wagne...@seas.upenn.edu wrote:
I believe I was claiming that, in the absence of undefined, Nothing and Nothing2 *aren't* isomorphic (in the CT sense).
Well, this is only due to Haskell's difficulty with empty case expressions. If that were fixed, they would be isomorphic even without undefined.
-- Ashley Yakeley _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
