YAAO (yet another assignment op

[Mark Wittenberg]

> I always thought it would be sort of nice to have
> 	<=>
> as "swap": thus
> 	a <=> b;
> replaces
> 	some_type c;
> 	c = a;
> 	a = b;
> 	b = a;
> useful since "some_type" can't be decided dynamically.
> Also on some machines and for some "some_type" this
> can be done efficiently, even atomically, eg,
> 	register char	*a, *b;
> 
> 	a <=> b;
> on a 68000 is one instruction.
> 
> Mark Wittenberg
> Relational Technology, Inc.
> ucbvax!mtxinu!rtech!mark
> zehntel!rtech!mark

Well, thanks to the miracle of modern network delay, I see that someone
else has already suggested this operator, although I didn't see the proposed
syntax.  You can't win them all.

/mark