[mercury-users] Mutual Exclusivity & Exhaustiveness

[David Overton]

On Thu, Jan 03, 2002 at 03:04:08PM +1100, Ralph Becket wrote:
> Simon Taylor, Thursday,  3 January 2002:
> > The disjunction mimics how code using the promise is written.
> > It also has the correct variable scoping rules.
> > I don't see how a list is any more correct. The elements of
> > the "list" don't have the same type.
> 
> Okay, if we say that ";" should be read as exclusive-or in a
> promise_exclusive declaration.

That's what the `is det' tells you.


David
-- 
David Overton      Department of Computer Science & Software Engineering
PhD Student        The University of Melbourne, Victoria 3010, Australia
+61 3 8344 9159    http://www.cs.mu.oz.au/~dmo
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