diff options
Diffstat (limited to 'testsuite/tests/lib/IORef/ioref001.hs')
| -rw-r--r-- | testsuite/tests/lib/IORef/ioref001.hs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/testsuite/tests/lib/IORef/ioref001.hs b/testsuite/tests/lib/IORef/ioref001.hs new file mode 100644 index 0000000000..837b82e0c1 --- /dev/null +++ b/testsuite/tests/lib/IORef/ioref001.hs @@ -0,0 +1,9 @@ + +module Main where + +import Data.IORef + +loop r 0 = return () +loop r c = loop r (c-1) >> writeIORef r 42 + +main = newIORef 0 >>= \r -> loop r 1000000 >> putStrLn "done" |