diff options
Diffstat (limited to 'testsuite/tests/indexed-types/should_fail/T4099.hs')
| -rw-r--r-- | testsuite/tests/indexed-types/should_fail/T4099.hs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/indexed-types/should_fail/T4099.hs b/testsuite/tests/indexed-types/should_fail/T4099.hs new file mode 100644 index 0000000000..1ca3c7a4a5 --- /dev/null +++ b/testsuite/tests/indexed-types/should_fail/T4099.hs @@ -0,0 +1,14 @@ +{-# LANGUAGE TypeFamilies #-} + +module T4099 where + +type family T a + +foo :: T a -> Int +foo x = error "urk" + +bar1 :: T b -> Int +bar1 x = foo x + +bar2 :: Maybe b -> Int +bar2 x = foo x |