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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: How to hide inherited implementation of a public interface?
Date: Fri, 21 Mar 2014 21:14:49 +0100
Organization: cbb software GmbH
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Date: 2014-03-21T21:14:49+01:00
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On Fri, 21 Mar 2014 10:58:54 -0700, Jeffrey Carter wrote:

> On 03/21/2014 05:53 AM, Natasha Kerensikova wrote:
>>
>>     package I is
>>        type T is interface;
>>        procedure P (Object : in out T) is abstract;
>>     end I;
> 
> "IMHO, Interfaces are worthless."

Interface is an abstract type. Abstract types are not worthless.

Worthless is the Java's idea that multiple inheritance could become more
useful, less flawed, choose what you want, when restricted to interfaces.

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