On Tue, Dec 13, 2005 at 06:08:23PM +0000, Joel Reymont wrote: > Can this be done now or is this a GHC 6.5 feature? > > My combination of unsafePerformIO with atomically $ newTVar does not > seem to be working.
Here is an example how you can initialize a top-level STM variable. http://www.uncurry.com/repos/TimeVar/TimeVar.hs It just forks a new thread inside unsafePerformIO, it runs "atomically" in it and passes the result through ordinary MVar. Best regards Tomasz -- I am searching for a programmer who is good at least in some of [Haskell, ML, C++, Linux, FreeBSD, math] for work in Warsaw, Poland _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe