The representable-functors package

[ Tags: bsd3, data-structures, deprecated, functors, library, monads ] [ Propose Tags ]
Deprecated. in favor of adjunctions

Representable functors


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Versions 0.1.0, 0.1.0.1, 0.1.0.2, 0.2.0, 0.3.0, 0.3.0.1, 0.3.0.2, 0.3.0.3, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.5.0, 1.8.0, 2.0, 2.0.0.1, 2.0.0.3, 2.0.0.4, 2.0.0.5, 2.0.1, 2.0.2, 2.1, 2.1.2, 2.2, 2.2.1, 2.2.1.1, 2.4, 2.4.0.1, 2.4.0.2, 2.5, 3.0, 3.0.0.1, 3.0.0.2, 3.0.0.3, 3.0.1, 3.1, 3.2.0.1, 3.2.0.2
Change log CHANGELOG.markdown
Dependencies array (>=0.3.0.2 && <0.5), base (==4.*), comonad (==3.*), comonad-transformers (>=3), comonads-fd (>=3), containers (>=0.3 && <0.6), contravariant (>=0.2.0.1), distributive (>=0.2.2), free (>=3), keys (>=3), mtl (>=2.0.1.0 && <2.2), semigroupoids (>=3), semigroups (>=0.8.3.1), transformers (>=0.2 && <0.4) [details]
License BSD3
Copyright Copyright (C) 2011 Edward A. Kmett
Author Edward A. Kmett
Maintainer Edward A. Kmett <ekmett@gmail.com>
Category Monads, Functors, Data Structures
Home page http://github.com/ekmett/representable-functors/
Bug tracker http://github.com/ekmett/representable-functors/issues
Source repository head: git clone git://github.com/ekmett/representable-functors.git
Uploaded Sun Jan 6 22:42:18 UTC 2013 by EdwardKmett
Updated Thu Jan 8 08:48:16 UTC 2015 by HerbertValerioRiedel to revision 1
Distributions Debian:2.4.0.2, NixOS:3.2.0.2
Downloads 8843 total (53 in the last 30 days)
Rating 0.0 (0 ratings) [clear rating]
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Readme for representable-functors-3.0.1

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representable-functors

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This package provides representable functors for haskell. In category theory a representable functor (more pedantically a corepresentable functor) is one such that f a is isomorphic to x -> a. We choose the name Representable here because we are talking about haskell Functor instances, and they are all covariant, so this is the more natural notion of representability for Haskell.

Contact Information

Contributions and bug reports are welcome!

Please feel free to contact me through github or on the #haskell IRC channel on irc.freenode.net.

-Edward Kmett