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Re: Python 3: dict & dict.keys()

References <51EF2AD8.3080105@stoneleaf.us> <ksnrr9$k4t$1@ger.gmane.org> <CAHVvXxQGCFJe7ud+mwh4zhnq5F7xvHJX1pCtGCjMaFtjBwY=iQ@mail.gmail.com> <mailman.5049.1374682931.3114.python-list@python.org> <51f0bc34$0$29971$c3e8da3$5496439d@news.astraweb.com>
Date 2013-07-25 16:02 +1000
Subject Re: Python 3: dict & dict.keys()
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.5081.1374732171.3114.python-list@python.org> (permalink)

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On Thu, Jul 25, 2013 at 3:48 PM, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
> Dicts aren't sets, and don't support set methods:
>
> py> d1 - d2
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> TypeError: unsupported operand type(s) for -: 'dict' and 'dict'

I wouldn't take this as particularly significant, though. A future
version of Python could add that support (and it might well be very
useful), without breaking any of the effects of views.

ChrisA

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Thread

Re: Python 3: dict & dict.keys() Ethan Furman <ethan@stoneleaf.us> - 2013-07-24 08:57 -0700
  Re: Python 3: dict & dict.keys() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-25 05:48 +0000
    Re: Python 3: dict & dict.keys() Chris Angelico <rosuav@gmail.com> - 2013-07-25 16:02 +1000
      Re: Python 3: dict & dict.keys() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-25 07:27 +0000
        Re: Python 3: dict & dict.keys() Chris Angelico <rosuav@gmail.com> - 2013-07-25 18:15 +1000
          Re: Python 3: dict & dict.keys() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-25 09:44 +0000
            Re: Python 3: dict & dict.keys() Chris Angelico <rosuav@gmail.com> - 2013-07-25 20:34 +1000
              Re: Python 3: dict & dict.keys() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-25 14:57 +0000
                Re: Python 3: dict & dict.keys() Chris Angelico <rosuav@gmail.com> - 2013-07-26 01:07 +1000
    Re: Python 3: dict & dict.keys() Johannes Bauer <dfnsonfsduifb@gmx.de> - 2013-07-25 15:22 +0200
    Re: Python 3: dict & dict.keys() Ethan Furman <ethan@stoneleaf.us> - 2013-07-25 06:57 -0700

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