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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: [OT] Re: Teaching new tricks to an old dog (C++ -->Ada)
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Date: Wed, 16 Mar 2005 14:31:53 +0100
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Date: 2005-03-16T14:28:22+01:00
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On Wed, 16 Mar 2005 12:46:10 +0100, Georg Bauhaus wrote:

> Dmitry A. Kazakov wrote:
>> On Tue, 15 Mar 2005 11:51:33 +0100, Georg Bauhaus wrote:
> 
>>>generic
>>>   type Ordered is new Has_Less_Than with private;
>>>package ...
>>>
>>>where Has_Less_Than is an abstract type with a "<" operation.
>> 
>> In which case it simple does not need to be generic! Ordered here is a
>> normal ADT, which class is Has_Less_Than'Class. So the package should work
>> directly with the class and be non-generic. End of story.
> 
> If you want a set of pointers to Employee'class, how can do you do
> it easily without templates for sets?

Exactly the same way. Access type is a type as any other. If it has to be a
member of Set_Element'Class why shouldn't it be?

type Employee_Ptr is access Employee'Class, new Set_Element;

> Have you read Bertrand Meyer's comparison? What do you think?

Any link?

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