Data.Bifoldable

Documentation

class Bifoldable p where

Methods

bifold :: Monoid m => p m m -> m

bifoldMap :: Monoid m => (a -> m) -> (b -> m) -> p a b -> m

bifoldr :: (a -> c -> c) -> (b -> c -> c) -> c -> p a b -> c

bifoldl :: (c -> a -> c) -> (c -> b -> c) -> c -> p a b -> c

Instances

Bifoldable Either

Bifoldable (,)

Bifoldable Const

Bifoldable ((,,) x)

Bifoldable (Tagged *)

Foldable f => Bifoldable (Clown f)

Bifoldable p => Bifoldable (Flip p)

Foldable g => Bifoldable (Joker g)

Bifoldable p => Bifoldable (WrappedBifunctor p)

Bifoldable ((,,,) x y)

Bifoldable ((,,,,) x y z)

bifoldr' :: Bifoldable t => (a -> c -> c) -> (b -> c -> c) -> c -> t a b -> c

bifoldrM :: (Bifoldable t, Monad m) => (a -> c -> m c) -> (b -> c -> m c) -> c -> t a b -> m c

bifoldl' :: Bifoldable t => (a -> b -> a) -> (a -> c -> a) -> a -> t b c -> a

bifoldlM :: (Bifoldable t, Monad m) => (a -> b -> m a) -> (a -> c -> m a) -> a -> t b c -> m a

bitraverse_ :: (Bifoldable t, Applicative f) => (a -> f c) -> (b -> f d) -> t a b -> f ()

bifor_ :: (Bifoldable t, Applicative f) => t a b -> (a -> f c) -> (b -> f d) -> f ()

bimapM_ :: (Bifoldable t, Monad m) => (a -> m c) -> (b -> m d) -> t a b -> m ()

biforM_ :: (Bifoldable t, Monad m) => t a b -> (a -> m c) -> (b -> m d) -> m ()

bisequenceA_ :: (Bifoldable t, Applicative f) => t (f a) (f b) -> f ()

bisequence_ :: (Bifoldable t, Monad m) => t (m a) (m b) -> m ()

biList :: Bifoldable t => t a a -> [a]

biconcat :: Bifoldable t => t [a] [a] -> [a]

biconcatMap :: Bifoldable t => (a -> [c]) -> (b -> [c]) -> t a b -> [c]

biany :: Bifoldable t => (a -> Bool) -> (b -> Bool) -> t a b -> Bool

biall :: Bifoldable t => (a -> Bool) -> (b -> Bool) -> t a b -> Bool