Safe Haskell	None
Language	Haskell2010

Semigroupoid

Contents

Semigroupoid
- Newtypes

Synopsis

class Semigroupoid (c :: k -> k -> *) where
newtype Semi m (a :: k) (b :: k1) :: forall k k1. * -> k -> k1 -> * = Semi {
- getSemi :: m
}
newtype Dual (k2 :: k1 -> k -> *) (a :: k) (b :: k1) :: forall k k1. (k1 -> k -> *) -> k -> k1 -> * = Dual {
- getDual :: k2 b a
}

Semigroupoid

class Semigroupoid (c :: k -> k -> *) where #

Category sans id

Minimal complete definition

o

Methods

o :: c j k1 -> c i j -> c i k1 #

Instances

Semigroupoid (Coercion :: k -> k -> *)
Instance details Defined in Data.Semigroupoid Methods o :: Coercion j k1 -> Coercion i j -> Coercion i k1 #
Semigroupoid ((:~:) :: k -> k -> *)
Instance details Defined in Data.Semigroupoid Methods o :: (j :~: k1) -> (i :~: j) -> i :~: k1 #
Semigroupoid ((:~~:) :: k -> k -> *)
Instance details Defined in Data.Semigroupoid Methods o :: (j :~~: k1) -> (i :~~: j) -> i :~~: k1 #
Semigroupoid k2 => Semigroupoid (Dual k2 :: k1 -> k1 -> *)
Instance details Defined in Data.Semigroupoid.Dual Methods o :: Dual k2 j k10 -> Dual k2 i j -> Dual k2 i k10 #
Category k2 => Semigroupoid (WrappedCategory k2 :: k1 -> k1 -> *)
Instance details Defined in Data.Semigroupoid Methods o :: WrappedCategory k2 j k10 -> WrappedCategory k2 i j -> WrappedCategory k2 i k10 #
Semigroup m => Semigroupoid (Semi m :: k -> k -> *)
Instance details Defined in Data.Semigroupoid Methods o :: Semi m j k1 -> Semi m i j -> Semi m i k1 #
Semigroupoid (,)	http://en.wikipedia.org/wiki/Band_(mathematics)#Rectangular_bands
Instance details Defined in Data.Semigroupoid Methods o :: (j, k1) -> (i, j) -> (i, k1) #
Semigroupoid Op
Instance details Defined in Data.Semigroupoid Methods o :: Op j k1 -> Op i j -> Op i k1 #
Semigroupoid Fold
Instance details Defined in Control.Foldl Methods o :: Fold j k1 -> Fold i j -> Fold i k1 #
Bind m => Semigroupoid (Kleisli m :: * -> * -> *)
Instance details Defined in Data.Semigroupoid Methods o :: Kleisli m j k1 -> Kleisli m i j -> Kleisli m i k1 #
Semigroupoid (Const :: * -> * -> *)
Instance details Defined in Data.Semigroupoid Methods o :: Const j k1 -> Const i j -> Const i k1 #
Apply f => Semigroupoid (Static f :: * -> * -> *)
Instance details Defined in Data.Semigroupoid.Static Methods o :: Static f j k1 -> Static f i j -> Static f i k1 #
Semigroupoid (Tagged :: * -> * -> *)
Instance details Defined in Data.Semigroupoid Methods o :: Tagged j k1 -> Tagged i j -> Tagged i k1 #
Semigroupoid ((->) :: * -> * -> *)
Instance details Defined in Data.Semigroupoid Methods o :: (j -> k1) -> (i -> j) -> i -> k1 #
Extend w => Semigroupoid (Cokleisli w :: * -> * -> *)
Instance details Defined in Data.Semigroupoid Methods o :: Cokleisli w j k1 -> Cokleisli w i j -> Cokleisli w i k1 #

Newtypes

newtype Semi m (a :: k) (b :: k1) :: forall k k1. * -> k -> k1 -> * #

Constructors

Semi
Fields getSemi :: m

Instances

Monoid m => Category (Semi m :: k -> k -> *)
Instance details Defined in Data.Semigroupoid Methods id :: Semi m a a # (.) :: Semi m b c -> Semi m a b -> Semi m a c #
Semigroup m => Semigroupoid (Semi m :: k -> k -> *)
Instance details Defined in Data.Semigroupoid Methods o :: Semi m j k1 -> Semi m i j -> Semi m i k1 #
Wrapped (Semi m a b)
Instance details Defined in Control.Lens.Wrapped Associated Types type Unwrapped (Semi m a b) :: * # Methods _Wrapped' :: Iso' (Semi m a b) (Unwrapped (Semi m a b)) #
t ~ Semi m' a' b' => Rewrapped (Semi m a b) t
Instance details Defined in Control.Lens.Wrapped
type Unwrapped (Semi m a b)
Instance details Defined in Control.Lens.Wrapped type Unwrapped (Semi m a b) = m

newtype Dual (k2 :: k1 -> k -> *) (a :: k) (b :: k1) :: forall k k1. (k1 -> k -> *) -> k -> k1 -> * #

Constructors

Dual
Fields getDual :: k2 b a

Instances

Category k2 => Category (Dual k2 :: k1 -> k1 -> *)
Instance details Defined in Data.Semigroupoid.Dual Methods id :: Dual k2 a a # (.) :: Dual k2 b c -> Dual k2 a b -> Dual k2 a c #
Groupoid k2 => Groupoid (Dual k2 :: k1 -> k1 -> *)
Instance details Defined in Data.Groupoid Methods inv :: Dual k2 a b -> Dual k2 b a #
Semigroupoid k2 => Semigroupoid (Dual k2 :: k1 -> k1 -> *)
Instance details Defined in Data.Semigroupoid.Dual Methods o :: Dual k2 j k10 -> Dual k2 i j -> Dual k2 i k10 #
Wrapped (Dual k3 a b)
Instance details Defined in Control.Lens.Wrapped Associated Types type Unwrapped (Dual k3 a b) :: * # Methods _Wrapped' :: Iso' (Dual k3 a b) (Unwrapped (Dual k3 a b)) #
t ~ Dual k' a' b' => Rewrapped (Dual k6 a b) t
Instance details Defined in Control.Lens.Wrapped
type Unwrapped (Dual k3 a b)
Instance details Defined in Control.Lens.Wrapped type Unwrapped (Dual k3 a b) = k3 b a