Data.Functor.These

these-1.1.1.1: An either-or-both data type.

Safe Haskell | Safe
Language | Haskell2010

Data.Functor.These

# Documentation

data These1 f g a #

Constructors

This1 (f a) |
That1 (g a) |
These1 (f a) (g a) |

#### Instances

Instances details

Generic1 (These1 f g :: Type -> Type) # |
Instance details Defined in Data.Functor.These Associated Types type Rep1 (These1 f g) :: k -> Type Methods from1 :: forall (a :: k). These1 f g a -> Rep1 (These1 f g) a to1 :: forall (a :: k). Rep1 (These1 f g) a -> These1 f g a
(Foldable f, Foldable g) => Foldable (These1 f g) # |
Instance details Defined in Data.Functor.These Methods fold :: Monoid m => These1 f g m -> m foldMap :: Monoid m => (a -> m) -> These1 f g a -> m foldMap' :: Monoid m => (a -> m) -> These1 f g a -> m foldr :: (a -> b -> b) -> b -> These1 f g a -> b foldr' :: (a -> b -> b) -> b -> These1 f g a -> b foldl :: (b -> a -> b) -> b -> These1 f g a -> b foldl' :: (b -> a -> b) -> b -> These1 f g a -> b foldr1 :: (a -> a -> a) -> These1 f g a -> a foldl1 :: (a -> a -> a) -> These1 f g a -> a toList :: These1 f g a -> [a] null :: These1 f g a -> Bool length :: These1 f g a -> Int elem :: Eq a => a -> These1 f g a -> Bool maximum :: Ord a => These1 f g a -> a minimum :: Ord a => These1 f g a -> a sum :: Num a => These1 f g a -> a product :: Num a => These1 f g a -> a
(Eq1 f, Eq1 g) => Eq1 (These1 f g) # |
Instance details Defined in Data.Functor.These Methods liftEq :: (a -> b -> Bool) -> These1 f g a -> These1 f g b -> Bool
(Ord1 f, Ord1 g) => Ord1 (These1 f g) # |
Instance details Defined in Data.Functor.These Methods liftCompare :: (a -> b -> Ordering) -> These1 f g a -> These1 f g b -> Ordering
(Read1 f, Read1 g) => Read1 (These1 f g) # |
Instance details Defined in Data.Functor.These Methods liftReadsPrec :: (Int -> ReadS a) -> ReadS [a] -> Int -> ReadS (These1 f g a) liftReadList :: (Int -> ReadS a) -> ReadS [a] -> ReadS [These1 f g a] liftReadPrec :: ReadPrec a -> ReadPrec [a] -> ReadPrec (These1 f g a) liftReadListPrec :: ReadPrec a -> ReadPrec [a] -> ReadPrec [These1 f g a]
(Show1 f, Show1 g) => Show1 (These1 f g) # |
Instance details Defined in Data.Functor.These Methods liftShowsPrec :: (Int -> a -> ShowS) -> ([a] -> ShowS) -> Int -> These1 f g a -> ShowS liftShowList :: (Int -> a -> ShowS) -> ([a] -> ShowS) -> [These1 f g a] -> ShowS
(Traversable f, Traversable g) => Traversable (These1 f g) # |
Instance details Defined in Data.Functor.These Methods traverse :: Applicative f0 => (a -> f0 b) -> These1 f g a -> f0 (These1 f g b) sequenceA :: Applicative f0 => These1 f g (f0 a) -> f0 (These1 f g a) mapM :: Monad m => (a -> m b) -> These1 f g a -> m (These1 f g b) sequence :: Monad m => These1 f g (m a) -> m (These1 f g a)
(Functor f, Functor g) => Functor (These1 f g) # |
Instance details Defined in Data.Functor.These Methods fmap :: (a -> b) -> These1 f g a -> These1 f g b # (<$) :: a -> These1 f g b -> These1 f g a #
(NFData1 f, NFData1 g) => NFData1 (These1 f g) # | This instance is available only with `deepseq >= 1.4.3.0`
Instance details Defined in Data.Functor.These Methods liftRnf :: (a -> ()) -> These1 f g a -> ()
(Typeable f, Typeable g, Typeable a, Data (f a), Data (g a)) => Data (These1 f g a) # |
