[Python-Dev] an alternative to embedding policy in PEP 418 (was: PEP 418: Add monotonic clock)

Oleg Broytman phd at phdru.name
Thu Apr 5 15:34:11 CEST 2012


On Thu, Apr 05, 2012 at 10:06:38PM +0900, Stephen J. Turnbull wrote:
> On Thu, Apr 5, 2012 at 8:05 AM, Oleg Broytman <phd at phdru.name> wrote:
> >   Well, I am partially retreat. "Errors should never pass silently.
> > Unless explicitly silenced." get_clock(FLAG, on_error=None) could return
> > None.
> 
> I still don't see what's erroneous about returning None when asked for
> an object that is documented to possibly not exist, ever, in some
> implementations.  Isn't that precisely why None exists?

   Why doesn't open() return None for a non-existing file? or
socket.gethostbyname() for a non-existing name?

Oleg.
-- 
     Oleg Broytman            http://phdru.name/            phd at phdru.name
           Programmers don't die, they just GOSUB without RETURN.


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