On Wed, Jul 20, 2011 at 10:07 PM, Ryan Trinkle <ryant5000@gmail.com> wrote:
The following code doesn't compile, but it seems sensible enough to me.  Is this a limitation of GHC or is there something I'm missing?


class C (A x) => C x where
  type A x :: *

Did you mean

class (A x) => C x where
    type A x :: *

-- Anupam