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Diffstat (limited to 'testsuite/tests/mdo/should_compile/mdo003.hs')
-rw-r--r-- | testsuite/tests/mdo/should_compile/mdo003.hs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/testsuite/tests/mdo/should_compile/mdo003.hs b/testsuite/tests/mdo/should_compile/mdo003.hs new file mode 100644 index 0000000000..1a0cb37c2e --- /dev/null +++ b/testsuite/tests/mdo/should_compile/mdo003.hs @@ -0,0 +1,16 @@ +{-# OPTIONS -XRecursiveDo #-} + +-- test let bindings + +module Main (main) where + +import Control.Monad.Fix + +t :: IO Int +t = mdo x <- return (l "1") + let l [] = 0 + l (x:xs) = 1 + l xs + return x + +main :: IO () +main = t >>= print |