| category-extras-0.53.6: Various modules and constructs inspired by category theory | Contents | Index |
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Control.Morphism.Para | Portability | non-portable (rank-2 polymorphism) | Stability | experimental | Maintainer | Edward Kmett <ekmett@gmail.com> |
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Description |
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Synopsis |
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Documentation |
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type Para f = (,) (FixF f) |
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type ParaT w f = CoreaderT w (FixF f) |
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distParaT :: (Functor f, Comonad w) => Dist f w -> Dist f (ParaT w f) |
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para :: Functor f => GAlgebra f (Para f) a -> FixF f -> a |
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g_para :: (Functor f, Comonad w) => Dist f w -> GAlgebra f (ParaT w f) a -> FixF f -> a |
Generalized paramorphisms using a comonad reader transformer to carry the primitive recursive state
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prepro_para :: Functor f => GAlgebra f (Para f) a -> (f :~> f) -> FixF f -> a |
A paramorphic prepromorphism
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g_prepro_para :: (Functor f, Comonad w) => Dist f w -> GAlgebra f (ParaT w f) a -> (f :~> f) -> FixF f -> a |
A generalized paramorphic prepromorphism
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Produced by Haddock version 2.1.0 |