in reply to Perl Internals: Hashes
Do Perl hashes differ in implementation versus "associative arrays" that appear in other languages?
Maybe. Looking up key/value pairs doesn't necessarily have to be done by a hash, but it's certainly the first data structure I'd reach for when I needed that sort of functionality (even before I knew a lot of Perl).
There are a lot of details about hash implementations that will make tradeoffs for various system resources. I doubt any language implements them exactly the same way perl does (and I wouldn't be surprised if many details under Ponie will be different from the traditional perl implementation). In fact, the exact implementation details of hashes has changed many times just in Perl5.
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Note: All code is untested, unless otherwise stated
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