Re: dictionary size changed during iteration

From	Paul Rubin <no.email@nospam.invalid>
Newsgroups	comp.lang.python
Subject	Re: dictionary size changed during iteration
References	(1 earlier) <mailman.644.1303306435.9059.python-list@python.org> <roy-FE896A.09154622042011@news.panix.com> <7xd3jukyn9.fsf@ruckus.brouhaha.com> <roy-4A30FD.18122007052011@news.panix.com> <4dc6f077$0$41117$e4fe514c@news.xs4all.nl>
Date	2011-05-08 12:42 -0700
Message-ID	<7xhb952d40.fsf@ruckus.brouhaha.com> (permalink)
Organization	Nightsong/Fort GNOX

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Hans Mulder <hansmu@xs4all.nl> writes:
> How about:
> 	changes = filter(is_bad, d)
> Or would that be too compact?

I thought of writing something like that but filter in python 3 creates
an iterator that would have the same issue of walking the dictionary
while the dictionary is mutating.

    changes = list(filter(is_bad, d))

should work.

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Re: dictionary size changed during iteration Peter Otten <__peter__@web.de> - 2011-04-20 15:33 +0200
  Re: dictionary size changed during iteration Roy Smith <roy@panix.com> - 2011-04-22 09:15 -0400
    Re: dictionary size changed during iteration Laszlo Nagy <gandalf@shopzeus.com> - 2011-05-06 18:21 +0200
    Re: dictionary size changed during iteration Paul Rubin <no.email@nospam.invalid> - 2011-05-07 14:07 -0700
      Re: dictionary size changed during iteration Roy Smith <roy@panix.com> - 2011-05-07 18:12 -0400
        Re: dictionary size changed during iteration Hans Mulder <hansmu@xs4all.nl> - 2011-05-08 21:32 +0200
          Re: dictionary size changed during iteration Paul Rubin <no.email@nospam.invalid> - 2011-05-08 12:42 -0700

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