Data.Functor.Compose

newtype Compose f g a

Compose f g is the composition of the two functors f and g.

Constructors

• Compose (f (g a))

Instances

• Newtype (Compose f g a) _
• (Eq1 f, Eq1 g) => Eq1 (Compose f g)
• (Eq1 f, Eq1 g, Eq a) => Eq (Compose f g a)
• (Ord1 f, Ord1 g) => Ord1 (Compose f g)
• (Ord1 f, Ord1 g, Ord a) => Ord (Compose f g a)
• (Show (f (g a))) => Show (Compose f g a)
• (Functor f, Functor g) => Functor (Compose f g)
• (Apply f, Apply g) => Apply (Compose f g)
• (Applicative f, Applicative g) => Applicative (Compose f g)
• (Foldable f, Foldable g) => Foldable (Compose f g)
• (Traversable f, Traversable g) => Traversable (Compose f g)
• (Alt f, Functor g) => Alt (Compose f g)
• (Plus f, Functor g) => Plus (Compose f g)
• (Alternative f, Applicative g) => Alternative (Compose f g)

bihoistCompose :: forall i h g f. Functor f => (f ~> h) -> (g ~> i) -> (Compose f g) ~> (Compose h i)