libtie-hash-indexed-perl - 0.05+ds1-3+b1 main

This module implements an ordered hash, meaning that it associates keys
with values like a Perl hash, but keeps the keys in a consistent order.
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Tie::Hash::Indexed is very similar to Tie::IxHash. However, it is written
completely in XS and usually about twice as fast as Tie::IxHash. It's quite a
lot faster when it comes to clearing or deleting entries from large hashes.
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However compared to Tie::IxHash, only the plain tying mechanism is supported.