More concretely: I want to implement a dprintf function that works like this let dprintf fmt = let flag = true in if flag then Printf.eprintf fmt else ??? What do I write instead of ??? to make dprintf a no-op if flag = false? I tried Printf.ifprintf stderr fmt which sort of works? …

How to write a variadic function like printf

grayswandyr June 9, 2020, 1:51pm 4

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