| 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.Getter
Description
Synopsis
- noEffect :: (Contravariant f, Applicative f) => f a
- newtype AlongsideLeft (f :: Type -> Type) b a = AlongsideLeft {
- getAlongsideLeft :: f (a, b)
- newtype AlongsideRight (f :: Type -> Type) a b = AlongsideRight {
- getAlongsideRight :: f (a, b)
Documentation
noEffect :: (Contravariant f, Applicative f) => f a Source #
The mempty equivalent for a Contravariant Applicative Functor.
newtype AlongsideLeft (f :: Type -> Type) b a Source #
Constructors
| AlongsideLeft | |
Fields
| |
Instances
newtype AlongsideRight (f :: Type -> Type) a b Source #
Constructors
| AlongsideRight | |
Fields
| |