On 2011-02-11 11:26, Alan Haggai Alavi wrote:
$variable_1 ||= $variable_2 is equivalent to
$variable_1 = $variable_1 || $variable_2.
Hmm, I don't buy that, I would say that $x ||= $y is equivalent to
$x = $y unless $x;
alternatively:
$x or $x = $y;
because the setting of $x only needs to happen if $x is false.
Realize that C<$variable_1 = $variable_1;> can only be optimized away if
no magic is involved.
--
Ruud
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