None versus MISSING sentinel -- request for design feedback
greg.ewing at canterbury.ac.nz
Fri Jul 15 22:24:21 EDT 2011
Ethan Furman wrote:
> of the return values (Logical, Date, DateTime, and probably Character)
> will have their own dedicated singletons (Null, NullDate, NullDateTime,
> NullChar -- which will all compare equal to None)
That doesn't seem like a good idea to me. It's common practice
to use 'is' rather than '==' when comparing things to None.
Why do you want to use special null values for these types?
More information about the Python-list