--- Comment #7 from Stewart Gordon <> 2009-11-08 06:55:47 PST ---
(In reply to comment #6)
> Logical xor is already in the language, its symbol is !=.

Not quite.  For example, 1 != 2 evaluates to true, whereas if ^^ is defined as
a logical xor, 1 ^^ 2 would evaluate to false.

But if the operands are guaranteed to be boolean or at least 0 or 1, then != is
effectively a logical xor.  To get logical xor when other values are possible,
one would have to do something like negate the operands.

So essentially, a ^^ b would be equivalent to !a != !b.

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