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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Source Files (show merged sources derived from linked package)
Filename Size Changed
ghc-semigroups.changes 0000008349 8.15 KB
ghc-semigroups.spec 0000002944 2.88 KB
semigroups-0.20.tar.gz 0000018788 18.3 KB
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