semigroups: Haskell 98 semigroups

[ 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.

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, 0.18.4
Dependencies base (==4.*), containers (>=0.3 && <0.5) [details]
License BSD-3-Clause
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/
Source repo head: git clone git://github.com/ekmett/semigroups.git
Uploaded by EdwardKmett at Sat Apr 7 11:42:35 UTC 2012
Distributions Arch:0.18.4, Debian:0.18.0.1, Fedora:0.18.3, FreeBSD:0.16.2.2, LTSHaskell:0.18.4, NixOS:0.18.4, Stackage:0.18.4, openSUSE:0.18.4
Downloads 383822 total (265 in the last 30 days)
Rating 2.75 (votes: 8) [estimated by rule of succession]
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