的方法签名包装成 Invocation 传入,如何处理就在这里面了,并返回非ni。

forwardInvocation: 方法没有返回值

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