How are optionals implemented in Swift?

Optionals are basically a Swift enums that have two cases: .none when optional is empty and .some if there is a value.

In this one I want to show you how it's being implemented and how you can try to make your own optional type 😉

Optional.swift: https://github.com/apple/swift/blob/main/stdlib/public/core/Optional.swift#L122-L133

#iOS #Swift #programming #xcode

Видео How are optionals implemented in Swift? канала Mike Mikina