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hackage.haskell.org : acme-cofunctor
A Cofunctor is a structure from category theory dual to Functor. A Functor is defined by the operation fmap: This means that its dual must be defined by the following operation: Since beginning his investigations, the author of this package has discovered that this pattern is at least as commonly used as Functor. In fact, many ubiquitous Haskell types (e.g. [], Maybe, ((->) a) turn out to have a Cofunctor instance.
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purl: pkg:hackage/acme-cofunctor
Keywords: acme, bsd3, library
License: BSD-3-Clause
Latest release: almost 7 years ago
First release: over 9 years ago
Downloads: 2,191 total
Stars: 14 on GitHub
Forks: 2 on GitHub
See more repository details: repos.ecosyste.ms
Last synced: 14 days ago