this post was submitted on 23 Aug 2023
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TypeScript
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Discriminated unions have been In The Works(tm) for quite a while. I believe they were cut from the C# 12 roadmap. But maybe C# 13?
I think a source-generation based approach similar to
OneOf
isn't unlikely.Yeah unfortunately tacking them onto a 20 year old language is not easy.
It's great to see it being worked on but there is a long way to go.