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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Legit Warnings or not
Date: Fri, 29 Jul 2011 19:17:25 -0500
Organization: Jacob Sparre Andersen Research & Innovation
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Date: 2011-07-29T19:17:25-05:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message 
news:a47trh2rfxvh.fy7nhwxd9kpi$.dlg@40tude.net...
> On Thu, 28 Jul 2011 18:48:30 -0500, Randy Brukardt wrote:
...
>> Yes, for Ada it is too much. Anything implemented now has to be 
>> compatible
>> with the existing language and implementations.
>
> And where is any incompatibility? Why array or record cannot be 
> interfaces?

Interfaces require multiple inheritance. Multiple inheritance is 
unimplementable (at least efficiently). It's completely unimplementable in 
Janus/Ada which is based on fixed, statically sized objects and components. 
(Generic code sharing is a lot easier.)

                                    Randy.