[Haskell-cafe] Top-level TVars
joelr1 at gmail.com
Tue Dec 13 13:08:23 EST 2005
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.
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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