Path: csiph.com!usenet.pasdenom.info!news.redatomik.org!newsfeed.xs4all.nl!newsfeed8.news.xs4all.nl!news.tele.dk!news.tele.dk!small.news.tele.dk!newsgate.cistron.nl!newsgate.news.xs4all.nl!nzpost1.xs4all.net!not-for-mail
Return-Path: <srkunze@mail.de>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.011
X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'broken': 0.03; 'assignment': 0.07; '(1,': 0.09; 'tuple': 0.09; 'thread': 0.10; '(2,': 0.16; '2)]': 0.16; 'parts.': 0.16; 'rhs': 0.16; 'wrote:': 0.16; 'case.': 0.18; 'affected': 0.22; "haven't": 0.24; 'header :In-Reply-To:1': 0.24; 'header:User-Agent:1': 0.26; 'example': 0.26; 'right.': 0.27; 'code': 0.30; 'post': 0.31; 'another': 0.32; 'received:10.0': 0.34; 'so,': 0.35; 'best,': 0.35; 'happened': 0.35; 'to:addr:python-list': 0.36; 'subject:: ': 0.37; 'received:10': 0.37; 'sure': 0.39; 'to:addr:python.org': 0.40; 'received:de': 0.40; 'behavior': 0.61; 'side': 0.62; 'here.': 0.62; 'charset:windows-1252': 0.62; 'different': 0.63; 'sample': 0.63
Date: Fri, 04 Sep 2015 16:25:12 +0200
From: "Sven R. Kunze" <srkunze@mail.de>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0
MIME-Version: 1.0
To: python-list@python.org
Subject: Re: packing unpacking depends on order.
References: <55E6C904.3020602@rece.vub.ac.be> <CAGuvt90dWASEjj=_GiZb4jqV4CDF+qqFLH4VS5m_qhUMx6jbJg@mail.gmail.com> <55E73159.4050508@mail.de> <1441243045.413788.373350650.5DF79DE2@webmail.messagingengine.com> <55E8D6D4.20209@mail.de> <1441337800.230412.374445465.16C12305@webmail.messagingengine.com>
In-Reply-To: <1441337800.230412.374445465.16C12305@webmail.messagingengine.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
X-purgate: clean
X-purgate: This mail is considered clean (visit http://www.eleven.de for further information)
X-purgate-type: clean
X-purgate-Ad: Categorized by eleven eXpurgate (R) http://www.eleven.de
X-purgate: This mail is considered clean (visit http://www.eleven.de for further information)
X-purgate: clean
X-purgate-size: 640
X-purgate-ID: 154282::1441376714-00000778-07EA63F9/0/0
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.20+
Precedence: list
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive: <http://mail.python.org/pipermail/python-list/>
List-Post: <mailto:python-list@python.org>
List-Help: <mailto:python-list-request@python.org?subject=help>
List-Subscribe: <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups: comp.lang.python
Message-ID: <mailman.138.1441376718.8327.python-list@python.org>
Lines: 15
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1441376718 news.xs4all.nl 23868 [2001:888:2000:d::a6]:32884
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:96023

On 04.09.2015 05:36, random832@fastmail.us wrote:
> You haven't demonstrated that the RHS is affected by anything. The 
> sample code in the original post of this thread behaves identically if 
> the RHS is a simple tuple of (2, 1) [or (1, 2)] respectively. If you 
> have another sample that shows different behavior please post it. 

You are right. I was reconstructing the example and see what exactly 
happened here. Not sure what made me think the assignment would be 
broken up into its parts. That's definitely not the case.

So, everything is fine. Side-effects happening on either side are 
unavoidable.

Best,
Sven