Re: conditional running of code portion

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From	Dieter Maurer <dieter@handshake.de>
Subject	Re: conditional running of code portion
Date	Mon, 06 Aug 2012 19:02:24 +0200
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Serhiy Storchaka <storchaka@gmail.com> writes:

> On 05.08.12 09:30, Steven D'Aprano wrote:
>> If you are working in a tight loop, you can do this:
>>
>> if VERBOSE_FLAG:
>>      for item in loop:
>>          print(DEBUG_INFORMATION)
>>          do_actual_work(item)
>> else:
>>      for item in loop:
>>          do_actual_work(item)
>
> Or this:
>
> if VERBOSE_FLAG:
>     def do_work(item):
>         print(DEBUG_INFORMATION)
>         do_actual_work(item)
> else:
>     do_work = do_actual_work
>
> for item in loop:
>     do_work(item)

Be warned: a function call is *much* more expensive than an
"if variable:".

Thread

conditional running of code portion JW Huang <ngcbmy@gmail.com> - 2012-08-04 21:16 -0700
  Re: conditional running of code portion Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-05 06:30 +0000
    Re: conditional running of code portion Serhiy Storchaka <storchaka@gmail.com> - 2012-08-05 19:40 +0300
    Re: conditional running of code portion Dieter Maurer <dieter@handshake.de> - 2012-08-06 19:02 +0200
    Re: conditional running of code portion Serhiy Storchaka <storchaka@gmail.com> - 2012-08-06 23:59 +0300
  Re: conditional running of code portion "Steven W. Orr" <steveo@syslang.net> - 2012-08-05 22:50 -0400

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