We're hitting something that looks similar with a Chan on 7.2.1, though they might be related..
On Fri, Nov 11, 2011 at 4:52 AM, Simon Marlow <[email protected]> wrote: > Sorry, no. That one has a workaround: define your own fixIO: > > fixIO :: (a -> IO a) -> IO a > fixIO k = do > m <- newEmptyMVar > ans <- unsafeInterleaveIO (takeMVar m) > result <- k ans > putMVar m result > return result >
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