Hers's another one line solution for swapping two variables a and b

a=b+a-(b=a)

On Sat, Jun 11, 2011 at 2:55 PM, Andreas Hahn <www.gal...@googlemail.com>wrote:

> Well, on pod, this is an alternative to swapping two variables with a
> third temporary, but be careful with objects!
> It won't work on all objects and in C++0x there is the "move" for this
> purpose.
>
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