diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_fail/T17021b.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T17021b.hs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/T17021b.hs b/testsuite/tests/typecheck/should_fail/T17021b.hs new file mode 100644 index 0000000000..6c9452ca70 --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T17021b.hs @@ -0,0 +1,10 @@ +{-# LANGUAGE PolyKinds, TypeFamilies, DataKinds #-} + +module T17021b where + +import Data.Kind + +data family Fix (f :: Type -> k) :: k +type family F (a :: Type) :: Type where + F Int = Type -> Type +data instance Fix (f :: Type -> F Int) :: F Int |