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Re: Is there a canonical way to check whether an iterable is ordered?

References (2 earlier) <roy-E21095.08580518092014@news.panix.com> <mailman.14103.1411047208.18130.python-list@python.org> <roy-7E9ED1.19515818092014@news.panix.com> <CAPTjJmqVLtvx0495NF2BA8tFffHZpqEcvDkRV35zFX-Yu=DWbQ@mail.gmail.com> <lvi978$civ$1@ger.gmane.org>
Date 2014-09-20 15:01 +1000
Subject Re: Is there a canonical way to check whether an iterable is ordered?
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.14161.1411189295.18130.python-list@python.org> (permalink)

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On Sat, Sep 20, 2014 at 8:02 AM, Terry Reedy <tjreedy@udel.edu> wrote:
>> That's what you're iterating over - not the bag itself.
>
> If one iterates over anything other that a sequence, in forward order, then
> one is, in effect, iterating over a new sequence generated from the 'base'
> collection.  In particular, set and dict iteration iterates over an
> arbitrary serialization of the set or dict.

Yeah, that's basically what I was trying to say. Didn't realize how
empty the statement was till you dug deeper into it, heh. Yes, an
iterator yields the items it yields, in the order it yields them...
*twiddles thumbs*

ChrisA

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Thread

Is there a canonical way to check whether an iterable is ordered? cool-RR <ram.rachum@gmail.com> - 2014-09-18 04:55 -0700
  Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-18 22:10 +1000
    Re: Is there a canonical way to check whether an iterable is ordered? Roy Smith <roy@panix.com> - 2014-09-18 08:58 -0400
      Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-18 23:33 +1000
        Re: Is there a canonical way to check whether an iterable is ordered? Roy Smith <roy@panix.com> - 2014-09-18 19:52 -0400
          Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-19 12:45 +1000
          Re: Is there a canonical way to check whether an iterable is ordered? Terry Reedy <tjreedy@udel.edu> - 2014-09-19 18:02 -0400
          Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-20 15:01 +1000
      Re: Is there a canonical way to check whether an iterable is ordered? Terry Reedy <tjreedy@udel.edu> - 2014-09-18 09:46 -0400
      Re: Is there a canonical way to check whether an iterable is ordered? Tim Chase <python.list@tim.thechases.com> - 2014-09-18 09:32 -0500
      Re: Is there a canonical way to check whether an iterable is ordered? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-09-19 15:15 +1000
        Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-19 15:40 +1000
          Re: Is there a canonical way to check whether an iterable is ordered? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-09-19 20:59 +1000
            Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-19 21:19 +1000
              Re: Is there a canonical way to check whether an iterable is ordered? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-09-19 21:58 +1000
                Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-19 22:06 +1000
            Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-19 21:25 +1000
              Re: Is there a canonical way to check whether an iterable is ordered? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-09-19 21:46 +1000
                Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-19 21:56 +1000
                Re: Is there a canonical way to check whether an iterable is ordered? alister <alister.nospam.ware@ntlworld.com> - 2014-09-19 12:26 +0000
                Re: Is there a canonical way to check whether an iterable is ordered? Chris Angelico <rosuav@gmail.com> - 2014-09-19 22:36 +1000
  Re: Is there a canonical way to check whether an iterable is ordered? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-09-19 15:04 +1000

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