diff options
Diffstat (limited to 'testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.hs')
| -rw-r--r-- | testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.hs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.hs b/testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.hs new file mode 100644 index 0000000000..c9f25027f9 --- /dev/null +++ b/testsuite/tests/monadfail/MonadFailWarningsWithRebindableSyntax.hs @@ -0,0 +1,14 @@ +-- Test purpose: +-- RebindableSyntax does not play that well with MonadFail, so here we ensure +-- that when both settings are enabled we get the proper warning. + +{-# OPTIONS_GHC -fwarn-missing-monadfail-instance #-} +{-# LANGUAGE RebindableSyntax #-} + +module MonadFailWarningsWithRebindableSyntax where + +import Prelude + +test1 f g = do + Just x <- f + g |