you can take this much further and create whole self-contained systems on base of enums, as I do in my Khipu architecture that I present here: https://decodemeester.medium.com/khipu-rapid-and-sustainable-software-creation-in-swift-using-engineering-and-science-principles-312a933cce57?sk=8359f48cc06571e53de156db8cbc005c