[Python-Dev] Negative long literals (was Re: Does Python need a '>>>' operator?)
Guido van Rossum
Mon, 10 Jun 2002 08:52:43 -0400
> I think Beni has a very nice idea here, especially for people who can't
> visualize 2's-complement (not mentioning Guido by name <wink>).
In fact it's so subtle that I didn't notice what he proposed. I
though it had to do with the uppercase of 1xABCD.
Maybe that's too subtle?
Do we really need this?
> > I just got another idea: use 0x1234 for 0-filled numbers and 1xABCD for
> > 1-filled ones. That way you impose no restrictions on what follows the
> > prefix and keep backward compatibility. 0xFFFFFFFF stays a 2^n-1
> > _positive_ number, as it should be. The look of 1x is weird at first but
> > it is very logical...
> > Beni Cherniavsky <email@example.com>
--Guido van Rossum (home page: http://www.python.org/~guido/)