The more cases you have, the less efficient it is to loop over the data set each time. That's where a sieve comes in handy. It short-circuits the loop over the filters, and loops through the data only once.
Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

In reply to Re^3: Crazy hash sorting issue. by japhy
in thread Crazy hash sorting issue. by rementis

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