At 2002-08-11 23:48, I wrote:

>>I want to implement something like the C idea of:
>>n += i
>>
>>So how does one doe this in Haskell?
>
>  do {
>    val <- readIORef n;
>    writeIORef n (val + i);
>  };

Or even...

  modifyIORef n ((+) i);



-- 
Ashley Yakeley, Seattle WA

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