The groupoids package

[Tags: bsd3, deprecated, library]

Deprecated in favor of semigroupoids

Haskell 98 Groupoids

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Versions0.1, 0.1.1,,, 0.2, 0.2.1,,, 3.0, 3.0.1,, 4.0
Change logCHANGELOG.markdown
Dependenciesbase (>=4 && <4.5 || >=4.6 && <5), semigroupoids (>=3) [details]
CopyrightCopyright (C) 2011-2013 Edward A. Kmett
AuthorEdward A. Kmett
MaintainerEdward A. Kmett <>
CategoryControl, Categories
Home page
Bug tracker
Source repositoryhead: git clone git://
UploadedSun Jan 6 23:33:02 UTC 2013 by EdwardKmett
UpdatedThu May 28 08:19:01 UTC 2015 by AdamBergmark to revision 1
DistributionsLTSHaskell:4.0, NixOS:4.0, Stackage:4.0
Downloads13241 total (21 in last 30 days)
0 []
StatusDocs uploaded by user
Build status unknown [no reports yet]




Maintainers' corner

For package maintainers and hackage trustees

Readme for groupoids-3.0.1


Build Status

A groupoid is a category where every arrow has an inverse. This package provides them 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

-Edward Kmett