bifunctors-4.2: Bifunctors

Copyright(C) 2008-2013 Edward Kmett,
LicenseBSD-style (see the file LICENSE)
MaintainerEdward Kmett <ekmett@gmail.com>
Stabilityprovisional
Portabilityportable
Safe HaskellSafe-Inferred
LanguageHaskell98

Data.Bifunctor.Clown

Description

From the Functional Pearl "Clowns to the Left of me, Jokers to the Right: Dissecting Data Structures" by Conor McBride.

Synopsis

Documentation

newtype Clown f a b Source

Make a Functor over the first argument of a Bifunctor.

Constructors

Clown 

Fields

runClown :: f a
 

Instances

Foldable f => Bifoldable (Clown f) 
Foldable1 f => Bifoldable1 (Clown f) 
Functor f => Bifunctor (Clown f) 
Apply f => Biapply (Clown f) 
Traversable f => Bitraversable (Clown f) 
Traversable1 f => Bitraversable1 (Clown f) 
Applicative f => Biapplicative (Clown f) 
Functor (Clown f a) 
Foldable (Clown f a) 
Traversable (Clown f a) 
Eq (f a) => Eq (Clown f a b) 
Ord (f a) => Ord (Clown f a b) 
Read (f a) => Read (Clown f a b) 
Show (f a) => Show (Clown f a b)