.NET @programming.dev canpolat @programming.dev 11mo ago LDM Type Unions Proposal · dotnet csharplang github.com [LDM] - Type Unions Proposal · dotnet csharplang · Discussion #8313
i mean f# has them... they are just classes under the hood but still.
I think complication is actually how it interacts with other language features. As opposed to implementing the actual objects.