[m-rev.] for review: implement arg_cc in Mercury

[Fergus Henderson]

On 30-Nov-2002, Peter Ross <pro at missioncriticalit.com> wrote:
> +++ library/std_util.m	30 Nov 2002 15:14:59 -0000
> @@ -563,6 +563,10 @@
> +:- type maybe_arg
> +	--->	some[T] arg(T)
> +	;	no.

This change broke the bootstrap on roy.
The problem is

	browser_info.m:233: In clause for predicate `mdb:browser_info:set_param_format/6':
	browser_info.m:233:   warning: highly ambiguous overloading.

which occurs on the line

	browser_info__set_param(P, B, A, no, no, no, no, format(Format)).       

I suggest s/no/no_arg/ in the definition of maybe_arg in std_util.m.

-- 
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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