PEP 234: Iterators

[Aahz Maruch]

In article <87ae4v3nju.fsf at elbereth.ccraig.org>,
Christopher A. Craig <com-nospam at ccraig.org> wrote:
>Just van Rossum <just at letterror.com> writes:
>> Roman Suzi wrote:
>>>
>>> What about xitems, xvalues, xkeys (as in xrange?)
>> 
>> Please read the PEP: iterators largely make these
>> redundant. Eg. dict.iteritems() doesn't return a list of items (we
>> already have dict.items() for that) but an _iterator_, allowing you
>> to iterate over the items _without_ creating a list containing them
>> all...
>
>Much as xrange presently doesn't return a list of items, but an object
>that returns the next item with each successive call to __getitem__.
>I think his point was that having methods on the mapping objects named
>xitems, xvalues, and xkeys instead of iteritems, itervalues, and
>iterkeys would be inline with names of the present xrange and
>xreadlines functions. 

Well, yes.  The whole point of this exercise is that xrange() will be
essentially deprecated in 2.2.  There's no more need to create any new
x*() functions.
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