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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Is this actually possible?
Date: Wed, 11 Dec 2019 22:34:12 +0100
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Date: 2019-12-11T22:34:12+01:00
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On 2019-12-11 22:12, Lucretia wrote:
> On Wednesday, 11 December 2019 19:58:54 UTC, Dmitry A. Kazakov  wrote:

>> If you need objects that could be packed into C arrays use a variant
>> record with the choice discriminant having a default.
> 
> But in my cases, a variant cannot be used.

Why? You must know all variants in order to compute the array element 
size. In Ada you cannot have it either:

    type Not_an_Array is array (Positive range <>) of T'Class;

This is illegal.

Are you sure you want an array of objects, rather than an array of 
pointers to objects?

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