On 3/27/06, Greg Ewing <[EMAIL PROTECTED]> wrote:
> Some years ago there was a long discussion about extending
> the for-loop to express parallel iteration over a number
> of iterables, which ended with the conclusion that such
> an extension was syntactically impossible, and the creation
> of zip().
>
> Slightly too late for consideration, I did come up with
> what I believe is a backwards-compatible syntax extension
> to support this:
>
> for (x in iter1, y in iter2):
> ...
I assume this would be exactly equivalent to::
for x, y in zip(iter1, iter2):
...
where zip is actually izip since we're talking Python 3000?
I'm -1, at least until I see some code that's substantially improved
by the syntax. The zip version isn't that complicated -- you just
need to understand how zip works. And zip has a variety of other
use-cases, so any consistent user of Python should get themselves
familiar with it.
STeVe
--
Grammar am for people who can't think for myself.
--- Bucky Katt, Get Fuzzy
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