Hallo,
On 10/21/09, Tim Wawrzynczak <inforichl...@gmail.com> wrote:
> Here's an example in the IO monad:
>
> import Data.IORef
> import System.IO.Unsafe
>
> counter = unsafePerformIO $ newIORef 0
>
> next = do
> modifyIORef counter (+1)
> readIORef counter
>
> Naturally, this uses unsafePerformIO, which as you know, is not kosher...
>
This is different because counter is global.
Cheers,
--
-alex
http://www.ventonegro.org/
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