Ooops! ;-)
Brian Hulley wrote:
module M (Rec, use) where
import DotClasses.Dot_f -- every class has its own module (*)
data Rec' a = Rec a
newtype Rec a = Rec (Rec' a)
instance Dot__f (Rec' a) a where
instance Dot_f (Rec' a) a where
__dot_f (Rec' x) = x
use :: Rec a -> (a,a)
use (Rec r) = use' r
use' :: Rec' a -> (a,a)
use' r = (r.f, r.f)
use' r = (__dot_f r, __dot_f r)
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