The semigroups package

[ Tags: algebra, bsd3, data, data-structures, library, math ] [ Propose Tags ]

Haskell 98 semigroups

In mathematics, a semigroup is an algebraic structure consisting of a set together with an associative binary operation. A semigroup generalizes a monoid in that there might not exist an identity element. It also (originally) generalized a group (a monoid with all inverses) to a type where every element did not have to have an inverse, thus the name semigroup.

Properties

Versions 0.1.0, 0.2.0, 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.3.4.1, 0.3.4.2, 0.4.0, 0.5.0, 0.5.0.1, 0.5.0.2, 0.6, 0.6.1, 0.7.0, 0.7.1, 0.7.1.1, 0.7.1.2, 0.8, 0.8.0.1, 0.8.2, 0.8.3, 0.8.3.1, 0.8.3.2, 0.8.4, 0.8.4.1, 0.8.5, 0.9, 0.9.1, 0.9.2, 0.10, 0.11, 0.12, 0.12.0.1, 0.12.1, 0.12.2, 0.13, 0.13.0.1, 0.14, 0.15, 0.15.1, 0.15.2, 0.15.3, 0.15.4, 0.16, 0.16.0.1, 0.16.1, 0.16.2, 0.16.2.1, 0.16.2.2, 0.17, 0.17.0.1, 0.18, 0.18.0.1, 0.18.1, 0.18.2, 0.18.3
Dependencies base (>=2 && <4.9), containers (>=0.3 && <0.6) [details]
License BSD3
Copyright Copyright (C) 2011 Edward A. Kmett
Author Edward A. Kmett
Maintainer Edward A. Kmett <ekmett@gmail.com>
Category Algebra, Data, Data Structures, Math
Home page http://github.com/ekmett/semigroups/
Bug tracker http://github.com/ekmett/semigroups/issues
Source repository head: git clone git://github.com/ekmett/semigroups.git
Uploaded Thu May 10 19:58:30 UTC 2012 by EdwardKmett
Updated Sat Jan 2 20:22:01 UTC 2016 by HerbertValerioRiedel to revision 1
Distributions Arch:0.18.3, Debian:0.18.0.1, Fedora:0.18.2, FreeBSD:0.16.2.2, LTSHaskell:0.18.3, NixOS:0.18.3, Stackage:0.18.3, Tumbleweed:0.18.2
Downloads 345734 total (13240 in the last 30 days)
Rating 2.75 (votes: 7) [estimated by rule of succession]
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Status Docs uploaded by user
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