+++ /dev/null
--- Test newtype derived instances
-
-newtype Age = MkAge Int deriving (Eq, Show)
-
-instance Num Age where
- (+) (MkAge a) (MkAge b) = MkAge (a+b)
- (*) = undefined
- negate = undefined
- abs = undefined
- signum = undefined
- fromInteger = undefined
-
-main = print (MkAge 3 + MkAge 5)