category-extras-0.53.5: Various modules and constructs inspired by category theorySource codeContentsIndex
Control.Functor.Pointed
Portabilityportable
Stabilityexperimental
MaintainerEdward Kmett <ekmett@gmail.com>
Description
Documentation
class Functor f => Pointed f whereSource
Methods
point :: a -> f aSource
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class Functor f => Copointed f whereSource
Methods
extract :: f a -> aSource
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class PFunctor f Hask Hask => PPointed f whereSource
Methods
preturn :: a -> f a cSource
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class PFunctor f Hask Hask => PCopointed f whereSource
Methods
pextract :: f a c -> aSource
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