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A comment on The visitor pattern is essentially the same thing as Church encoding. Parent comment

Re:The visitor pattern is essentially the same thing as Chur... by dfgdghdf on Thursday February 04, 2021 @08:22AM (#26025078)
I know in F# it is much better to use a discriminated union because you get automatic comparison and equals implementations.

You can't use functions as map keys, for example.

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