Coming in Dotty/Scala 3.0, along with a slew of other improvements to the language. Combine that with the proposed new enum syntax and existing sealed trait pl

Coming in Dotty/Scala 3.0, along with a slew of other improvements to the language. Combine that with the proposed new enum syntax and existing sealed trait plus case class/object boilerplate will be gone. Looks pretty great, but we'll have to wait until next year sometime to use it in production.