Portability | non-portable |
---|---|
Stability | experimental |
Maintainer | Edward Kmett <ekmett@gmail.com> |
Safe Haskell | Trustworthy |
Control.Lens.Internal.Iso
Description
Documentation
data Exchange a b s t
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
Profunctor (Exchange a b) | |
Functor (Exchange a b s) |