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author | David Terei <davidterei@gmail.com> | 2011-07-20 11:09:03 -0700 |
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committer | David Terei <davidterei@gmail.com> | 2011-07-20 11:26:35 -0700 |
commit | 16514f272fb42af6e9c7674a9bd6c9dce369231f (patch) | |
tree | e4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/mdo/should_fail/mdofail001.hs | |
parent | ebd422aed41048476aa61dd4c520d43becd78682 (diff) | |
download | haskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz |
Move tests from tests/ghc-regress/* to just tests/*
Diffstat (limited to 'testsuite/tests/mdo/should_fail/mdofail001.hs')
-rw-r--r-- | testsuite/tests/mdo/should_fail/mdofail001.hs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/testsuite/tests/mdo/should_fail/mdofail001.hs b/testsuite/tests/mdo/should_fail/mdofail001.hs new file mode 100644 index 0000000000..fe8f95e766 --- /dev/null +++ b/testsuite/tests/mdo/should_fail/mdofail001.hs @@ -0,0 +1,16 @@ +{-# OPTIONS -XRecursiveDo #-} + +-- let bindings are monomorphic if used prior to their definition + +module Main (main) where + +import Control.Monad.Fix + +t :: IO (Int, Int) +t = mdo x <- return (l "1", l [1,2,3]) + let l [] = 0 + l (x:xs) = 1 + l xs + return x + +main :: IO () +main = t >>= print |