Advanced iOS Memory Management with Swift: ARC, Strong, Weak and Unowned Explained

Memory management is the core concept in any programming language. Although there are plenty of tutorials that explain the basic principles of Swift automatic reference counting, I have found none that would explain it from the compiler perspective. In this article we’ll learn what’s beyond the basics of iOS memory management, reference counting and object life cycle. Let’s begin with the fundamen

[kenzan8000]

explained how objective-c's reference count works and the memory life cycle in swift language.

[yimajo]

強参照のカウントだけでなく弱参照やObjectのライフサイクルなどについても書いてる。参照元がweakで参照し続けてる間はFreedしないからヒープに残ってるんだろうか