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=-2.9 required=5.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.4 X-Google-Thread: 103376,55a8252137b5ef97,start X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news3.google.com!news.glorb.com!fr.ip.ndsoftware.net!proxad.net!freenix!enst.fr!melchior!cuivre.fr.eu.org!melchior.frmug.org!not-for-mail From: Stephen Leake Newsgroups: comp.lang.ada Subject: Re: Efficiently setting up large quantities of constant data Date: 13 Dec 2004 17:09:02 -0500 Organization: Cuivre, Argent, Or Message-ID: References: NNTP-Posting-Host: lovelace.ada-france.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: melchior.cuivre.fr.eu.org 1102975789 23117 212.85.156.195 (13 Dec 2004 22:09:49 GMT) X-Complaints-To: usenet@melchior.cuivre.fr.eu.org NNTP-Posting-Date: Mon, 13 Dec 2004 22:09:49 +0000 (UTC) To: comp.lang.ada@ada-france.org Return-Path: In-Reply-To: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 X-Virus-Scanned: by amavisd-new-20030616-p10 (Debian) at ada-france.org X-BeenThere: comp.lang.ada@ada-france.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Gateway to the comp.lang.ada Usenet newsgroup" List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Xref: g2news1.google.com comp.lang.ada:6924 Date: 2004-12-13T17:09:02-05:00 gate02@wrandyke.demon.co.uk (Michael Mounteney) writes: > I want to set up about 100 variables which somehow reference > variable-length arrays of other things. The other things, for a given > variable, are fixed. Simplifying: > > type component is > record > X : character; > end record; > > type component_list is array (positive range <>) of component; > > type component_ref is access all component_list; > > type structure is > record > part : component_ref; > end record; > > So I will have lots of structures scattered about, which will be > completely constant. I would like to enforce this constancy, but Ada > (as far as I know) does not (unlike C++; that should get some hackles > rising) allow `constant' to be splashed about in type definitions. Yes it does; any object, and any pointer to object, can be declared constant. Please show an actual object that you attempted to declare as constant, but where unable to. -- -- Stephe