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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: limited agregate and limited components default initialization
Date: Sun, 1 Apr 2018 22:44:48 -0500
Organization: JSA Research & Innovation
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Date: 2018-04-01T22:44:48-05:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message 
news:p9rj2t$td5$1@gioia.aioe.org...
> On 2018-04-01 17:53, Jean-Claude Rostaing wrote:
>> My real problem is that the implicit dereference aspect NEEDS an access 
>> discriminant, and can't take a named access type.
>> ... or anonymous access type shall be allowed to be GENERAL, which I 
>> surely don't advocate for.
>
> Well, implicit dereference will never work with smart pointers because it 
> uses access discriminant (instead of a component). There is nothing you 
> could do about it. It simply was not designed for user-defined access 
> types.

It won't always work directly. The implicit dereference usually needs to be 
a separate (helper) object from the smart pointer. I believe Christophe 
Grein has a working implementation (but I forget the link).

                   Randy.