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Groups > comp.lang.python > #64643

Re: datetime as subclass of date

From Roy Smith <roy@panix.com>
Newsgroups comp.lang.python
Subject Re: datetime as subclass of date
Date 2014-01-23 19:10 -0500
Organization PANIX Public Access Internet and UNIX, NYC
Message-ID <roy-29B820.19102323012014@news.panix.com> (permalink)
References <CANc-5Uw5z84=vAMVJaCH-KCSR=1q8_zTKuspaF2zzOG9qtVu4Q@mail.gmail.com> <mailman.5913.1390515296.18130.python-list@python.org>

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In article <mailman.5913.1390515296.18130.python-list@python.org>,
 Ben Finney <ben+python@benfinney.id.au> wrote:

> Skip Montanaro <skip@pobox.com> writes:
> 
> > […] I was asking [Python] if a datetime instance was an instance of a
> > date. Which, it turns out, it is.
> 
> Yep. Makes sense, since ‘datetime’ can do everything ‘date’ can do, and
> is conceptually a subset of the same concept.

That's reasonable, but given that, it's weird that date(2014, 1, 23) == 
datetime(2014, 1, 23) is False.  You would think it should be True, in 
the same way that 1 + 0j == 1 is True.

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Thread

Re: datetime as subclass of date Ben Finney <ben+python@benfinney.id.au> - 2014-01-24 09:14 +1100
  Re: datetime as subclass of date Roy Smith <roy@panix.com> - 2014-01-23 19:10 -0500
    Re: datetime as subclass of date Ben Finney <ben+python@benfinney.id.au> - 2014-01-24 17:54 +1100
    Re: datetime as subclass of date Skip Montanaro <skip@pobox.com> - 2014-01-24 10:03 -0600

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