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Groups > comp.lang.python > #26638
| From | Dieter Maurer <dieter@handshake.de> |
|---|---|
| Subject | Re: conditional running of code portion |
| Date | 2012-08-06 19:02 +0200 |
| References | <0a61aed2-bd14-4022-bf59-a3bb3af55b3c@sn4g2000pbc.googlegroups.com> <501e1319$0$29978$c3e8da3$5496439d@news.astraweb.com> <jvm7ma$kdf$1@dough.gmane.org> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.3019.1344272562.4697.python-list@python.org> (permalink) |
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:".
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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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