diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_compile/tc140.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/tc140.hs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/tc140.hs b/testsuite/tests/typecheck/should_compile/tc140.hs new file mode 100644 index 0000000000..6536e3d47d --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/tc140.hs @@ -0,0 +1,14 @@ +{-# LANGUAGE Rank2Types #-} + +-- Make sure for-alls can occur in data types + +module Foo where + +newtype CPS1 a = CPS1 { unCPS1 :: forall ans . (a -> ans) -> ans } + +newtype CPS2 a = CPS2 (forall ans . (a -> ans) -> ans) + -- This one also has an interesting record selector; + -- caused an applyTypeArgs crash in 5.02.1 + +data CPS3 a = CPS3 { unCPS3 :: forall ans . (a -> ans) -> ans } +data CPS4 a = CPS4 (forall ans . (a -> ans) -> ans) |