Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!newsfeed.eweka.nl!feeder3.eweka.nl!81.171.88.16.MISMATCH!eweka.nl!hq-usenetpeers.eweka.nl!193.201.147.88.MISMATCH!feeder2.cambriumusenet.nl!feed.tweaknews.nl!194.134.4.91.MISMATCH!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path: <ian.g.kelly@gmail.com>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.010
X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'operator': 0.05; '>>>>': 0.09; 'bind': 0.09; 'prevents': 0.09; 'am,': 0.12; '"right"': 0.16; 'later).': 0.16; 'parentheses': 0.16; 'unary': 0.16; 'cc:addr:python-list': 0.16; 'syntax': 0.16; 'wrote:': 0.16; 'wed,': 0.17; 'cc:no real name:2**0': 0.20; 'trying': 0.21; '(i.e.,': 0.21; 'cc:2**0': 0.22; 'header:In-Reply-To:1': 0.22; 'aug': 0.24; 'demonstrate': 0.25; 'guess': 0.26; "i'm": 0.27; 'putting': 0.28; 'problem': 0.28; 'message-id:@mail.gmail.com': 0.29; 'cc:addr:python.org': 0.30; 'binding': 0.30; 'operand': 0.30; 'least': 0.31; 'received:209.85.161.46': 0.31; 'received :mail-fx0-f46.google.com': 0.31; 'chris': 0.32; 'error.': 0.32; 'does': 0.32; 'that,': 0.33; '...': 0.34; 'received:209.85.161': 0.35; 'certain': 0.35; 'but': 0.37; 'steven': 0.38; 'received:google.com': 0.38; 'received:209.85': 0.38; 'subject:: ': 0.39; 'here.': 0.66; 'cause': 0.67; 'legal': 0.70; 'subject:line': 0.73; 'so:': 0.84; '(42': 0.91; 'about,': 0.91
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; bh=gLVmiHxIqpPT6qVM2Nll290TcDVLUr2D+xGJf0LF+8w=; b=GNJytwvwJfnTBUGLP2JMJqEKaefP5HodtvqZNiMzL2cGedvZmeZqIAyCbcc6YluI0q tCYL7Qc1fKJ/Yqtk3Oq+RoAUjCIVQH8+JPQie7oFJtj0S/w/8a3oSUpDvxh49uq8D8Te Mr5QpktCqdli1/poEwO35vAydcCY3SPAOMYyU=
MIME-Version: 1.0
In-Reply-To: <4e4297be$0$29993$c3e8da3$5496439d@news.astraweb.com>
References: <1312951356.77394.YahooMailNeo@web121518.mail.ne1.yahoo.com> <CAMZYqRRh-kSoSjywrQH=jkeysPRwms6O376dPOyTqkZtdgG_jQ@mail.gmail.com> <mailman.2085.1312956463.1164.python-list@python.org> <4e424208$0$29965$c3e8da3$5496439d@news.astraweb.com> <pan.2011.08.10.09.56.19@tombstonezero.net> <mailman.2096.1312971973.1164.python-list@python.org> <4e4297be$0$29993$c3e8da3$5496439d@news.astraweb.com>
From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Wed, 10 Aug 2011 09:16:58 -0600
Subject: Re: allow line break at operators
To: "Steven D'Aprano" <steve+comp.lang.python@pearwood.info>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Cc: python-list@python.org
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.2116.1312989610.1164.python-list@python.org>
Lines: 20
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1312989610 news.xs4all.nl 23964 [2001:888:2000:d::a6]:54875
X-Complaints-To: abuse@xs4all.nl
Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:11134

On Wed, Aug 10, 2011 at 8:37 AM, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
>> Without the parentheses, this is legal but (probably) useless; it
>> applies the unary + operator to the return value of those functions.
>> Putting the + at the end of the previous line at least prevents that,
>> since most unary operators bind to the operand on the right;
>
> Not so:
>
>>>> x =3D (42 + -
> ... =A0 =A0 100)
>>>>
>>>> x
> -58

That is still binding to the operand on the "right" (i.e., the
sequentially later).  And it still does not cause the problem that
Chris was talking about, since without the parentheses that would be a
syntax error.  So I guess I'm not certain what exactly it is that
you're trying to demonstrate here.