For frequent use, make a hash

Yes. (But don't do this with refs.) There are compromises too, like binary searches and Tie::IxHash and other modules. Lots of different trade-offs can be made between ordering restrictions, code complexity, execution time, and space requirements. The trick is picking the right one. :-)

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

In reply to Re^2: how to quickly tell if number is in an array by sauoq
in thread how to quickly tell if number is in an array by redss

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