[Python-ideas] Programming recommendations (PEP 8) and boolean values

Oleg Broytman phd at phdru.name
Thu Aug 9 11:40:03 CEST 2012

On Thu, Aug 09, 2012 at 03:24:59PM +1200, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
> On 09/08/12 04:59, Oleg Broytman wrote:
> >    To distinguish False and None for a tri-state variable that can have
> >3 values - "yes", "no" and "unspecified" - True, False and None in
> >Python-speak.
> Er, not quite best practice.

   Unavoidable. E.g. in SQL a boolean column stores True, False and None

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

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