I'm a newbie trying to work my way through the lessons in
[Swift Standard Library.playground]
How do I resolve the 4 build time error messages generated in the GroupChat.swift section of the project.
In using Xcode 12.2 (MacOS 11 and Swift 5.2)
[Swift Standard Library.playground]
How do I resolve the 4 build time error messages generated in the GroupChat.swift section of the project.
In using Xcode 12.2 (MacOS 11 and Swift 5.2)