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This is premature optimisation gone mad! For most purposes for speed to be a factor in this decision the array would need to contain of the order of 1 million entries.

Sure, benchmarks are fun to write (although often hard to make meaningful), but the overwhelming criteria in this sort of coding decision is clarity and maintainability of the code. By that metric on both counts 'original' is way down the list. I'd go for variation 1 or a for modifier version of 'original', either of which is clear, succinct and not particularly prone to coding errors.

True laziness is hard work

In reply to Re^2: better array to hash conversion by GrandFather
in thread better array to hash conversion by perltux

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