PEP 285: Adding a bool type

Aahz aahz at pythoncraft.com
Tue Apr 2 09:56:45 EST 2002


In article <mailman.1017752105.30270.python-list at python.org>,
Rich Harkins  <rich at worldsinfinite.com> wrote:
>
>Hmmm... this is slightly OT for the thread but I have made a bit of a habit 
>of doing the following:
>
>if result is None:		# As opposed to result == None
>	stuff
>
>This is somewhat out of paranoia, and slightly out of interest in speed (my 
>recollection is that previous Python versions could end up calling __coerce__ 
>on comparisons with None and in many of these cases I didn't really want 
>that).  Is there any compelling reason not to do this?  Isn't None to be a 
>singleton in perpetuity?

Don't worry; you're doing the right thing.
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

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