Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #27220

Re: set and dict iteration

From Paul Rubin <no.email@nospam.invalid>
Newsgroups comp.lang.python
Subject Re: set and dict iteration
References <b8dd3aca-2a87-4124-ad6e-66a8720af99a@googlegroups.com> <mailman.3389.1345146609.4697.python-list@python.org> <7xy5le7cli.fsf@ruckus.brouhaha.com> <mailman.3404.1345158704.4697.python-list@python.org> <502dab6c$0$29978$c3e8da3$5496439d@news.astraweb.com>
Date 2012-08-16 19:30 -0700
Message-ID <7xboiadzcd.fsf@ruckus.brouhaha.com> (permalink)
Organization Nightsong/Fort GNOX

Show all headers | View raw

Steven D'Aprano <steve+comp.lang.python@pearwood.info> writes:
> Luckily, Python is open source. If anyone thinks that sets and dicts 
> should include more code protecting against mutation-during-iteration, 
> they are more than welcome to come up with a patch. Don't forget unit and 
> regression tests, and also a set of timing results which show that the 
> slow-down isn't excessive.

It could be a debugging option, in which case even a fairly significant
slowdown is acceptable.

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-16 11:00 -0700
  Re: set and dict iteration Dave Angel <d@davea.name> - 2012-08-16 15:49 -0400
    Re: set and dict iteration Paul Rubin <no.email@nospam.invalid> - 2012-08-16 14:26 -0700
      Re: set and dict iteration Dave Angel <davea@dejaviewphoto.com> - 2012-08-16 19:11 -0400
        Re: set and dict iteration Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-17 02:24 +0000
          Re: set and dict iteration Paul Rubin <no.email@nospam.invalid> - 2012-08-16 19:30 -0700
            Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-17 11:11 -0700
          Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-17 11:37 -0700
            Re: set and dict iteration Chris Angelico <rosuav@gmail.com> - 2012-08-18 07:57 +1000
              Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-18 13:29 -0700
              Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-18 13:29 -0700
                Re: set and dict iteration MRAB <python@mrabarnett.plus.com> - 2012-08-18 23:14 +0100
                Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-18 19:28 -0700
                Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-23 09:49 -0700
                Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-23 09:49 -0700
                Re: set and dict iteration Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-23 18:11 +0000
                Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-18 19:28 -0700
      Re: set and dict iteration Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-16 17:43 -0600
        Re: set and dict iteration Paul Rubin <no.email@nospam.invalid> - 2012-08-16 18:01 -0700
          Re: set and dict iteration Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-08-17 13:16 +0200
          Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-17 11:03 -0700
  Re: set and dict iteration Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-16 16:55 -0600
  Re: set and dict iteration Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-16 17:07 -0600
    Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-17 10:47 -0700
    Re: set and dict iteration Aaron Brady <castironpi@gmail.com> - 2012-08-17 10:47 -0700

csiph-web