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=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,a00006d3c4735d70 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2004-02-02 01:30:09 PST Path: archiver1.google.com!news2.google.com!fu-berlin.de!uni-berlin.de!tar-atanamir.cbb-automation.DE!not-for-mail From: Dmitry A. Kazakov Newsgroups: comp.lang.ada Subject: Re: In-Out Parameters for functions Date: Mon, 02 Feb 2004 10:38:15 +0100 Message-ID: References: <6fjh109qllmjek7ud2me7k1t40so3ervmk@4ax.com> NNTP-Posting-Host: tar-atanamir.cbb-automation.de (212.79.194.116) Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: news.uni-berlin.de 1075714208 28323935 212.79.194.116 ([77047]) X-Newsreader: Forte Agent 1.8/32.548 Xref: archiver1.google.com comp.lang.ada:5176 Date: 2004-02-02T10:38:15+01:00 List-Id: On Sat, 31 Jan 2004 02:39:43 +0300 (MSK), "Alexandre E. Kopilovitch" wrote: >Dmitry A. Kazakov wrote: > >> I am afraid that allowing IN OUT parameters would be inconsistent with >> the functions of the protected objects. Provided that the prefix >> notation creeps Ada, it will be difficult to explain when X.Foo may >> change X and when not. > >If we require a mark for IN OUT parameter at call cite, that is, > > F(keyword X) > >then X.F will be illegal (given that > > keyword F.X > >is illegal). Why should we do it at call site? -- Regards, Dmitry A. Kazakov www.dmitry-kazakov.de