On 7-Sep-07, at 4:51 PM, William Tanksley, Jr wrote:

> I understand this, but I think it's more complicated than just this.
> When the need is for a 'dup' I'd rather use 'dup' than 'a--aa'; but
> when the need is for a chain of stack shuffles, I'd far rather use
> 'abcd--dcdabacd' than spend the time thinking of the alternative.
>
> (Yes, I concede that a horror like I just wrote is usually well
> handled by refactoring. But as we all know, sometimes it isn't.)

If I can't find a nice way to express something with the stack, I'd  
rather just use locals. IMO, a shuffle like abcd-dcdabacd isn't easy  
to follow, whichever way you dice it.

Slava

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