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Add curry/uncurry to Prelude

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Edwin Brady 2019-10-13 12:12:49 +01:00
parent 519415f82f
commit a162425384
1 changed files with 8 additions and 0 deletions
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8
libs/prelude/Prelude.idr
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@ -86,6 +86,14 @@ public export
apply : (a -> b) -> a -> b
apply f a = f a
public export
curry : ((a, b) -> c) -> a -> b -> c
curry f a b = f (a, b)
public export
uncurry : (a -> b -> c) -> (a, b) -> c
uncurry f (a, b) = f a b
-- $ is compiled specially to shortcut any tricky unification issues, but if
-- it did have a type this is what it would be, and it might be useful to
-- use directly sometimes (e.g. in higher order functions)