BSD-3-Clause licensed by Mario Blazevic
Maintained by Mario Blazevic
This version can be pinned in stack with:monoid-subclasses-0.4.1.2@sha256:bab10bebf10fb3f44587356abb50da554948b0d974579f3f177b5cb6154edaa5,1941
Used by 3 packages in nightly-2015-12-01(full list with versions):

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