Copyright	(C) 2017 Csongor Kiss
License	BSD3
Maintainer	Csongor Kiss <[email protected]>
Stability	experimental
Portability	non-portable
Safe Haskell	None
Language	Haskell2010

Data.Generics.Internal.Profunctor.Prism

Description

Internal lens helpers. Only exported for Haddock

Documentation

type APrism s t a b = Market a b a b -> Market a b s t Source #

type Prism s t a b = forall p. Choice p => p a b -> p s t Source #

type Prism' s a = forall p. Choice p => p a a -> p s s Source #

left :: Prism ((a :+: c) x) ((b :+: c) x) (a x) (b x) Source #

right :: Prism ((a :+: b) x) ((a :+: c) x) (b x) (c x) Source #

prism :: (b -> t) -> (s -> Either t a) -> Prism s t a b Source #

prismPRavel :: (Market a b a b -> Market a b s t) -> Prism s t a b Source #

build :: (Tagged b b -> Tagged t t) -> b -> t Source #

match :: Prism s t a b -> s -> Either t a Source #

without' :: Prism s t a b -> Prism s t c d -> Prism s t (Either a c) (Either b d) Source #

withPrism :: APrism s t a b -> ((b -> t) -> (s -> Either t a) -> r) -> r Source #

gsum :: (a x -> c) -> (b x -> c) -> (a :+: b) x -> c Source #

plus :: (a -> b) -> (c -> d) -> Either a c -> Either b d Source #

data Market a b s t Source #

Constructors

Market (b -> t) (s -> Either t a)

Instances

Choice (Market a b) Source #
Methods left' :: Market a b a b -> Market a b (Either a c) (Either b c) # right' :: Market a b a b -> Market a b (Either c a) (Either c b) #
Profunctor (Market a b) Source #
Methods dimap :: (a -> b) -> (c -> d) -> Market a b b c -> Market a b a d # lmap :: (a -> b) -> Market a b b c -> Market a b a c # rmap :: (b -> c) -> Market a b a b -> Market a b a c # (#.) :: Coercible * c b => (b -> c) -> Market a b a b -> Market a b a c # (.#) :: Coercible * b a => Market a b b c -> (a -> b) -> Market a b a c #
Functor (Market a b s) Source #
Methods fmap :: (a -> b) -> Market a b s a -> Market a b s b # (<$) :: a -> Market a b s b -> Market a b s a #