Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.python > #19053
| Path | csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail |
|---|---|
| Return-Path | <rosuav@gmail.com> |
| X-Original-To | python-list@python.org |
| Delivered-To | python-list@mail.python.org |
| X-Spam-Status | OK 0.002 |
| X-Spam-Evidence | '*H*': 1.00; '*S*': 0.00; 'python': 0.08; 'design?': 0.09; 'subject:None': 0.09; 'types:': 0.09; 'exception': 0.12; 'received:209.85.210.174': 0.13; 'received:mail- iy0-f174.google.com': 0.13; '(none': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'rationale': 0.16; 'xavier': 0.16; 'wrote:': 0.16; '>>>': 0.18; 'jan': 0.19; 'header :In-Reply-To:1': 0.22; 'tests': 0.25; 'pm,': 0.26; 'compare': 0.28; 'message-id:@mail.gmail.com': 0.28; 'typeerror:': 0.30; 'tue,': 0.32; 'to:addr:python-list': 0.33; '17,': 0.34; 'received:google.com': 0.37; 'received:209.85': 0.38; 'skip:\xa0 10': 0.38; 'received:209': 0.39; 'expected': 0.39; 'subject:: ': 0.39; 'to:addr:python.org': 0.40 |
| DKIM-Signature | v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=+5NtKJM+Mg0CT2JN2BxztTWDeCPCbDRfyqKZuw8jWq4=; b=BpfAt5xQ4hMhYbsaNr9qiTzhUpKaidEDl++cPdB5dtRMP4+5BqHFFQ8gSHtPqg/oqW TUMEBeJUK9aaP6si8wUWu+rJY80nRf9CEDJAwtj5LA55YGPFFAFFH9dwdeFcjK5Qx0Bh q30q8/PkJGas6TGomZ930edcbBdAQYBGsnw9I= |
| MIME-Version | 1.0 |
| In-Reply-To | <CALWePYyZ85Kbi=0d-ok2j1UPfaWDPi=p-6kkdrJLdmMM+9=xwQ@mail.gmail.com> |
| References | <CALWePYyZ85Kbi=0d-ok2j1UPfaWDPi=p-6kkdrJLdmMM+9=xwQ@mail.gmail.com> |
| Date | Tue, 17 Jan 2012 17:50:43 +1100 |
| Subject | Re: Comparing None and ints |
| From | Chris Angelico <rosuav@gmail.com> |
| To | python-list@python.org |
| Content-Type | text/plain; charset=ISO-8859-1 |
| Content-Transfer-Encoding | quoted-printable |
| X-BeenThere | python-list@python.org |
| X-Mailman-Version | 2.1.12 |
| Precedence | list |
| List-Id | General discussion list for the Python programming language <python-list.python.org> |
| List-Unsubscribe | <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe> |
| List-Archive | <http://mail.python.org/pipermail/python-list> |
| List-Post | <mailto:python-list@python.org> |
| List-Help | <mailto:python-list-request@python.org?subject=help> |
| List-Subscribe | <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.4807.1326783046.27778.python-list@python.org> (permalink) |
| Lines | 16 |
| NNTP-Posting-Host | 2001:888:2000:d::a6 |
| X-Trace | 1326783046 news.xs4all.nl 6900 [2001:888:2000:d::a6]:55421 |
| X-Complaints-To | abuse@xs4all.nl |
| Xref | x330-a1.tempe.blueboxinc.net comp.lang.python:19053 |
Show key headers only | View raw
On Tue, Jan 17, 2012 at 5:47 PM, Xavier Ho <contact@xavierho.com> wrote:
> What was the rationale behind this design? Specifically, (None < 0) == True
> and (None == 0) == False?
>
> Personally I would have expected an exception on all tests above.
Compare with Python 3:
>>> None<0
Traceback (most recent call last):
File "<pyshell#31>", line 1, in <module>
None<0
TypeError: unorderable types: NoneType() < int()
ChrisA
Back to comp.lang.python | Previous | Next | Find similar | Unroll thread
Re: Comparing None and ints Chris Angelico <rosuav@gmail.com> - 2012-01-17 17:50 +1100
csiph-web