[m-dev.] for review: add promise_only_solution/1 to std_util.m

[David Glen JEFFERY]

On 06-Nov-1998, Fergus Henderson <fjh at cs.mu.OZ.AU> wrote:
> Hi, 
> 
> Could someone please review this?
> 
> --------------------
> 
> Estimated hours taken: 0.5
> 
> library/std_util.m:
> 	Add `promise_only_solution/1'.
> 
> NEWS:
> 	Mention this addition.

Looks fine to me, as long as we're happy with putting it in std_util.m.


dgj
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