[issue9520] Add Patricia Trie high performance container (python's defaultdict(int) is unusable on datasets with 10, 000, 000+ keys.)

[Ezio Melotti]

Ezio Melotti <ezio.melotti at gmail.com> added the comment:

I think it would be better to propose this on the python-ideas mailing list.

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nosy: +ezio.melotti, rhettinger
type: performance -> feature request
versions:  -Python 3.1, Python 3.3

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