[project @ 1996-01-08 20:28:12 by partain]
[ghc.git] / ghc / compiler / tests / typecheck / should_succeed / tc054.hs
1 module ShouldSucceed where
2
3 class Eq' a where
4 doubleeq :: a -> a -> Bool
5
6 class (Eq' a) => Ord' a where
7 lt :: a -> a -> Bool
8
9 instance Eq' Int where
10 doubleeq x y = True
11
12 instance Ord' Int where
13 lt x y = True
14
15 f x y | lt x 1 = True
16 | otherwise = False