> For the complete documentation index, see [llms.txt](https://d8838031.gitbook.io/effective-objective-c-2-0/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://d8838031.gitbook.io/effective-objective-c-2-0/master.md).

# Introduction

* 原文書名：Effective Objective-C 2.0: 52 Specific Ways to Improve Your iOS and OS X Programs
* 讀後感想及筆記。
  * 所有主題均為獨立，各章節只是為了彙整相關主題，並沒有一定的順序性。
  * 所有程式碼均為直接鍵入，可能會有打錯字導致編譯失敗。