> For the complete documentation index, see [llms.txt](https://moxiaoyan.gitbook.io/objective-c2-0/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://moxiaoyan.gitbook.io/objective-c2-0/master.md).

# Effective Objective-C 20 编写高质量iOS与OS X代码的52个有效方法

三读Objective-C2.0 笔记\~（作为一个OC开发者，必读之书）