| Copyright | (C) 2012-2016 Edward Kmett |
|---|---|
| License | BSD-style (see the file LICENSE) |
| Maintainer | Edward Kmett <ekmett@gmail.com> |
| Stability | provisional |
| Portability | non-portable |
| Safe Haskell | Safe-Inferred |
| Language | Haskell2010 |
Control.Lens.Internal.Review
Contents
Description
Synopsis
- class (Profunctor p, Bifunctor p) => Reviewable (p :: Type -> Type -> Type)
- retagged :: (Profunctor p, Bifunctor p) => p a b -> p s b
Internal Classes
class (Profunctor p, Bifunctor p) => Reviewable (p :: Type -> Type -> Type) Source #
This class is provided mostly for backwards compatibility with lens 3.8, but it can also shorten type signatures.
Instances
| (Profunctor p, Bifunctor p) => Reviewable p Source # | |
Defined in Control.Lens.Internal.Review | |
Reviews
retagged :: (Profunctor p, Bifunctor p) => p a b -> p s b Source #
This is a profunctor used internally to implement Review
It plays a role similar to that of Accessor
or Const do for Control.Lens.Getter