주 내용은 다음에서 발췌하였습니다. https://docs.swift.org/swift-book/LanguageGuide/AutomaticReferenceCounting.html Automatic Reference Counting — The Swift Programming Language (Swift 5.6) Automatic Reference Counting Swift uses Automatic Reference Counting (ARC) to track and manage your app’s memory usage. In most cases, this means that memory management “just works” in Swift, and you don’t need to think abou..