Rainer Deyke wrote:
>You could, however, remove a redundant 'not' from the original:
>
>def xor(a, b): return (a or b) and not (a and b)
That may find the truthness of a and b twice, which might
not give the expected behaviour. Eg, if __nonzero__ takes
time to compute (as with a proxy to a remote object) then
the overhead may be twice as long.
Andrew
dalke at acm.org