Re: Python Basic Doubt

From	Terry Reedy <tjreedy@udel.edu>
Subject	Re: Python Basic Doubt
Date	2013-08-10 21:25 -0400
References	(1 earlier) <20130810114040.6ac78fe8@bigbox.christie.dr> <52067FDA.2030908@gmail.com> <5206B527.6080700@islandtraining.com> <CAPTjJmoM=MU2eqa2i_5_RbveXMqScQqu_uFjonwdrZX7Vsc49g@mail.gmail.com> <5206DDED.8030506@islandtraining.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.449.1376184354.1251.python-list@python.org> (permalink)

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On 8/10/2013 8:42 PM, Gary Herron wrote:

> But for each of your examples, using "==" is equivalent to using "is".
> Each of
>      if something == None
>      if device == _not passed
>      if device != None
> would all work as expected.  In none of those cases is "is" actually
> needed.

class EqualAll:
     def __eq__(self, other): return True

ea = EqualAll()
print(ea == None)
print(ea == float('nan'))
 >>>
True
True

-- 
Terry Jan Reedy

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Re: Python Basic Doubt Terry Reedy <tjreedy@udel.edu> - 2013-08-10 21:25 -0400

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