Library provides the functions to find unique and duplicate elements in the list (fork of kapral's Unique)  (https://hackage.haskell.org/package/Unique)

kapral's Unique

TAG 0.4.7.1 kapral Thu Sep 7 22:43:29 UTC 2017
Added allUnique kapral Thu Sep 7 22:41:38 UTC 2017
Allow newer base eborden Tue Aug 22 23:54:45 UTC 2017
fixed build-depends:base kapral Mon Jan 9 17:37:18 UTC 2017
rev map mods kapral Sun Jan 8 21:43:42 UTC 2017
reverting Map modules. fixing deps issue kapral Sun Jan 8 21:39:36 UTC 2017
added isUnique, isRepeated && sortUniq to Map modules kapral Sun Jan 8 12:52:21 UTC 2017
minor improvements. added one test for `repeated` kapral Sat Jan 7 17:53:04 UTC 2017
minor changes in .cabal file kapral Sat Jan 7 14:11:31 UTC 2017
TAG 4.6 kapral Sat Jan 7 13:58:28 UTC 2017
added tests for complex, minor fixes kapral Sat Jan 7 13:51:06 UTC 2017
added tests for repeatedBy , minor improvements kapral Fri Jan 6 23:14:14 UTC 2017
added one more test for sortUniq kapral Fri Jan 6 22:04:04 UTC 2017
added tests for sortUniq function kapral Fri Jan 6 21:47:55 UTC 2017
added minor test for isRepeated kapral Fri Jan 6 20:32:28 UTC 2017
wrote tests for IsUnique kapral Fri Jan 6 20:27:55 UTC 2017
minor fixes. kapral Fri Jan 6 00:44:12 UTC 2017
added hlint suggestions kapral Fri Mar 11 20:03:31 UTC 2016
added 'isUnique' and 'isRepeated' functions kapral Fri Mar 11 19:50:48 UTC 2016
added 'occurrences' function kapral Fri Mar 11 00:36:51 UTC 2016
added 'complex' function kapral Thu Mar 10 23:54:13 UTC 2016
removed redundant import kapral Thu Mar 10 21:37:22 UTC 2016