HMap-1.1.7: Fast heterogeneous maps and unconstrained typeable like functionality.

Portabilityportable
Stabilityprovisional
Maintaineratzeus@gmail.org
Safe HaskellNone

Data.Untypeable

Description

Provides a Typeable-like interface for things that cannot derive typeable.

Synopsis

Documentation

inject :: HKey s a -> a -> UntypeableSource

Make an Untypeable value

project :: HKey s a -> Untypeable -> Maybe aSource

Project (i.e. cast) an untypeable value with a given key.