[Python-Dev] Re: syntactic shortcut - unpack to variably sized list

[Carlos Ribeiro]

On Sat, 20 Nov 2004 13:41:19 +1000, Nick Coghlan <ncoghlan at iinet.net.au> wrote:
> Terry Reedy wrote:
> > This issue has come up enough that a PEP would be useful (if there isn't
> > one already).
> 
> Nope, I had a look. I've got a draft one attached, though - it combines
> rejecting the syntax change with adding the other changes Carlos and I have
> suggested. If people think it's worth pursuing, I'll fire it off to the PEP editors.
 
I may be wrong (and if that's the case, I would like to be politely
educated on why), but isn't it already on a PEP-worthy point? IOW, if
people are not interested, then the PEP will simply be rejected, which
is a good thing, because it will at least document the case. I also
believe that the pre-PEP should be posted to the main Python list,
where it may be beaten to death & flamed by a larger audience. I am
willing to do it myself, but I assume that is more polite on my part
if I ask you to do it :-)

<PEP boilerplate & rationale snipped> 
> Reference Implementation
> ========================
> 
> As yet, no reference implementation is available for either part of the proposal.

I though the iunpack() code in the previous section would be
acceptable as a 'reference implementation'.

> Open Issues
> ===========
> 
> - Should ``itertools.iunpack`` call ``iter()`` on its first argument?

+1
 
> References
> ==========
> 
> .. [1] python-dev archives of tuple unpacking discussions
>    (http://mail.python.org/pipermail/python-dev/2002-November/030349.html)
>    (http://mail.python.org/pipermail/python-dev/2004-August/046684.html)
>    (http://mail.python.org/pipermail/python-dev/2004-November/049895.html)
> 
> Copyright
> =========
> 
> This document has been placed in the public domain.
> 
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-- 
Carlos Ribeiro
Consultoria em Projetos
blog: http://rascunhosrotos.blogspot.com
blog: http://pythonnotes.blogspot.com
mail: carribeiro at gmail.com
mail: carribeiro at yahoo.com