On May 30, 1:19 pm, Daniel Lyons <fus...@storytotell.org> wrote:
> You can't have both partial application and variable arity functions.

Uh, yeah you can. Haskell can have variadic functions, like
Text.Printf.printf, and with some explicit type signatures you can
still partially apply it.

import Text.Printf

-- Here, I've partially applied printf with just one argument; another
is needed to complete the formatting.
aoeu :: (PrintfArg a, PrintfType r) => a -> r
aoeu = printf "Hello %s"

-- And here, I've completed application by supplying the needed
argument.
asdf :: PrintfType r => r
asdf = aoeu "World!\n"

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