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Diffstat (limited to 'haskell/haskell-semigroups/README')
| -rw-r--r-- | haskell/haskell-semigroups/README | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/haskell/haskell-semigroups/README b/haskell/haskell-semigroups/README new file mode 100644 index 0000000000..85b613b022 --- /dev/null +++ b/haskell/haskell-semigroups/README @@ -0,0 +1,9 @@ +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. + +After uninstalling, run this command to unregister the package from +the ghc package database: ghc-pkg recache |