+++ /dev/null
-{-# OPTIONS -fglasgow-exts #-}
-
--- !!! Functional dependencies
--- This one gave another fail in tcReadMutVar
-
-module M1 where
-
-class HasFoo a foo | a -> foo where
- foo :: a -> foo
-instance HasFoo Int Int where
- foo = id
-
-instance HasFoo a b => HasFoo [a] b where
- foo = foo . head
-
-test:: [[Int]] -> Int
-test = foo