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1. (.) :: forall (b :: k) (c :: k) (a :: k) . Category cat => cat b c -> cat a b -> cat a c

   basement	Basement.Compat.Base

   morphism composition

2. (.) :: forall (b :: k) (c :: k) (a :: k) . Category cat => cat b c -> cat a b -> cat a c

   basement	Basement.Imports

   morphism composition

3. (.) :: (b -> c) -> (a -> b) -> a -> c

   protolude	Protolude

   Right to left function composition.

   (f . g) x = f (g x)
   

   f . id = f = id . f
   

   Examples

   >>> map ((*2) . length) [[], [0, 1, 2], [0]]
   [0,6,2]
   

   >>> foldr (.) id [(+1), (*3), (^3)] 2
   25
   

   >>> let (...) = (.).(.) in ((*2)...(+)) 5 10
   30
   

4. (.) :: (b -> c) -> (a -> b) -> a -> c

   ghc-internal	GHC.Internal.Base

   Right to left function composition.

   (f . g) x = f (g x)
   

   f . id = f = id . f
   

   Examples

   >>> map ((*2) . length) [[], [0, 1, 2], [0]]
   [0,6,2]
   

   >>> foldr (.) id [(+1), (*3), (^3)] 2
   25
   

   >>> let (...) = (.).(.) in ((*2)...(+)) 5 10
   30
   

5. (.) :: forall (b :: k) (c :: k) (a :: k) . Category cat => cat b c -> cat a b -> cat a c

   ghc-internal	GHC.Internal.Control.Category

   morphism composition

6. (.) :: (b -> c) -> (a -> b) -> a -> c

   ghc-internal	GHC.Internal.Data.Function

   Right to left function composition.

   (f . g) x = f (g x)
   

   f . id = f = id . f
   

   Examples

   >>> map ((*2) . length) [[], [0, 1, 2], [0]]
   [0,6,2]
   

   >>> foldr (.) id [(+1), (*3), (^3)] 2
   25
   

   >>> let (...) = (.).(.) in ((*2)...(+)) 5 10
   30
   

7. (.) :: (b -> c) -> (a -> b) -> a -> c

   numeric-prelude	NumericPrelude

   Right to left function composition.

   (f . g) x = f (g x)
   

   f . id = f = id . f
   

   Examples

   >>> map ((*2) . length) [[], [0, 1, 2], [0]]
   [0,6,2]
   

   >>> foldr (.) id [(+1), (*3), (^3)] 2
   25
   

   >>> let (...) = (.).(.) in ((*2)...(+)) 5 10
   30
   

8. (.) :: (b -> c) -> (a -> b) -> a -> c

   numeric-prelude	NumericPrelude.Base

   Right to left function composition.

   (f . g) x = f (g x)
   

   f . id = f = id . f
   

   Examples

   >>> map ((*2) . length) [[], [0, 1, 2], [0]]
   [0,6,2]
   

   >>> foldr (.) id [(+1), (*3), (^3)] 2
   25
   

   >>> let (...) = (.).(.) in ((*2)...(+)) 5 10
   30
   

9. (.) :: forall (b :: k) (c :: k) (a :: k) . Category cat => cat b c -> cat a b -> cat a c

   basic-prelude	CorePrelude

   morphism composition

10. (.) :: forall (b :: k) (c :: k) (a :: k) . Category cat => cat b c -> cat a b -> cat a c

    classy-prelude	ClassyPrelude

    morphism composition

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