On Tue, Jul 14, 2009 at 11:47 AM, Mark Dickinson<dicki...@gmail.com> wrote:
> On Jul 14, 7:25 pm, "Dr. Phillip M. Feldman" <pfeld...@verizon.net>
> wrote:
>> Current Boolean operators are 'and', 'or', and 'not'.  It would be nice to
>> have an 'xor' operator as well.
>
> Hmm.  I don't think 'nice' is sufficient.  You'd need to make the case
> that it's sufficiently useful to justify adding a new keyword 'xor' to
> the language;  I suspect that would be an uphill struggle. :)
>
> I'll just note that:
>
> (1) It's easy to emulate xor:  'x xor y' <-> bool(x) != bool(y)

Using the xor bitwise operator is also an option:
bool(x) ^ bool(y)

Cheers,
Chris
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