diff options
Diffstat (limited to 'libraries/base/Data/Functor.hs')
| -rw-r--r-- | libraries/base/Data/Functor.hs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libraries/base/Data/Functor.hs b/libraries/base/Data/Functor.hs index 62bb70927e..2c0fbc3f29 100644 --- a/libraries/base/Data/Functor.hs +++ b/libraries/base/Data/Functor.hs @@ -20,6 +20,7 @@ module Data.Functor (<$), ($>), (<$>), + (<&>), void, ) where @@ -74,6 +75,31 @@ infixl 4 <$> infixl 4 $> +-- | Flipped version of '<$>'. +-- +-- @ +-- ('<&>') = 'flip' 'fmap' +-- @ +-- +-- @since 4.11.0.0 +-- +-- ==== __Examples__ +-- Apply @(+1)@ to a list, a 'Data.Maybe.Just' and a 'Data.Either.Right': +-- +-- >>> Just 2 <&> (+1) +-- Just 3 +-- +-- >>> [1,2,3] <&> (+1) +-- [2,3,4] +-- +-- >>> Right 3 <&> (+1) +-- Right 4 +-- +(<&>) :: Functor f => f a -> (a -> b) -> f b +as <&> f = f <$> as + +infixl 1 <&> + -- | Flipped version of '<$'. -- -- @since 4.7.0.0 |