For example, check out these two ways to swap two variables: 
$x ^= $y ^= $x ^= $y;
($x, $y) = ($y, $x);

[download]

It might surprise you to learn that these aren't even equivalent. The XORs won't work with references. 

-sauoq
"My two cents aren't worth a dime.";

In reply to Re: Re: Faster Perl, Good and Bad News by sauoq
in thread Faster Perl, Good and Bad News by abitkin

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