diff options
Diffstat (limited to 'testsuite/tests/indexed-types/should_compile/GADT5.hs')
| -rw-r--r-- | testsuite/tests/indexed-types/should_compile/GADT5.hs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/indexed-types/should_compile/GADT5.hs b/testsuite/tests/indexed-types/should_compile/GADT5.hs new file mode 100644 index 0000000000..69a6481fd0 --- /dev/null +++ b/testsuite/tests/indexed-types/should_compile/GADT5.hs @@ -0,0 +1,14 @@ +{-# LANGUAGE TypeFamilies, GADTs #-} + +module GADT5 where + +data T a where + T :: T (a,b) + -- this works: + -- T :: p ~ (a,b) => T p + +type family F a + +bar :: T (F a) -> () +bar T = () + |