class-extensions – Tarik Billa

Objective-C class extension

September 13, 2023 by Tarik

Methods in class extensions It never used to be the case that you didn’t need to declare your private methods. Until recently, you needed to declare your private methods somewhere, and most people chose a class extension to do so. From Xcode 4.4 (I believe), the compiler is clever enough to determine which methods are … Read more

Class extension vs class category

January 25, 2023 by Tarik

The main difference is that with an extension, the compiler will expect you to implement the methods within your main @implementation, whereas with a category you have a separate @implementation block. So you should pretty much only use an extension at the top of your main .m file (the only place you should care about … Read more