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Date: Thu, 09 Feb 2012 14:59:51 +0100
From: Georg Bauhaus <rm.dash-bauhaus@futureapps.de>
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Newsgroups: comp.lang.ada
Subject: Re: Publishing selected entries in a protected object?
References: <87wr7wkyp5.fsf@adaheads.sparre-andersen.dk>
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Date: 2012-02-09T14:59:52+01:00
List-Id: <comp.lang.ada>

On 09.02.12 12:56, Jacob Sparre Andersen wrote:
> I have a package containing a protected object, and I would like to
> publish _one_ of this object's entries in the specification of the
> package.


Using synchronized interfaces should work?


package Semi is

   type Half is synchronized interface;

   procedure Grab (PO : in out Half) is abstract;

   function MakePO return Half'Class;

private

   protected type Full is new Half with
     overriding
     entry Grab;

     entry Foo;
   end Full;

end Semi;

...

   function MakePO return Half'Class is
   begin
      return Result : Full;
   end MakePO;