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From: Kilgallen@SpamCop.net (Larry Kilgallen)
Newsgroups: comp.lang.ada
Subject: Re: What evil would happen?
Date: 12 Jul 2003 08:11:07 -0500
Organization: LJK Software
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In article <slrnbh00ch.3fv.randhol+abuse@kiuk0152.chembio.ntnu.no>, Preben Randhol <randhol+abuse@pvv.org> writes:
> Wojtek Narczynski wrote:
>> I don't follow. 
>> 
>> What would be unsafe about:
>> 
>> procedure Parse_Username( S: in String; Result: out Boolean) return String;
> 
> What would be the point of it?

Being able to return an unconstrained value along with one or more
constrained values from the same subprogram:

	declare
	    my_result : Boolean;
	    my_username : constant := Parse_Username (
		s => "SYSTEM",
		result => my_result );
	begin
	    -- make use of that
	end;