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Diffstat (limited to 'testsuite/tests/typecheck/should_compile/tc062.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/tc062.hs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/tc062.hs b/testsuite/tests/typecheck/should_compile/tc062.hs new file mode 100644 index 0000000000..fde6c4b1da --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/tc062.hs @@ -0,0 +1,12 @@ +module ShouldSucceed where + +class Eq1 a where + deq :: a -> a -> Bool + +instance Eq1 Int where + deq x y = True + +instance (Eq1 a) => Eq1 [a] where + deq (a:as) (b:bs) = if (deq a b) then (deq as bs) else False + +f x (y:ys) = deq x ys |