From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00
	autolearn=unavailable autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail
From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: Trying to declare an array from the heap from inside a record
 declaration
Date: Wed, 8 Nov 2017 18:22:12 +0100
Organization: Also freenews.netfront.net; news.tornevall.net;
 news.eternal-september.org
Message-ID: <otveg5$pah$1@dont-email.me>
References: <1c20fe22-ba3c-4db4-a18d-c922e3d04de5@googlegroups.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Wed, 8 Nov 2017 17:22:13 -0000 (UTC)
Injection-Info: reader02.eternal-september.org;
 posting-host="b131d1239dd1e2167e9017b489ea954f";
	logging-data="25937"; mail-complaints-to="abuse@eternal-september.org";
	posting-account="U2FsdGVkX19f6vs97vfOI+VxqehHepe1WT0pgXubujg="
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
 Thunderbird/52.4.0
In-Reply-To: <1c20fe22-ba3c-4db4-a18d-c922e3d04de5@googlegroups.com>
Content-Language: en-US
Cancel-Lock: sha1:FVUqCyD8+27fO3GPlPO3ZeQvDOY=
Xref: feeder.eternal-september.org comp.lang.ada:48772
Date: 2017-11-08T18:22:12+01:00
List-Id: <comp.lang.ada>

On 11/08/2017 10:32 AM, Jerry wrote:
> 
> type foo(M, N : Integer) is
>      record
>          y : Real_Vector(M .. N);
>          x_Ptr : Real_Vector_Access := new Real_Vector(M .. N);
>              x : Real_Vector renames x_Ptr.all;
>      end record;

You might want to move the allocation up a level:

type Foo (M : Integer; N : Integer) is record
    X : Real_Vector (M .. N);
end record;
type Foo_Ptr is access Foo;

F_Ptr : constant Foo_Ptr := new Foo (M, N);

F     : Foo renames F_Ptr.all;

-- 
Jeff Carter
"I unclog my nose towards you."
Monty Python & the Holy Grail
11