如何实现 RACObserve 这样的宏

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This topic created in 4417 days ago, the information mentioned may be changed or developed.

RACObserve(target,keypath) 后面的keypath在输入的时候编辑器中会有target的属性alt text
http://pan.baidu.com/s/1qWmAKGG
就像图中的address，这是怎么实现的？

3 replies • 1970-01-01 08:00:00 +08:00

lldong

Apr 27, 2014

你看一下 `@keypath` 的实现，展开后由一部分为 `target.keypath` 的形式，所以会有代码补全。

Him

Apr 27, 2014

@lldong 大概知道了但是那些宏还是有点看不懂

hoogle

Apr 27, 2014

同在求一些宏的教程。。特别是LLVM相关的宏。。