[m-rev.] for review: add a test coverage scenario

[Fergus Henderson]

On 20-Aug-2001, Erwan Jahier <Erwan.Jahier at irisa.fr> wrote:
> 
> Ok thanks, but how do you say to the compiler that when calling via 
> solutions/2 a multidet predicate, you necessarily obtain a not empty list?

Change
:- mode solutions(pred(out) is multi, out) is det.

to
:- mode solutions(pred(out) is multi, out(non_empty_list)) is det.

in std_util.m.

Likewise for the function version.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  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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