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F# Weekly #7, 2024 – .NET 9 Preview 1 (sergeytihon.com)

submitted 8 months ago* (last edited 8 months ago) by [email protected] to c/[email protected]

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[–] [email protected] 3 points 8 months ago (1 children)

it has almost run out of features to steal

There is still one big feature, waiting to be added to C#. Discriminated unions. Come on Microsoft, it can't be that hard to implement

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[–] [email protected] 1 points 8 months ago

That's true. You can kind of do it Scala style with an interfaces and some classes, but with two big drawbacks: no exhaustiveness checking, and no "object" syntax for defining singleton classes. They seem to be heading in that direction though.

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