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,FREEMAIL_FROM, MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.4 X-Google-Thread: 103376,901038687c38f61c X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news2.google.com!proxad.net!freenix!enst.fr!melchior!cuivre.fr.eu.org!melchior.frmug.org!not-for-mail From: Marius Amado Alves Newsgroups: comp.lang.ada Subject: Re: Idiom for a class and an object in Ada Date: Mon, 18 Oct 2004 13:26:06 +0100 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; format=flowed Content-Transfer-Encoding: 7bit X-Trace: melchior.cuivre.fr.eu.org 1098102395 7652 212.85.156.195 (18 Oct 2004 12:26:35 GMT) X-Complaints-To: usenet@melchior.cuivre.fr.eu.org NNTP-Posting-Date: Mon, 18 Oct 2004 12:26:35 +0000 (UTC) To: comp.lang.ada@ada-france.org Return-Path: User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en In-Reply-To: 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:5396 Date: 2004-10-18T13:26:06+01:00 > Suppose I have a class with one or a limited set of objects. The objects > are "global" in the sense that they hang around from program startup > thru the entire life of execution. An example would be an A/D Converter > class - My little control box might have 3 or 4 A/Ds in it - they're > always there and I want the data associated with them to be static (not > declared on the stack.) > > Question: What is the preferred Ada idiom for defining such a creature? generic Line : Number; package AD_Converter is function OK return Boolean; function Get return Value; end; package Heat is new AD_Converter (123); package Noise is new AD_Converter (456); package Wind is new AD_Converter (789); -- You can't get more "static" than that!