diff options
Diffstat (limited to 'testsuite/tests/mdo/should_compile/mdo005.hs')
| -rw-r--r-- | testsuite/tests/mdo/should_compile/mdo005.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/tests/mdo/should_compile/mdo005.hs b/testsuite/tests/mdo/should_compile/mdo005.hs new file mode 100644 index 0000000000..0b6301b8a5 --- /dev/null +++ b/testsuite/tests/mdo/should_compile/mdo005.hs @@ -0,0 +1,15 @@ +{-# OPTIONS -XRecursiveDo #-} + +-- test scoping + +module Main (main) where + +import Control.Monad.Fix +import Data.Maybe ( fromJust ) + +t = mdo x <- fromJust (mdo x <- Just (1:x) + return (take 4 x)) + return x + +main :: IO () +main = print t |