The category-extras package

[ Tags: bsd3, comonads, control, library, monads ] [ Propose Tags ]

A vastly expanded collection of modules implementing various ideas from category theory. Notable bits include: comonads, adjunctions, and various recursion schemes ala Functional Programming with Bananas, Lenses, Envelopes and Barbed Wire.


Versions 0.1, 0.2, 0.44.1, 0.44.2, 0.44.4, 0.50.1, 0.50.3, 0.51.0, 0.51.2, 0.51.3, 0.52.0, 0.52.1, 0.52.3, 0.53.0, 0.53.1, 0.53.3, 0.53.4, 0.53.5,, 1.0, 1.0.1, 1.0.2
Dependencies array, base (<4.3), ghc, mtl (>=1.1 && <2) [details]
License BSD3
Copyright Copyright (C) 2008 Edward A. Kmett, Copyright (C) 2004--2008 Dave Menendez, Copyright (C) 2007 Iavor Diatchki
Author Edward A. Kmett, Dave Menendez
Maintainer Edward A. Kmett <>
Category Control, Monads, Comonads
Home page
Uploaded Tue Jun 17 02:54:16 UTC 2008 by EdwardKmett
Updated Thu Jun 1 07:22:07 UTC 2017 by HerbertValerioRiedel to revision 1   [What is this?]
Distributions NixOS:1.0.2
Downloads 11030 total (65 in the last 30 days)
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Status Docs uploaded by user
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Indicates Control.Category is available and that the standard library has its arrows subclass Control.Category.Category


Support for Type Families is available to us


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