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Diffstat (limited to 'testsuite/tests/typecheck/should_compile/tc037.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/tc037.hs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/tc037.hs b/testsuite/tests/typecheck/should_compile/tc037.hs new file mode 100644 index 0000000000..8621b278d3 --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/tc037.hs @@ -0,0 +1,9 @@ +module ShouldSucceed where + +class Eq' a where + deq :: a -> a -> Bool + +instance (Eq' a) => Eq' [a] where + deq [] [] = True + deq (x:xs) (y:ys) = if (x `deq` y) then (deq xs ys) else False + deq other1 other2 = False |