Copyright	(c) Ross Paterson 2010
License	BSD-style (see the file LICENSE)
Maintainer	libraries@haskell.org
Stability	experimental
Portability	portable
Safe Haskell	Safe
Language	Haskell2010

Data.Functor.Product

Description

Products, lifted to functors.

Since: 4.9.0.0

Synopsis

data Product f g a = Pair (f a) (g a)

Documentation

data Product f g a Source #

Lifted product of functors.

Constructors

Pair (f a) (g a)

Instances

Generic1 (Product f g :: k -> *) #
Instance details Associated Types type Rep1 (Product f g) :: k -> * Source # Methods from1 :: Product f g a -> Rep1 (Product f g) a Source # to1 :: Rep1 (Product f g) a -> Product f g a Source #
(Monad f, Monad g) => Monad (Product f g) #	Since: 4.9.0.0
Instance details Methods (>>=) :: Product f g a -> (a -> Product f g b) -> Product f g b Source # (>>) :: Product f g a -> Product f g b -> Product f g b Source # return :: a -> Product f g a Source # fail :: String -> Product f g a Source #
(Functor f, Functor g) => Functor (Product f g) #	Since: 4.9.0.0
Instance details Methods fmap :: (a -> b) -> Product f g a -> Product f g b Source # (<$) :: a -> Product f g b -> Product f g a Source #
(MonadFix f, MonadFix g) => MonadFix (Product f g) #	Since: 4.9.0.0
Instance details Methods mfix :: (a -> Product f g a) -> Product f g a Source #
(Applicative f, Applicative g) => Applicative (Product f g) #	Since: 4.9.0.0
Instance details Methods pure :: a -> Product f g a Source # (<>) :: Product f g (a -> b) -> Product f g a -> Product f g b Source # liftA2 :: (a -> b -> c) -> Product f g a -> Product f g b -> Product f g c Source # (>) :: Product f g a -> Product f g b -> Product f g b Source # (<*) :: Product f g a -> Product f g b -> Product f g a Source #
(Foldable f, Foldable g) => Foldable (Product f g) #	Since: 4.9.0.0
Instance details Methods fold :: Monoid m => Product f g m -> m Source # foldMap :: Monoid m => (a -> m) -> Product f g a -> m Source # foldr :: (a -> b -> b) -> b -> Product f g a -> b Source # foldr' :: (a -> b -> b) -> b -> Product f g a -> b Source # foldl :: (b -> a -> b) -> b -> Product f g a -> b Source # foldl' :: (b -> a -> b) -> b -> Product f g a -> b Source # foldr1 :: (a -> a -> a) -> Product f g a -> a Source # foldl1 :: (a -> a -> a) -> Product f g a -> a Source # toList :: Product f g a -> [a] Source # null :: Product f g a -> Bool Source # length :: Product f g a -> Int Source # elem :: Eq a => a -> Product f g a -> Bool Source # maximum :: Ord a => Product f g a -> a Source # minimum :: Ord a => Product f g a -> a Source # sum :: Num a => Product f g a -> a Source # product :: Num a => Product f g a -> a Source #
(Traversable f, Traversable g) => Traversable (Product f g) #	Since: 4.9.0.0
Instance details Methods traverse :: Applicative f0 => (a -> f0 b) -> Product f g a -> f0 (Product f g b) Source # sequenceA :: Applicative f0 => Product f g (f0 a) -> f0 (Product f g a) Source # mapM :: Monad m => (a -> m b) -> Product f g a -> m (Product f g b) Source # sequence :: Monad m => Product f g (m a) -> m (Product f g a) Source #
(MonadPlus f, MonadPlus g) => MonadPlus (Product f g) #	Since: 4.9.0.0
Instance details Methods mzero :: Product f g a Source # mplus :: Product f g a -> Product f g a -> Product f g a Source #
(Alternative f, Alternative g) => Alternative (Product f g) #	Since: 4.9.0.0
Instance details Methods empty :: Product f g a Source # (<\|>) :: Product f g a -> Product f g a -> Product f g a Source # some :: Product f g a -> Product f g [a] Source # many :: Product f g a -> Product f g [a] Source #
(MonadZip f, MonadZip g) => MonadZip (Product f g) #	Since: 4.9.0.0
Instance details Methods mzip :: Product f g a -> Product f g b -> Product f g (a, b) Source # mzipWith :: (a -> b -> c) -> Product f g a -> Product f g b -> Product f g c Source # munzip :: Product f g (a, b) -> (Product f g a, Product f g b) Source #
(Show1 f, Show1 g) => Show1 (Product f g) #	Since: 4.9.0.0
Instance details Methods liftShowsPrec :: (Int -> a -> ShowS) -> ([a] -> ShowS) -> Int -> Product f g a -> ShowS Source # liftShowList :: (Int -> a -> ShowS) -> ([a] -> ShowS) -> [Product f g a] -> ShowS Source #
