[issue5032] itertools.count step

[Raymond Hettinger]

Raymond Hettinger <rhettinger at users.sourceforge.net> added the comment:

Am not too excited about this one.  As a heavy itertools user myself,
I've never had occasion to need a step argument.  As an implementer, I'm
aware that it would make the code for count() much more complex (because
of the internal optimizations and because step can be positive,
negative, or zero).

Have you had any real world use cases where count(start, step) would
have been the best solution?

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<http://bugs.python.org/issue5032>
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