lens-4.15.3: Lenses, Folds and Traversals

Copyright(C) 2012-16 Edward Kmett
LicenseBSD-style (see the file LICENSE)
MaintainerEdward Kmett <ekmett@gmail.com>
Stabilityexperimental
PortabilityRank2Types
Safe HaskellNone
LanguageHaskell98

Data.Typeable.Lens

Description

 

Synopsis

Documentation

_cast :: (Typeable s, Typeable a) => Traversal' s a Source #

A Traversal' for working with a cast of a Typeable value.

_gcast :: (Typeable s, Typeable a) => Traversal' (c s) (c a) Source #

A Traversal' for working with a gcast of a Typeable value.