Woooowww..This has to be fast.

can you please explain what this statement does?

push @{ exists $a{ $_ } ? $d : $c }, $_ for keys %b;
and

and how can u have Hash %a and array ref @$a?

In reply to Re^2: As Efficient as Possible by mr_p
in thread As Efficient as Possible by mr_p

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