Copyright  (c) Ross Paterson 2010 

License  BSDstyle (see the file LICENSE) 
Maintainer  libraries@haskell.org 
Stability  experimental 
Portability  portable 
Safe Haskell  Trustworthy 
Language  Haskell2010 
Composition of functors.
Since: 4.9.0.0
 newtype Compose f g a = Compose {
 getCompose :: f (g a)
Documentation
newtype Compose f g a infixr 9 Source #
Righttoleft composition of functors. The composition of applicative functors is always applicative, but the composition of monads is not always a monad.
Compose infixr 9  

Functor f => Generic1 k (Compose * k f g) #  
(Functor f, Functor g) => Functor (Compose * * f g) #  Since: 4.9.0.0 
(Applicative f, Applicative g) => Applicative (Compose * * f g) #  Since: 4.9.0.0 
(Foldable f, Foldable g) => Foldable (Compose * * f g) #  Since: 4.9.0.0 
(Traversable f, Traversable g) => Traversable (Compose * * f g) #  Since: 4.9.0.0 
(Alternative f, Applicative g) => Alternative (Compose * * f g) #  Since: 4.9.0.0 
(Show1 f, Show1 g) => Show1 (Compose * * f g) #  Since: 4.9.0.0 
(Read1 f, Read1 g) => Read1 (Compose * * f g) #  Since: 4.9.0.0 
(Ord1 f, Ord1 g) => Ord1 (Compose * * f g) #  Since: 4.9.0.0 
(Eq1 f, Eq1 g) => Eq1 (Compose * * f g) #  Since: 4.9.0.0 
(Eq1 f, Eq1 g, Eq a) => Eq (Compose * * f g a) #  Since: 4.9.0.0 
(Data (f (g a)), Typeable * k2, Typeable * k1, Typeable (k2 > k1) g, Typeable (k1 > *) f, Typeable k2 a) => Data (Compose k1 k2 f g a) #  
(Ord1 f, Ord1 g, Ord a) => Ord (Compose * * f g a) #  Since: 4.9.0.0 
(Read1 f, Read1 g, Read a) => Read (Compose * * f g a) #  Since: 4.9.0.0 
(Show1 f, Show1 g, Show a) => Show (Compose * * f g a) #  Since: 4.9.0.0 
Generic (Compose k1 k2 f g a) #  
type Rep1 k (Compose * k f g) #  
type Rep (Compose k1 k2 f g a) #  