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Re:The visitor pattern is essentially the same thing as Chur... by bob1029 on Thursday February 04, 2021 @09:35AM (#26025616)
Perhaps I haven't had enough caffeine yet, but this sounds exactly like what we get in the latest versions of C# w/ its pattern matching feature:

https://docs.microsoft.com/en-us/dotnet/csharp/pattern-match...

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