On 10/31/09, Heinrich Apfelmus <[email protected]> wrote: > The only possible monad instance would be > > return x = Const mempty > fmap f (Const b) = Const b > join (Const b) = Const b
Your join doesn't seem to have the right type... Unless I'm missing something. Bob _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
