You will always need to update two data structures if you reuse Perl structures.

The OP suggested using sort, so how efficient is that without caching the result?

Maybe B-Trees are better suited here, though this certainly depends on the use case.

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery FootballPerl is like chess, only without the dice

In reply to Re^5: Hashes do preserve insertion order after all by LanX
in thread Hashes do preserve insertion order after all by kikuchiyo

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