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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Package's private parts and protected types
Newsgroups: comp.lang.ada
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Date: Mon, 8 Feb 2010 11:20:52 +0100
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Date: 2010-02-08T11:20:53+01:00
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On Mon, 8 Feb 2010 00:30:12 -0800 (PST), Martin wrote:

> This is true of task types too.

I don't think so. The task specification does not expose barriers and local
variables of its body. But the protected type specification does its
private operations and components:

package P is
   protected type T is
      ...
   private
      ... -- Why is it here? Is it C++ or Ada?
   end T; 
private
   ... -- It belongs here! Or better to the package body
end P;

Obviously to me, the syntax should have been like:

   type T is protected private; -- or "protected with private"
   entry Foo (X : in out T);
   function Bar (X : T) return Boolean;
private
   type T is protected record
      ...
   end T;  -- I don't like "end record" either.

If you write "limited" instead of "protected", you cannot publicly declare
entries.

(And same for the task types)

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de