diff options
Diffstat (limited to 'testsuite/tests/indexed-types/should_compile/T9747.hs')
| -rw-r--r-- | testsuite/tests/indexed-types/should_compile/T9747.hs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/testsuite/tests/indexed-types/should_compile/T9747.hs b/testsuite/tests/indexed-types/should_compile/T9747.hs index 3b1c47703e..aefffd55f6 100644 --- a/testsuite/tests/indexed-types/should_compile/T9747.hs +++ b/testsuite/tests/indexed-types/should_compile/T9747.hs @@ -4,13 +4,14 @@ module T9747 where import Data.List (intercalate) import Data.Proxy -import GHC.Exts (Constraint) +import Data.Kind (Type, Constraint) -data HList :: [*] -> * where +data HList :: [Type] -> Type where Nil :: HList '[] Cons :: a -> HList as -> HList (a ': as) -type family HListAll (c :: * -> Constraint) (ts :: [*]) :: Constraint where +type family HListAll (c :: Type -> Constraint) + (ts :: [Type]) :: Constraint where HListAll c '[] = () HListAll c (t ': ts) = (c t, HListAll c ts) @@ -27,7 +28,7 @@ test = showHList (Cons (2::Int) (Cons (3.1 :: Float) (Cons 'c' Nil))) -type family ConFun (t :: *) :: * -> Constraint +type family ConFun (t :: Type) :: Type -> Constraint data Tag type instance ConFun Tag = Group |