Python Data Structures - bags/multisets and setlists
Project description
Project Homepage: http://code.google.com/p/python-data-structures/
For now, this package includes one module - collections_extended. This module extends the built-in collections module to include a bag class, AKA multiset, and a setlist class, which is a list of unique elements or an ordered set depending on how you look at it. There are also frozen (hashable) varieties of each included. Finally, all collections are abstracted into one Collection abstract base class and a Collection factory is provided where you can create a Collection by specifying the properties unique, ordered and mutable.
See http://code.google.com/p/python-data-structures/wiki/CollectionsExtendedProposal for more.
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