[m-rev.] for review: bug fix for try_all/2

[Fergus Henderson]

On 08-Dec-2004, Ian MacLarty <maclarty at cs.mu.OZ.AU> wrote:
> 
> On another matter - why is the determinism of list.perm(in, out) 
> nondet?  Surely it should be multi?

Yes, I think it should be multi.  I think the answer to your first
question is probably that list.perm has been included in the Mercury
library since before Mercury supported the determinism 'multi'.
Because list__perm is recursive, the compiler didn't warn about it,
so I suppose no-one noticed up until now.

-- 
Fergus Henderson                    |  "I have always known that the pursuit
                                    |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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