Boolean tests [was Re: Attack a sacred Python Cow]

[Carl Banks]

On Jul 30, 1:58 am, "Russ P." <Russ.Paie... at gmail.com> wrote:
> On Jul 29, 10:33 pm, Carl Banks <pavlovevide... at gmail.com> wrote:
>
> > On Jul 30, 1:15 am, "Russ P." <Russ.Paie... at gmail.com> wrote:
> > > Having said that, it would sure be nice to be able to write
>
> > > if myList is not empty:
>
> > > instead of
>
> > > if len(myList) != 0:
>
> > I can agree with this.
>
> But I guess that could only work if there were only one empty list
> that represents all empty lists (as there is only one actual "None").
> I don't know if that makes sense or not.

I mean in general.  I wouldn't spell it like that.  I would prefer if
empty(x), with an __empty__ method.  (And support __nonzero__ aka
__bool__ dropped completely.)


Carl Banks