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!news.eternal-september.org!.POSTED!not-for-mail From: "J-P. Rosen" Newsgroups: comp.lang.ada Subject: Re: Primitive subprogram for a subtype? Date: Mon, 21 Aug 2017 16:00:53 +0200 Organization: A noiseless patient Spider Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Date: Mon, 21 Aug 2017 13:56:37 -0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="7edc9f692df7c7dfc0a7fae70ced8680"; logging-data="1768"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19PRmf2rlhWwL0URE/sq8Fv" User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 In-Reply-To: Content-Language: fr Cancel-Lock: sha1:49eQE6kjyW3Xen3UmL1pxZ7HgB8= Xref: news.eternal-september.org comp.lang.ada:47765 Date: 2017-08-21T16:00:53+02:00 List-Id: Le 21/08/2017 à 14:32, Victor Porton a écrit : > How is it related to having the same tag? I do NOT speak about defining a > primitive subprogram for both the type and its subtype but for the subtype > only. A value (as opposed to a variable) has no subtype, just a type. Suppose P is a primitive subprogram of some integer type, if you define another P for some subtype of it, which one would you call for P(1) ? Remember that the bounds of a subtype can be computed at runtime, but that overload resolution happens at compile-time! -- J-P. Rosen Adalog 2 rue du Docteur Lombard, 92441 Issy-les-Moulineaux CEDEX Tel: +33 1 45 29 21 52, Fax: +33 1 45 29 25 00 http://www.adalog.fr