On 12 March 2013 13:18, Roman Cheplyaka <r...@ro-che.info> wrote: > Is there a way to newtype a constraint? > > Imagine a type class parameterised over constraints. What do I do if I > want multiple instances for (essentially) the same constraint?
It would make sense to add support for this to newtype directly. I think it would also make sense to allow newtypes over types of kind #. "All" that is required is some implementation effort: I looked into doing this as part of the constraint kinds patches but it is a bit messy. Max _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
