perl-Hash-Ordered

Fast, pure-Perl ordered hash class

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. Because it is implemented as an object and manipulated with method calls, it is much slower than a Perl hash. This is the cost of keeping order. However, compared to other *ordered* hash implementations, Hash::Ordered is optimized for getting and setting individual elements and is generally faster at most other tasks as well. For specific details, see Hash::Ordered::Benchmarks.

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