Serhiy Storchaka <storch...@gmail.com> added the comment: > On a side note, glancing at Python-3.3.0a4/Objects/rangeobject.c: > range_contains seems to iterate through the entire range whereas __contains__ > from the attached Range.py is O(1)
See issue1766304. For int range.__contains__ is O(1), for custom types this optimization is impossible without losing backward compatibility. ---------- nosy: +storchaka _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue15224> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com