* Edward Z. Yang <ezy...@mit.edu> [2012-12-08 11:19:01-0800] > The monoid instance is necessary to ensure adherence to the monad laws.
This doesn't make any sense to me. Are you sure you're talking about the MonadWriter class and not about the Writer monad? Roman _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe