simonmar/monad-par — pull request #30 by travitch (2013-04-29 20:29:20+00:00)
Title: Guard a print statement with a dbg check

busyTakeMVar seems to have a stray debugging statement in release 0.3.4.1.

I spawn many threads that intentionally wait for a long time, so this debugging message ends up being triggered quite a bit.