pkgsrc/math/hs-contravariant/DESCR
pho de1040ddbd Import contravariant-1.5.2 from wip
Contravariant functors, sometimes referred to colloquially as
cofunctor, even though the dual of a functor is just a functor. As
with functor the definition of contravariant for a given ADT is
unambiguous.
2020-01-01 02:29:19 +00:00

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Contravariant functors, sometimes referred to colloquially as
cofunctor, even though the dual of a functor is just a functor. As
with functor the definition of contravariant for a given ADT is
unambiguous.