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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Ada requires too much typing!
Newsgroups: comp.lang.ada
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Date: Wed, 9 Jun 2010 16:29:29 +0200
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Date: 2010-06-09T16:29:29+02:00
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On Wed, 9 Jun 2010 06:54:18 -0700 (PDT), Maciej Sobczak wrote:

> On 9 Cze, 11:24, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
> wrote:
> 
>>> Note, for example, that containers in C++ have no common base class/
>>> interface. In Ada this is similar.
>>
>> There is a common base, which is just not explicit.
> 
> And you just forgot to explain what it is. Could you please elaborate
> on this?
> What is the common base class/interface for C++ or Ada containers?

generic
   type Element is private;
package Generic_Stack is
   type Stack is limited private;
   ...
end Generic_Stack;

The common base is the [generic] interface of Stack, which all instances
share, which every programmer has in mind talking about stack.

> How can I use it?

You cannot, which is the problem of generics.

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