[Python-Dev] PEP for adding an sq_index slot so that any object, a or b, can be used in X[a:b] notation

[Brett Cannon]

On 2/9/06, Guido van Rossum <guido at python.org> wrote:
> On 2/9/06, Brett Cannon <brett at python.org> wrote:
> > >    2) Change the ISINT macro in ceval.c to accomodate objects with the
> > >    index slot defined.
> >
> > Maybe the macro should also be renamed?  Not exactly testing if
> > something is an int anymore if it checks for __index__.
>
> Have you looked at the code? ceval.c uses this macro only in the slice
> processing code. I don't particularly care what it's called...
>

Yeah, I looked.  I just don't want a misnamed macro to start being
abused for some odd reason.  Might as well rename it while we are
thinking about it then let it have a bad name.

-Brett