lens-4.17.1: Lenses, Folds and Traversals

Copyright(C) 2012-2016 Edward Kmett
LicenseBSD-style (see the file LICENSE)
MaintainerEdward Kmett <ekmett@gmail.com>
Stabilityexperimental
Portabilitynon-portable
Safe HaskellSafe
LanguageHaskell2010

Data.Dynamic.Lens

Description

 
Synopsis

Documentation

class AsDynamic t where Source #

Any Dynamic can be thrown as an Exception

Methods

_Dynamic :: Typeable a => Prism' t a Source #

This ReifiedPrism allows you to traverse the typed value contained in a Dynamic where the type required by your function matches that of the contents of the Dynamic, or construct a Dynamic value out of whole cloth. It can also be used to catch or throw a Dynamic value as SomeException.

_Dynamic :: Typeable a => Prism' Dynamic       a
_Dynamic :: Typeable a => Prism' SomeException a
Instances
AsDynamic Dynamic Source # 
Instance details

Defined in Data.Dynamic.Lens

AsDynamic SomeException Source # 
Instance details

Defined in Data.Dynamic.Lens

pattern Dynamic :: forall s a. (AsDynamic s, Typeable a) => a -> s Source #