[Python-iterators] Re: PEP 234: Iterators

[Tim Peters]

[Thomas Bellman]
> ...
> My program was to download a set of web pages, indexed by a date
> in the URL.  The next() method in the iterator generated the URL
> for the next day, and I didn't want it to start trying to download
> 2000 years worth of web pages...  Thus I would do:
>
>     ui = iter(obj)
>     ui.set_start(2000,4,23)
>     ui.set_end(2000,5,29)
>     for url in ui:
> 	urlopen.urlretrieve(url)

Oh dear. *Another* year 2**31 problem waiting to bite us!  I hope Python
3*10L**10 will eradicate the visible distinction between ints and longs by
then.

can't-be-in-favor-of-iterators-if-they-encourage-ints-ly y'rs  - tim