ref: 5f1eafa05adeb65e2cd1f6db83d9cbd88c2cb0d9
dir: /tests/Symbol.hs/
module Symbol(main) where import Prelude data T (s::Symbol) = A Int class C a where m :: a -> Int instance C (T "id") where m (A i) = i instance C (T "neg") where m (A i) = - i instance C (T "inc") where m (A i) = succ i a :: T "id" a = A 10 b :: T "neg" b = A 10 c :: T "inc" c = A 10 main :: IO () main = do print (m a) print (m b) print (m c) return ()