[issue18577] lru_cache enhancement: lru_timestamp helper function

[Raymond Hettinger]

Changes by Raymond Hettinger <raymond.hettinger at gmail.com>:


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assignee:  -> rhettinger
nosy: +rhettinger
versions: +Python 3.4 -Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18577>
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