<=> and obfuscation

[J. Shapiro]

[Aren't you hungry..?]

> People have been arguing about the statement that
> 	b ^= a ^= b ^= a;
> gives 0 when a and b are the same.  However, you've misunderstood the
> original statement - the problem is not when a and b have the same VALUE, 
> but when they have the same ADDRESS. 
> -- 
> Bill Stewart	ho95c!wcs AT&T Bell Labs, Holmdel NJ
> HO 4K-435 x0705   (201-949-0705)
> {allegra, ucbvax!ihnp4, decvax!harpo}!houxf!stewart

I might suggest that if you are foolish enough to try to swap a and b where
&a == &b, you deserve what you get... There *is* a certain poetic justice 
to it. ;-)


Jon Shapiro
Haverford College