diff options
Diffstat (limited to 'testsuite/tests/arrows/should_fail/arrowfail004.hs')
-rw-r--r-- | testsuite/tests/arrows/should_fail/arrowfail004.hs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/testsuite/tests/arrows/should_fail/arrowfail004.hs b/testsuite/tests/arrows/should_fail/arrowfail004.hs new file mode 100644 index 0000000000..3e0835a0e4 --- /dev/null +++ b/testsuite/tests/arrows/should_fail/arrowfail004.hs @@ -0,0 +1,12 @@ +{-# LANGUAGE Arrows, ExistentialQuantification #-} + +-- Trac #1662 + +module ShouldFail where + +import Control.Arrow + +data T = forall a. T a + +panic :: (Arrow arrow) => arrow T T +panic = proc (T x) -> do returnA -< T x
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