[Python-iterators] Re: PEP 234: Iterators

[Alex Martelli]

"Guido van Rossum" <guido at digicool.com> wrote in message
news:mailman.988716782.29093.python-list at python.org...
    [snip]
> iterators.  E.g. here's an iterator that gives the even-numbered items
> of an argument iterator:
>
>   class EvenIterator:
>
>     def __init__(self, it):
>       self.it = it

If I understand the PEP correctly, wouldn't

        self.it = iter(it)

be better here?  Idempotent if 'it' is already an iterator, good if
'it' is a sequence instead?


Alex