From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.5-pre1 (2020-06-20) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.5-pre1 Path: eternal-september.org!reader02.eternal-september.org!aioe.org!5WHqCw2XxjHb2npjM9GYbw.user.gioia.aioe.org.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: Ada syntax questions Date: Mon, 21 Dec 2020 09:08:30 +0100 Organization: Aioe.org NNTP Server Message-ID: References: <5fdbde31$0$6455$426a74cc@news.free.fr> <87pn34b0le.fsf@nosuchdomain.example.com> NNTP-Posting-Host: 5WHqCw2XxjHb2npjM9GYbw.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 Content-Language: en-US X-Notice: Filtered by postfilter v. 0.9.2 Xref: reader02.eternal-september.org comp.lang.ada:60910 List-Id: On 2020-12-20 22:59, Keith Thompson wrote: > Function calls and array indexing can be substituted for one another > in *some* circumstances, but not it all. IMO the only circumstances violating this substitutability are language design bugs and deficiencies: - Passing array elements in in-out mode - Assigning array elements - Multidimensional indices - Slices all these must be substituable with user-defined subprograms. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de