diff options
Diffstat (limited to 'testsuite/tests/ffi/should_run/T2469.hs')
| -rw-r--r-- | testsuite/tests/ffi/should_run/T2469.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/tests/ffi/should_run/T2469.hs b/testsuite/tests/ffi/should_run/T2469.hs new file mode 100644 index 0000000000..dc68ad73bf --- /dev/null +++ b/testsuite/tests/ffi/should_run/T2469.hs @@ -0,0 +1,15 @@ +import Foreign +import Foreign.C + +type IOF = Int -> IO Int + +foreign import ccall "wrapper" wrap_f_io :: IOF -> IO (FunPtr IOF) +foreign import ccall "dynamic" f_io :: FunPtr IOF -> IOF + +double_io :: Int -> IO Int +double_io x = return (x * 2) + +main = do + double2 <- wrap_f_io double_io + x <- f_io double2 42 + return () |