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A comment on dotNET (OK, C#) gets union types. Parent comment
That Haskell snippet is just syntax sugar for Left(string) | Right(string), which is trivial in any language with unions.
Not clear why it would be an improvement over just naming the alternatives something meaningful, but if you're wedded to Left and Right, go for it.
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That Haskell snippet is just syntax sugar for Left(string) | Right(string), which is trivial in any language with unions.
Not clear why it would be an improvement over just naming the alternatives something meaningful, but if you're wedded to Left and Right, go for it.