BSD-3-Clause licensed by Mario Blazevic
Maintained by Mario Blazevic
This version can be pinned in stack with:monoid-subclasses-0.4.0.4@sha256:4e619788e858e492cbc511b5316a7fb8b383b3f25cfeff6afe6f325f0c33eccc,1942
Used by 2 packages in nightly-2015-05-11(full list with versions):

A hierarchy of subclasses of Monoid together with their instances for all data structures from base, containers, and text packages.