Steffen Schuldenzucker wrote: > data Foo a = Foo a > > instance Functor Foo where > fmap f (Foo x) = Foo . f . f $ x
I think this doesn't typecheck. Cheers, Jochem -- Jochem Berndsen | [email protected] | joc...@牛在田里.com _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