(Read1 f, Read1 g) => Read1 (Product f g) #	Since: 4.9.0.0
Instance details Methods liftReadsPrec :: (Int -> ReadS a) -> ReadS [a] -> Int -> ReadS (Product f g a) Source # liftReadList :: (Int -> ReadS a) -> ReadS [a] -> ReadS [Product f g a] Source # liftReadPrec :: ReadPrec a -> ReadPrec [a] -> ReadPrec (Product f g a) Source # liftReadListPrec :: ReadPrec a -> ReadPrec [a] -> ReadPrec [Product f g a] Source #
(Ord1 f, Ord1 g) => Ord1 (Product f g) #	Since: 4.9.0.0
Instance details Methods liftCompare :: (a -> b -> Ordering) -> Product f g a -> Product f g b -> Ordering Source #
(Eq1 f, Eq1 g) => Eq1 (Product f g) #	Since: 4.9.0.0
Instance details Methods liftEq :: (a -> b -> Bool) -> Product f g a -> Product f g b -> Bool Source #
(Eq1 f, Eq1 g, Eq a) => Eq (Product f g a) #	Since: 4.9.0.0
Instance details Methods (==) :: Product f g a -> Product f g a -> Bool Source # (/=) :: Product f g a -> Product f g a -> Bool Source #
(Typeable a, Typeable f, Typeable g, Typeable k, Data (f a), Data (g a)) => Data (Product f g a) #
Instance details Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g0. g0 -> c g0) -> Product f g a -> c (Product f g a) Source # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Product f g a) Source # toConstr :: Product f g a -> Constr Source # dataTypeOf :: Product f g a -> DataType Source # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (Product f g a)) Source # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Product f g a)) Source # gmapT :: (forall b. Data b => b -> b) -> Product f g a -> Product f g a Source # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Product f g a -> r Source # gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Product f g a -> r Source # gmapQ :: (forall d. Data d => d -> u) -> Product f g a -> [u] Source # gmapQi :: Int -> (forall d. Data d => d -> u) -> Product f g a -> u Source # gmapM :: Monad m => (forall d. Data d => d -> m d) -> Product f g a -> m (Product f g a) Source # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Product f g a -> m (Product f g a) Source # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Product f g a -> m (Product f g a) Source #
(Ord1 f, Ord1 g, Ord a) => Ord (Product f g a) #	Since: 4.9.0.0
Instance details Methods compare :: Product f g a -> Product f g a -> Ordering Source # (<) :: Product f g a -> Product f g a -> Bool Source # (<=) :: Product f g a -> Product f g a -> Bool Source # (>) :: Product f g a -> Product f g a -> Bool Source # (>=) :: Product f g a -> Product f g a -> Bool Source # max :: Product f g a -> Product f g a -> Product f g a Source # min :: Product f g a -> Product f g a -> Product f g a Source #
(Read1 f, Read1 g, Read a) => Read (Product f g a) #	Since: 4.9.0.0
Instance details Methods readsPrec :: Int -> ReadS (Product f g a) Source # readList :: ReadS [Product f g a] Source # readPrec :: ReadPrec (Product f g a) Source # readListPrec :: ReadPrec [Product f g a] Source #
(Show1 f, Show1 g, Show a) => Show (Product f g a) #	Since: 4.9.0.0
Instance details Methods showsPrec :: Int -> Product f g a -> ShowS Source # show :: Product f g a -> String Source # showList :: [Product f g a] -> ShowS Source #
Generic (Product f g a) #
Instance details Associated Types type Rep (Product f g a) :: * -> * Source # Methods from :: Product f g a -> Rep (Product f g a) x Source # to :: Rep (Product f g a) x -> Product f g a Source #
type Rep1 (Product f g :: k -> *) #
Instance details type Rep1 (Product f g :: k -> ) = D1 (MetaData "Product" "Data.Functor.Product" "base" False) (C1 (MetaCons "Pair" PrefixI False) (S1 (MetaSel (Nothing :: Maybe Symbol) NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec1 f) :: S1 (MetaSel (Nothing :: Maybe Symbol) NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec1 g)))
type Rep (Product f g a) #
Instance details type Rep (Product f g a) = D1 (MetaData "Product" "Data.Functor.Product" "base" False) (C1 (MetaCons "Pair" PrefixI False) (S1 (MetaSel (Nothing :: Maybe Symbol) NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (f a)) :*: S1 (MetaSel (Nothing :: Maybe Symbol) NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (g a))))