I built something simliar https://github.com/jonschoning/Unions/tree/master/Unions https://github.com/jonschoning/Unions/tree/master/Unions I went with `object

I built something simliar https://github.com/jonschoning/Unions/tree/master/Unions https://github.com/jonschoning/Unions/tree/master/Unions I went with `object` internally instead of subclasses. One thing that I like about my lib is that is serializes to json pretty well, and i added some more special-case variants such as accumulative errors (AccResult) and some applicative lifting operations.