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.

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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 && <5), bytestring (>=0.9 && <0.11), containers (>=0.3 && <0.6), hashable (>=1.1 && <1.3), nats (>=0.1 && <1), text (>=0.10 && <0.12), unordered-containers (==0.2.*) [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	Mon Sep 16 20:25:56 UTC 2013 by EdwardKmett
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	318619 total (2969 in the last 30 days)
Rating	2.5 (6 ratings) [clear rating] λ λ λ
Status	Docs uploaded by user Build status unknown [no reports yet] Hackage Matrix CI