On Mon, Nov 10, 2014 at 11:11 PM, Michael Jones <[email protected]> wrote:
> ec <- return $ encode command > traceEventIO $ "sendCommand: encoded" > l <- ec `seq` return $ BSL.length ec > Your encode function probably loops on some inputs. When you call "return $ foo", foo is not forced; that doesn't happen in your example until BSL.length forces its input. If I'm right, changing the first line to "return $! encode command" will move the hang to before the call to traceEventIO. -- Gregory Collins <[email protected]>
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