[Python-Dev] Candidate Itertools

Chermside, Michael mchermside at ingdirect.com
Wed Jun 16 14:25:04 EDT 2004

Raymond Hettinger writes:
> Feedback is requested for two prospective itertools:
> def count_elements(iterable):
>     b = {}
>     for elem in iterable:
>         b[elem] = b.get(elem, 0) + 1
>     return ((cnt, elem) for elem, cnt in b.iteritems())

Is the behavior of count_elements() exactly the same as
the given python equivalent when one (or more) of the
elements in the iterable is not hashable?

-- Michael Chermside

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