lens-4.3.3: Lenses, Folds and Traversals

Portabilitynon-portable
Stabilityexperimental
MaintainerEdward Kmett <ekmett@gmail.com>
Safe HaskellSafe-Inferred

Data.Dynamic.Lens

Description

 

Synopsis

Documentation

class AsDynamic t whereSource

Any Dynamic can be thrown as an Exception

Methods

_Dynamic :: Typeable a => Prism' t aSource

This Prism 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