lens-4.2: Lenses, Folds and Traversals

Copyright(C) 2012-2014 Edward Kmett
LicenseBSD-style (see the file LICENSE)
MaintainerEdward Kmett <ekmett@gmail.com>
Stabilityexperimental
Portabilitynon-portable
Safe HaskellTrustworthy
LanguageHaskell98

Control.Lens.Internal.Iso

Description

 

Synopsis

Documentation

data Exchange a b s t Source

This is used internally by the Iso code to provide efficient access to the two functions that make up an isomorphism.

Constructors

Exchange (s -> a) (b -> t) 

Instances

class Reversing t where Source

This class provides a generalized notion of list reversal extended to other containers.

Methods

reversing :: t -> t Source