If iam correct it is in this on wwdc[0] that one of the Swift engineers talks about how they implemented the Strings API for Swift and how it works under the ho

If iam correct it is in this on wwdc[0] that one of the Swift engineers talks about how they implemented the Strings API for Swift and how it works under the hood. It is fun and interesting to watch. It starts around the 28 minute mark. [0]https://developer.apple.com/videos/play/wwdc2017/402/ https://developer.apple.com/videos/play/wwdc2017/402/