Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'from:addr:python': 0.09; 'none)': 0.09; 'run.': 0.09; 'def': 0.14; 'this:': 0.15; '(functions': 0.16; 'arg2,': 0.16; 'bieber': 0.16; 'declaimed': 0.16; 'from:addr:mrabarnett.plus.com': 0.16; 'from:name:mrab': 0.16; 'message-id:@mrabarnett.plus.com': 0.16; 'pythonic': 0.16; 'received:84.92': 0.16; 'received:84.92.122': 0.16; 'received:84.92.122.60': 0.16; 'received:84.93': 0.16; 'received:84.93.230': 0.16; 'reply-to:addr:python-list': 0.16; 'subject:pass': 0.16; "wouldn't": 0.16; 'wrote:': 0.18; 'trying': 0.21; 'process,': 0.21; 'dropped': 0.23; 'name?': 0.23; 'header :In-Reply-To:1': 0.23; 'times,': 0.24; 'code': 0.25; 'statement': 0.25; "i'm": 0.26; 'function': 0.27; 'lee': 0.28; 'pass': 0.28; 'explicit': 0.28; 'looks': 0.28; 'implicitly': 0.30; 'none,': 0.30; 'equivalent': 0.30; 'subject:?': 0.31; "i'll": 0.31; 'nov': 0.31; 'thu,': 0.32; 'to:addr:python-list': 0.32; 'header:User- Agent:1': 0.33; 'received:84': 0.34; 'reply-to:addr:python.org': 0.34; 'subject:What': 0.34; 'which,': 0.34; 'none': 0.36; 'progress': 0.39; 'subject:: ': 0.39; 'might': 0.39; 'to:addr:python.org': 0.39; 'skip:_ 10': 0.40; 'being': 0.40; 'skip:l 20': 0.40; 'more': 0.60; 'john': 0.62; '2011': 0.62; 'header:Reply-To:1': 0.70; 'reply-to:no real name:2**0': 0.71; 'dennis': 0.77; '-0800': 0.84; 'subject:should': 0.84 X-CM-Score: 0.00 X-CNFS-Analysis: v=2.0 cv=Pfh9d1dd c=1 sm=1 a=0nF1XD0wxitMEM03M9B4ZQ==:17 a=9jsOeB20M3cA:10 a=kSBkHLp2fS8A:10 a=OUOv7kDek9cA:10 a=8nJEP1OIZ-IA:10 a=cPkqpWC4AAAA:8 a=qDypH7ppUJfhDJ9dsfkA:9 a=wPNLvfGTeEIA:10 a=j8cdLw6X6zAA:10 a=0nF1XD0wxitMEM03M9B4ZQ==:117 X-AUTH: mrabarnett:2500 Date: Fri, 18 Nov 2011 13:03:28 +0000 From: MRAB User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: python-list@python.org Subject: Re: What exactly is "pass"? What should it be? References: <27955957.352.1321582691251.JavaMail.geo-discussion-forums@prap37> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: python-list@python.org List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 27 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1321621390 news.xs4all.nl 6869 [2001:888:2000:d::a6]:60502 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:15885 On 18/11/2011 04:34, Dennis Lee Bieber wrote: > On Thu, 17 Nov 2011 18:18:11 -0800 (PST), John Ladasky > declaimed the following in > gmane.comp.python.general: > >> I'm trying to write tidy, modular code which includes a long-running process. From time to time I MIGHT like to check in on the progress being made by that long-running process, in various ways. Other times, I'll just want to let it run. So I have a section of code which, generally, looks like this: >> >> def _pass(*args): >> pass >> > This is the equivalent of > > def _pass(*args): > return None > Wouldn't "pass_" be a more Pythonic name? > (functions with no explicit return statement implicitly return None) > >> def long_running_process(arg1, arg2, arg_etc, report = _pass): >> result1 = do_stuff() >> report(result1) > > So this is a call to a function that just returns a None, which is > dropped by the interpreter... >