Closed syaiful6 closed 8 years ago
I think the Dual of monoid should swap the operation on it's concat: https://hackage.haskell.org/package/base-4.9.0.0/docs/Data-Monoid.html#t:Dual
concat
otherwise it make no sense to wrap them on Dual. isn't that correct?
I think the Dual of monoid should swap the operation on it's
concat: https://hackage.haskell.org/package/base-4.9.0.0/docs/Data-Monoid.html#t:Dualotherwise it make no sense to wrap them on Dual. isn't that correct?