In case anyone else was curious, Slava Pestov is now at Apple working on Swift. Top of his twitter[1] is a WWDC22 talk "Design protocol interfaces in Swift"[2]

In case anyone else was curious, Slava Pestov is now at Apple working on Swift. Top of his twitter[1] is a WWDC22 talk "Design protocol interfaces in Swift"[2] (but video seems 1x-only - I don't see a copy on yt - there's a transcript). [1] https://twitter.com/slava_pestov https://twitter.com/slava_pestov [2] https://developer.apple.com/videos/play/wwdc2022/110353/ https://developer.apple.com/videos/play/wwdc2022/110353/