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Fri Dec 31 16:02:43 CET 2010 · https://mail.python.org/pipermail/python-dev/2010-December/107155.html

2010/12/31 Maciej Fijalkowski <fijall at gmail.com>

> On Fri, Dec 31, 2010 at 12:00 PM, Maciej Fijalkowski <fijall at gmail.com>
> wrote:
> >> OK, but is it mandatory? For example, in the above code, I can unroll
> the
> >> loop because I found that range is the usual built-in, 5 is a low-enough
> >> constant,
> >
> > How do you know xrange is xrange and not something else?
> >
> > Cheers,
> > fijal
> >
>
> Err, misread. How do you know that range is a builtin you're thinking
> about and not some other object?
>
> Cheers,
> fijal
>

By a special opcode which could do this work. ]:-)

Cesare
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[Python-Dev] Possible optimization for LOAD_FAST ?