Victor Nazarov wrote:
I think it is more simple like:class Bijection a b where ... type LeftToRight a = (Bijection a b) => b type RightToLeft b = (Bijection a b) => a
Hmm, yes... That looks like it could work. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
