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Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty

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From Peter Otten <__peter__@web.de>
Subject Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty
Date Fri, 24 Feb 2012 16:16:42 +0100
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Steven D'Aprano wrote:

>> The code in the else suite executes only when the for loop is left via
>> break. A non-empty iterable is required but not sufficient.
> 
> You have a typo there. As your examples show, the code in the else suite
> executes only when the for loop is NOT left via break (or return, or an
> exception). The else suite executes regardless of whether the iterable is
> empty or not.

Yup, sorry for the confusion.

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A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Alex Willmer <alex@moreati.org.uk> - 2012-02-23 16:30 -0800
  Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-02-24 01:08 +0000
    Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Ethan Furman <ethan@stoneleaf.us> - 2012-02-23 19:49 -0800
    Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-02-24 07:10 +0000
    Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Peter Otten <__peter__@web.de> - 2012-02-24 09:44 +0100
  Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Paul Rubin <no.email@nospam.invalid> - 2012-02-23 17:21 -0800
  Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Rick Johnson <rantingrickjohnson@gmail.com> - 2012-02-24 04:32 -0800
    Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Peter Otten <__peter__@web.de> - 2012-02-24 13:44 +0100
      Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Peter Otten <__peter__@web.de> - 2012-02-24 14:14 +0100
      Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-02-24 14:54 +0000
        Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Arnaud Delobelle <arnodel@gmail.com> - 2012-02-24 15:00 +0000
        Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Peter Otten <__peter__@web.de> - 2012-02-24 16:16 +0100
        Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Rick Johnson <rantingrickjohnson@gmail.com> - 2012-02-28 14:56 -0800
          Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Chris Angelico <rosuav@gmail.com> - 2012-02-29 10:24 +1100
            Re: A quirk/gotcha of for i, x in enumerate(seq) when seq is empty Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-02-29 00:18 +0000

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