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Groups > comp.lang.python > #27171

Re: type(None)()

From Stefan Behnel <stefan_ml@behnel.de>
Subject Re: type(None)()
Date 2012-08-16 17:31 +0200
References <502cebf4$0$6905$e4fe514c@news2.news.xs4all.nl> <502cfc78$0$29978$c3e8da3$5496439d@news.astraweb.com>
Newsgroups comp.lang.python
Message-ID <mailman.3369.1345131098.4697.python-list@python.org> (permalink)

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Steven D'Aprano, 16.08.2012 15:58:
>>> NoneType raises an error if you try to create a second instance.
> In my opinion, this is a PITA for None and better behaviour would be to 
> return the pre-existing NoneType instance, but I didn't design the 
> language.

The time machine strikes again.

Python 3.3.0b1 (default:f7b59e890e30, Aug 11 2012, 05:30:10)
[GCC 4.6.3] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> type(None)()
>>> print(type(None)())
None

Stefan

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Thread

type(None)() Hans Mulder <hansmu@xs4all.nl> - 2012-08-16 14:47 +0200
  Re: type(None)() Laszlo Nagy <gandalf@shopzeus.com> - 2012-08-16 14:54 +0200
  Re: type(None)() Chris Angelico <rosuav@gmail.com> - 2012-08-16 23:37 +1000
  Re: type(None)() Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-16 07:56 -0600
  Re: type(None)() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-16 13:58 +0000
    Re: type(None)() Stefan Behnel <stefan_ml@behnel.de> - 2012-08-16 17:31 +0200
    Re: type(None)() Stefan Behnel <stefan_ml@behnel.de> - 2012-08-16 17:44 +0200
    Re: type(None)() Ethan Furman <ethan@stoneleaf.us> - 2012-08-16 09:06 -0700
  Re: type(None)() Robert Kern <robert.kern@gmail.com> - 2012-08-16 15:56 +0100
  Re: type(None)() MRAB <python@mrabarnett.plus.com> - 2012-08-16 16:13 +0100
  Re: type(None)() Ethan Furman <ethan@stoneleaf.us> - 2012-08-16 09:07 -0700

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