Instance details Defined in Data.Functor.These Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g0. g0 -> c g0) -> These1 f g a -> c (These1 f g a) gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (These1 f g a) toConstr :: These1 f g a -> Constr dataTypeOf :: These1 f g a -> DataType dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (These1 f g a)) dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (These1 f g a)) gmapT :: (forall b. Data b => b -> b) -> These1 f g a -> These1 f g a gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> These1 f g a -> r gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> These1 f g a -> r gmapQ :: (forall d. Data d => d -> u) -> These1 f g a -> [u] gmapQi :: Int -> (forall d. Data d => d -> u) -> These1 f g a -> u gmapM :: Monad m => (forall d. Data d => d -> m d) -> These1 f g a -> m (These1 f g a) gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> These1 f g a -> m (These1 f g a) gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> These1 f g a -> m (These1 f g a)
Generic (These1 f g a) # |
Instance details Defined in Data.Functor.These Associated Types type Rep (These1 f g a) :: Type -> Type Methods from :: These1 f g a -> Rep (These1 f g a) x to :: Rep (These1 f g a) x -> These1 f g a
(Read1 f, Read1 g, Read a) => Read (These1 f g a) # |
Instance details Defined in Data.Functor.These Methods readsPrec :: Int -> ReadS (These1 f g a) readList :: ReadS [These1 f g a] readPrec :: ReadPrec (These1 f g a) readListPrec :: ReadPrec [These1 f g a]
(Show1 f, Show1 g, Show a) => Show (These1 f g a) # |
Instance details Defined in Data.Functor.These Methods showsPrec :: Int -> These1 f g a -> ShowS show :: These1 f g a -> String showList :: [These1 f g a] -> ShowS
(NFData1 f, NFData1 g, NFData a) => NFData (These1 f g a) # | This instance is available only with `deepseq >= 1.4.3.0`
Instance details Defined in Data.Functor.These Methods rnf :: These1 f g a -> ()
(Eq1 f, Eq1 g, Eq a) => Eq (These1 f g a) # |
Instance details Defined in Data.Functor.These Methods (==) :: These1 f g a -> These1 f g a -> Bool (/=) :: These1 f g a -> These1 f g a -> Bool
(Ord1 f, Ord1 g, Ord a) => Ord (These1 f g a) # |
Instance details Defined in Data.Functor.These Methods compare :: These1 f g a -> These1 f g a -> Ordering (<) :: These1 f g a -> These1 f g a -> Bool (<=) :: These1 f g a -> These1 f g a -> Bool (>) :: These1 f g a -> These1 f g a -> Bool (>=) :: These1 f g a -> These1 f g a -> Bool max :: These1 f g a -> These1 f g a -> These1 f g a min :: These1 f g a -> These1 f g a -> These1 f g a
type Rep1 (These1 f g :: Type -> Type) # |
Instance details Defined in Data.Functor.These type Rep1 (These1 f g :: Type -> Type) = D1 ('MetaData "These1" "Data.Functor.These" "these-1.1.1.1-G36h2z4AnHdLExNVr3wLD5" 'False) (C1 ('MetaCons "This1" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec1 f)) :+: (C1 ('MetaCons "That1" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec1 g)) :+: C1 ('MetaCons "These1" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec1 f) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec1 g))))
type Rep (These1 f g a) # |
Instance details Defined in Data.Functor.These type Rep (These1 f g a) = D1 ('MetaData "These1" "Data.Functor.These" "these-1.1.1.1-G36h2z4AnHdLExNVr3wLD5" 'False) (C1 ('MetaCons "This1" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (f a))) :+: (C1 ('MetaCons "That1" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (g a))) :+: C1 ('MetaCons "These1" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (f a)) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (g a)))))