And Scala (via Dotty) is being re-worked to have sum types with a cleaner "enum" syntax soon too: https://github.com/lampepfl/dotty/issues/1970 https://github.

And Scala (via Dotty) is being re-worked to have sum types with a cleaner "enum" syntax soon too: https://github.com/lampepfl/dotty/issues/1970 https://github.com/lampepfl/dotty/issues/1970 (merged)