When to use None
Gerrit Holl
gerrit.holl at pobox.com
Tue Feb 1 15:17:37 EST 2000
Aahz Maruch wrote on 949428623:
> In article <8779su$sak$1 at nnrp1.deja.com>, <stevie_deja at my-deja.com> wrote:
> >
> >Would anyone explain to me where there is a difference between the
> >following two calls:
> >
> >if some_var == None : print 'var is none'
> >
> >if some_var is None : print 'var is none'
>
> The latter is faster because it does a direct object comparison rather
> than going through the conversion.
Does this also count for type(a) is type(b)?
There should be a FAQ entry for this one!
regards,
Gerrit.
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