module Prolude.Maybe
( module Data.Maybe
, note
, hush
)
where
import Data.Maybe
( Maybe(Just, Nothing)
, catMaybes
, fromMaybe
, isJust
, isNothing
, listToMaybe
, mapMaybe
, maybe
, maybeToList
)
{-# INLINE hush #-}
hush :: Either a b -> Maybe b
hush :: forall a b. Either a b -> Maybe b
hush = forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either (forall a b. a -> b -> a
const forall a. Maybe a
Nothing) forall a. a -> Maybe a
Just
{-# INLINE note #-}
note :: a -> Maybe b -> Either a b
note :: forall a b. a -> Maybe b -> Either a b
note a
a = forall b a. b -> (a -> b) -> Maybe a -> b
maybe (forall a b. a -> Either a b
Left a
a) forall a b. b -> Either a b
Right