[Haskell-cafe] why cannot i get the value of a IORef variable ?

Colin Paul Adams colin at colina.demon.co.uk
Thu Oct 22 01:50:07 EDT 2009

    zaxis> thank you! In fact i really donot understand
    zaxis> "unsafePerformIO" very much !

Then all you have to understand is - never use it! 
Colin Adams
Preston Lancashire

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