Global variables

Bulat Ziganshin bulat.ziganshin at
Thu Feb 1 16:39:38 EST 2007

Hello David,

Friday, February 2, 2007, 12:14:05 AM, you wrote:

>> Why is this unsafe? What could go wrong?

> ref :: IORef [a]
> ref <- newIORef []

it could be easily fixed by disallowing polymorphic types here. if
someone really need polymorphism, he can continue to use old trick

Best regards,
 Bulat                            mailto:Bulat.Ziganshin at

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