Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #87796

__iadd__ with 2 args?

Path csiph.com!usenet.pasdenom.info!news.redatomik.org!newsfeed.xs4all.nl!newsfeed1a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!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 0.013
X-Spam-Evidence '*H*': 0.97; '*S*': 0.00; 'args': 0.07; '(self,': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'args:': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'seems': 0.21; 'header:User-Agent:1': 0.23; 'received:comcast.net': 0.24; 'header:X-Complaints-To:1': 0.27; 'idea': 0.28; 'way?': 0.31; 'could': 0.34; 'subject:with': 0.35; 'but': 0.35; 'subject:?': 0.36; 'should': 0.36; 'received:76': 0.38; 'to:addr:python-list': 0.38; 'that,': 0.38; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'results': 0.69; 'repeat': 0.74; 'abandon': 0.84
X-Injected-Via-Gmane http://gmane.org/
To python-list@python.org
From Neal Becker <ndbecker2@gmail.com>
Subject __iadd__ with 2 args?
Date Fri, 20 Mar 2015 17:25:59 -0400
Mime-Version 1.0
Content-Type text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding 7Bit
X-Gmane-NNTP-Posting-Host c-76-100-231-95.hsd1.md.comcast.net
User-Agent KNode/4.14.4
X-BeenThere python-list@python.org
X-Mailman-Version 2.1.19
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.47.1426886781.10327.python-list@python.org> (permalink)
Lines 25
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1426886781 news.xs4all.nl 2970 [2001:888:2000:d::a6]:48624
X-Complaints-To abuse@xs4all.nl
Xref csiph.com comp.lang.python:87796

Show key headers only | View raw


I can write a member 

F.__iadd__ (self, *args)

and then call it with 2 args:

f = F()
f.__iadd__ (a, b)

And then args is:
(a, b)

But it seems impossible to spell this as

f += a, b

That, instead, results in 

args = ((a, b),)

So should I just abandon the idea that += could be used this way?

-- 
Those who fail to understand recursion are doomed to repeat it

Back to comp.lang.python | Previous | NextNext in thread | Find similar | Unroll thread


Thread

__iadd__ with 2 args? Neal Becker <ndbecker2@gmail.com> - 2015-03-20 17:25 -0400
  Re: __iadd__ with 2 args? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-03-21 16:37 +1100

csiph-web