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!news.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail
From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: Ada 2005,Doubly_Linked_List with Controlled parameter
Date: Tue, 5 Apr 2016 09:22:42 -0700
Organization: A noiseless patient Spider
Message-ID: <ne0oih$bu3$1@dont-email.me>
References: <be918901-786f-421b-9553-fded90925732@googlegroups.com>
 <ndv7kt$a8j$1@dont-email.me>
 <1083384c-e798-49a0-903a-718dea4ab131@googlegroups.com>
 <ndvr70$hr1$1@gioia.aioe.org>
 <8fdba7bf-86a5-4d6e-b212-c670d3fdf9f9@googlegroups.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Tue, 5 Apr 2016 16:19:31 -0000 (UTC)
Injection-Info: mx02.eternal-september.org;
 posting-host="48b46be33beed75863f69afa437f956b";
	logging-data="12227"; mail-complaints-to="abuse@eternal-september.org";
	posting-account="U2FsdGVkX19CzMG2yxrXp+RxYAKe92GglqTwCClwAqU="
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
 Thunderbird/38.6.0
In-Reply-To: <8fdba7bf-86a5-4d6e-b212-c670d3fdf9f9@googlegroups.com>
Cancel-Lock: sha1:3ocPQ2Epn319BEEo92mz0CGl4gY=
Xref: news.eternal-september.org comp.lang.ada:29998
Date: 2016-04-05T09:22:42-07:00
List-Id: <comp.lang.ada>

On 04/05/2016 01:35 AM, George J wrote:
> ...
>>      type Info_Record
>>         (Name_Length : Positive; Surname_Length : Positive) is
>>      record
>>         Name    : String (1..Name_Length);
>>         Surname : String (1..Surname_Length);
>>         Age     : Natural;
>>      end Info_Record;
>
> I do it this way, and I have to change Doubly_Linked_List(Info_Record) to
> Indefinite_DoublY_Linked(Info_Record) cause of error:"unconstrained subtype in component declaration". Am I right? Or may be it's any way to use Doubly_Linked_List? And,BTW, I'm afraid of using Indefinite List cause I think,that it can request much more memory, than Doubly_C_L,isn't it?

Yes, you'd have to use the indefinite version for such a type, but it's nothing 
to worry about.

-- 
Jeff Carter
"Nobody expects the Spanish Inquisition!"
Monty Python's Flying Circus
22