[Tutor] iterators

[Oscar Benjamin]

On Jan 19, 2014 6:49 PM, "Keith Winston" <keithwins at gmail.com> wrote:
>
> Well, as usual thanks for all this, it's really great. I'd worked out
> that it was a distinction between iterators and iterables, though I'm
> going to Oscar's description a few more times: most of it made sense,
> but there are subtleties.
>
> For example, this from the Python 3.3 tutorial:
>
> We say such an object is iterable [referring to "range"], that is,
> suitable as a target for functions and constructs that expect
> something from which they can obtain successive items until the supply
> is exhausted. We have seen that the for statement is such an iterator.
> The function list() is another; it creates lists from iterables:
>
> Now, everything we've said thus far would not have led me to believe
> that one would call the for statement an iterator... is this just
> very, very loose use of the term (in the Python documentation!), or am
> I still missing something biggish?

I think that's just an editing mistake. If you replace the word "iterator"
with "construct" then it makes sense: We have seen that the for statement
is such a construct.

Oscar
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