music-score-1.7.2: Musical score and part representation.

Safe Haskell	Safe-Inferred
Language	Haskell2010

Data.Functor.Context

Documentation

newtype Ctxt a Source

Constructors

Ctxt
Fields getCtxt :: (Maybe a, a, Maybe a)

Instances

Functor Ctxt
Applicative Ctxt
Wrapped (Ctxt a)
Transformable a => Transformable (Ctxt a)
Rewrapped (Ctxt a) (Ctxt b)
type Unwrapped (Ctxt a) = (Maybe a, a, Maybe a)

mapCtxt :: (a -> b) -> Ctxt a -> Ctxt b Source

extractCtxt :: Ctxt a -> a Source