[issue45026] More compact range iterator

[Dennis Sweeney]

Dennis Sweeney <sweeney.dennis650 at gmail.com> added the comment:

Is it worth removing the len field as well and lazily using get_len_of_range() as needed?

Then the hot function can look something like:

static PyObject *
rangeiter_next(rangeiterobject *r)
{
    long result = r->start
    if (result < r->stop) {
        r->start += r->step;
        return PyLong_FromLong(result);
    }
    return NULL;
}

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nosy: +Dennis Sweeney

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45026>
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