[Haskell-cafe] Top-level TVars

[Joel Reymont]

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.

	Thanks, Joel

P.S. What is the ETA for 6.5?
	
On Mon, Dec 05, 2005 at 10:50:13AM -0000, Simon Peyton-Jones wrote:
 >
 > It turns out to be easy to provide
 >
 > newTVarIO :: a -> IO (TVar a)
 >
 > which you can call from inside 'unsafePerformIO'.  That means you can
 > allocate top-level TVars without fuss.
 >

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