Haskell 98 semigroups

Edit Package ghc-semigroups
http://hackage.haskell.org/package/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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Filename Size Changed
ghc-semigroups.changes 0000007542 7.37 KB
ghc-semigroups.spec 0000002151 2.1 KB
semigroups-0.19.2.tar.gz 0000018960 18.5 KB
Revision 2 (latest revision is 4)
Yuchen Lin's avatar Yuchen Lin (maxlin_factory) accepted request 918419 from Yuchen Lin's avatar Yuchen Lin (maxlin_factory) (revision 2)
superseding old request
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