# Revision history for commutative-semigroups ## 0.0.2.0 -- 2022-03-26 - Add `instance Ord a => Commutative (Set a)` - Add `instance Commutative IntSet` ## 0.0.1.0 -- 2021-01-28 - Add instance for `Maybe`. ## 0.0.0.0 -- 2021-01-06 Initial version, created from `groups` package.