src/client/elm/Utils/Tuple.elm


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module Utils.Tuple
  ( mapFst
  , mapSnd
  , mapBoth
  ) where

mapFst : (a -> x) -> (a, b) -> (x, b)
mapFst f (a, b) = (f a, b)

mapSnd : (b -> x) -> (a, b) -> (a, x)
mapSnd f (a, b) = (a, f b)

mapBoth : (a -> x) -> (b -> y) -> (a, b) -> (x, y)
mapBoth f g (a, b) = (f a, g b)