diff options
Diffstat (limited to 'testsuite/tests/gadt/lazypatok.hs')
| -rw-r--r-- | testsuite/tests/gadt/lazypatok.hs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/gadt/lazypatok.hs b/testsuite/tests/gadt/lazypatok.hs new file mode 100644 index 0000000000..bf1282fe39 --- /dev/null +++ b/testsuite/tests/gadt/lazypatok.hs @@ -0,0 +1,14 @@ +{-# LANGUAGE GADTs #-}
+
+-- It's not clear whether this one should succed or fail,
+-- Arguably it should succeed because the type refinement on
+-- T1 should make (y::Int). Currently, though, it succeeds
+
+module ShouldFail where
+
+data T a where
+ T1 :: Int -> T Int
+
+f :: (T a, a) -> Int
+f ~(T1 x, y) = x+y
+
|