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Discriminated unions is one of those features that everyone talks about, but never gets championed. Wish C# 10 already had this feature. https://github.com/dotnet/csharplang/discussions/2962

you can actually do them pretty easily in C# without language support anyways.

almost similar amount of code, however, no exhaustive checking. Not that I find that to be much of a problem, but it would be nice

But who needs sum types when you have the visitor pattern :troll_face:

wow.....that is one way to do it.....yes. I would hate to think what a system would look like with many sum types in it

Maybe try F#? I know it isn't always an option but if you can, especially recently, its been quite productive to work in.