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Data::GUID provides a simple interface for generating and using globally unique identifiers.

Data::Rx is the perl implementation of Rx schema system.

Data::Hierarchy provides a simple interface for manipulating inheritable data attached to a hierarchical environment (like filesystem).

This module provides a round robin object implementation. It is similar to an iterator, only the internal counter is reset to the beginning whenever it reaches the end. It might also be considered as a circular iterator.

Data::IEEE754 provides some simple convenience functions for packing and unpacking IEEE 754 floats and doubles. Currently this module only implements big-endian order.

Alternate Data Localization API.

Data::MessagePack is a binary packer for perl.

This is a collection of miscellaneous subroutines useful in wide but varying scenarios; a catch-all module for things that don't obviously belong anywhere else. Obviously what's useful differs from person to person, but this particular collection should be useful in object-oriented frameworks, such as Class::Scaffold and Data::Conveyor.

Model interface which had more data sources unified, a.k.a data/object mapper.

This module defines a few generally useful utility functions.