transformers-0.3.0.0: Concrete functor and monad transformers

Copyright(c) Ross Paterson 2010
LicenseBSD-style (see the file LICENSE)
Maintainerross@soi.city.ac.uk
Stabilityexperimental
Portabilityportable
Safe HaskellSafe-Inferred
LanguageHaskell98

Data.Functor.Compose

Description

Composition of functors.

Synopsis

Documentation

newtype Compose f g aSource

Right-to-left composition of functors. The composition of applicative functors is always applicative, but the composition of monads is not always a monad.

Constructors

Compose 

Fields

getCompose :: f (g a)