Re: What exactly is "pass"? What should it be?

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From	Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject	Re: What exactly is "pass"? What should it be?
Date	Thu, 17 Nov 2011 20:34:22 -0800
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On Thu, 17 Nov 2011 18:18:11 -0800 (PST), John Ladasky
<ladasky@my-deja.com> 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

(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...

-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
        wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/

Thread

What exactly is "pass"?  What should it be? John Ladasky <ladasky@my-deja.com> - 2011-11-17 18:18 -0800
  Re: What exactly is "pass"? What should it be? Chris Rebert <clp2@rebertia.com> - 2011-11-17 18:45 -0800
    Re: What exactly is "pass"? What should it be? John Ladasky <ladasky@my-deja.com> - 2011-11-17 21:03 -0800
    Re: What exactly is "pass"? What should it be? John Ladasky <ladasky@my-deja.com> - 2011-11-17 21:03 -0800
  Re: What exactly is "pass"? What should it be? Chris Angelico <rosuav@gmail.com> - 2011-11-18 13:59 +1100
    Re: What exactly is "pass"? What should it be? alex23 <wuwei23@gmail.com> - 2011-11-17 22:04 -0800
  Re: What exactly is "pass"? What should it be? Dominic Binks <dbinks@codeaurora.org> - 2011-11-17 19:01 -0800
  Re: What exactly is "pass"?  What should it be? Ben Finney <ben+python@benfinney.id.au> - 2011-11-18 14:45 +1100
  Re: What exactly is "pass"?  What should it be? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2011-11-17 20:34 -0800
    Re: What exactly is "pass"?  What should it be? John Ladasky <ladasky@my-deja.com> - 2011-11-17 21:07 -0800
      Re: What exactly is "pass"? What should it be? Chris Angelico <rosuav@gmail.com> - 2011-11-18 16:34 +1100
      Re: What exactly is "pass"? What should it be? Chris Rebert <clp2@rebertia.com> - 2011-11-17 21:49 -0800
      Re: What exactly is "pass"?  What should it be? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-11-18 06:07 +0000
    Re: What exactly is "pass"?  What should it be? John Ladasky <ladasky@my-deja.com> - 2011-11-17 21:07 -0800
    Re: What exactly is "pass"?  What should it be? Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2011-11-18 10:57 +0100
  Re: What exactly is "pass"?  What should it be? MRAB <python@mrabarnett.plus.com> - 2011-11-18 13:03 +0000

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