[Fun With Perl] Re: How to swap $p and $q without $tmp

[Bek Oberin <gossamer@tertius.net.au>]

Roland Giersig wrote:
> Easy. Just right to left. Equivalent multiline version:
>  $q ^= $p;
>  $p ^= $q;
>  $q ^= $p;

I must be dumb.   I still don't get it.  Maybe its just too
late at night?

bekj

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