If I have a class, say class Symantics repr where int:: Int -> repr Int
and so on, I would like to *require* that 'repr' be covariant. Is there any way to do that?
Jacques _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
