[Python-3000] have zip() raise exception for sequences of different lengths

[Ron Adam]

Guido van Rossum wrote:

> Perhaps a compromise could be to add a keyword parameter to request
> such an exception? (We could even add three options: truncate, pad,
> error, with truncate being the default, and pad being the old map()
> and filter() behavior.)

Maybe it can be done with just two optional keywords.


If 'match' is True, raise an error if iterables are mismatched.

if a 'pad' is specified then pad, else truncate.

The current truncating behavior would be the default.


    Ron