Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path: <python-python-list@m.gmane.org>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.001
X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; '*is*': 0.09; 'parsing': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:80.91.229.12': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'received:lo.gmane.org': 0.09; 'pm,': 0.11; '>>>': 0.12; 'am,': 0.14; 'wrote:': 0.14; '*always*': 0.16; 'benefit.': 0.16; 'defending': 0.16; 'expr': 0.16; 'gave.': 0.16; 'guys.': 0.16; 'none"': 0.16; 'statements.': 0.16; 'terminates': 0.16; 'meant': 0.18; 'call.': 0.19; 'true,': 0.19; 'tue,': 0.20; 'language': 0.20; 'header:In-Reply-To:1': 0.22; 'pointed': 0.25; 'subject: -- ': 0.25; 'equivalent': 0.26; 'statement': 0.26; "i'm": 0.26; 'function': 0.27; "doesn't": 0.28; 'definition': 0.29; 'nobody': 0.29; 'translation': 0.29; 'view,': 0.29; 'assuming': 0.29; 'seem': 0.30; 'this.': 0.30; 'solved': 0.31; 'whereas': 0.31; 'to:addr:python-list': 0.32; 'agree': 0.32; 'expression': 0.33; 'sufficient': 0.33; 'header:X-Complaints- To:1': 0.34; 'actually': 0.34; 'starting': 0.34; 'difference': 0.35; 'suggestion': 0.35; 'header:User-Agent:1': 0.35; 'suggested': 0.35; 'considered': 0.36; 'should': 0.37; 'apr': 0.38; 'but': 0.38; 'received:org': 0.38; 'to:addr:python.org': 0.39; 'header:Mime-Version:1': 0.39; 'add': 0.39; 'would': 0.40; 'header:Received:5': 0.40; '2011': 0.62; 'property': 0.62; 'making': 0.62; 'become': 0.70; 'hand,': 0.72; '06:55': 0.84; 'complexity': 0.93
X-Injected-Via-Gmane: http://gmane.org/
To: python-list@python.org
From: "Colin J. Williams" <cjw@ncf.ca>
Subject: Re: Feature suggestion -- return if true
Date: Tue, 12 Apr 2011 10:01:45 -0400
References: <8abff237-5ccd-4eb6-85c8-cdc9e87520b7@bl1g2000vbb.googlegroups.com>	<mailman.233.1302568099.9059.python-list@python.org>	<io0apf$2os$1@reader1.panix.com>	<BANLkTikLxhshYfANu+cGO6hO00DMPw9P0w@mail.gmail.com>	<BANLkTim+JcVt3iT6Xw4XwnvCX-Rirw9rog@mail.gmail.com>	<BANLkTikvHLhzDJq==_y2L4QZy=FePr7apA@mail.gmail.com>	<BANLkTinTcYtJ5o3+3=8UKbA1htAf2aQ94w@mail.gmail.com>	<mailman.244.1302577326.9059.python-list@python.org>	<pan.2011.04.12.06.07.48.657000@nowhere.com>	<mailman.249.1302589325.9059.python-list@python.org> <0169e388-9bf8-4d21-b534-d8f71d96aa85@k30g2000yqb.googlegroups.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Gmane-NNTP-Posting-Host: 69-196-161-193.dsl.teksavvy.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.2.15) Gecko/20110303 Thunderbird/3.1.9
In-Reply-To: <0169e388-9bf8-4d21-b534-d8f71d96aa85@k30g2000yqb.googlegroups.com>
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <http://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: <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups: comp.lang.python
Message-ID: <mailman.258.1302616934.9059.python-list@python.org>
Lines: 38
NNTP-Posting-Host: 82.94.164.166
X-Trace: 1302616934 news.xs4all.nl 81473 [::ffff:82.94.164.166]:38827
X-Complaints-To: abuse@xs4all.nl
Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:3049

On 12-Apr-11 06:55 AM, scattered wrote:
> On Apr 12, 2:21 am, James Mills<prolo...@shortcircuit.net.au>  wrote:
>> On Tue, Apr 12, 2011 at 4:08 PM, Nobody<nob...@nowhere.com>  wrote:
>>> It should be abundantly clear that this only returns if the expression is
>>> considered true, otherwise it continues on to the following statements.
>>
>> Uggh come on guys. We've been over this.
>> You cannot make that assumption.
>>
>> cheers
>> James
>>
>> --
>> -- James Mills
>> --
>> -- "Problems are solved by method"
>
> I'm puzzled as to why you seem to be parsing the OP's statements
> different from everybody else. The only assumption that people other
> than you seem to be making is that they are assuming that the OP meant
> what he said. He *gave* a definition of what he meant by return? and
> the definition he actually gave has the property that it terminates
> the function only when the condition is true, whereas your suggested
> translation *always* terminates the function call. I agree with
> "Nobody" that the OP's intention was "abundantly clear". Your "return
> expr or None" suggestion was not an unreasonable try - but it doesn't
> provide something which is equivalent to what the OP gave. On the
> other hand, your persistence in defending your original statement as a
> plausible translation of return? after the difference has been pointed
> out by various posters *is* starting to become unreasonable.

In my view, the suggestion would add complexity to the language without 
sufficient benefit.

Colin W.