Objective-CメモObjective-Cメモというタイトルのページですが、Cocoa/XCodeなども今のところ同じページにごっちゃになっています。ご了承ください。 ARC ARC is Automatic Reference Counting. ARC is a feature of LLVM 3.0 compiler. It is a compiler feature. It inserts retain and release automatically for you. ARC is available in Xcode 4.2. ARC coexists peacefully with non-ARC manual memory managed code. Apple LLVM compiler is Clang. Use ownership qualifiers for telling when
