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: Possible to recover default value of scalar type? Date: Tue, 15 Dec 2020 08:35:32 +0100 Organization: Aioe.org NNTP Server Message-ID: References: <0c0ddb8e-6a82-473d-8143-f4076242f520n@googlegroups.com> <86r1ntntb3.fsf@stephe-leake.org> <0ded905f-94ac-4470-936c-7f1cb19ac798n@googlegroups.com> <82e629ea-bd59-417a-9185-dd6094e396c1n@googlegroups.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/78.5.1 Content-Language: en-US X-Notice: Filtered by postfilter v. 0.9.2 Xref: reader02.eternal-september.org comp.lang.ada:60863 List-Id: On 2020-12-15 02:26, Randy Brukardt wrote: > "Dmitry A. Kazakov" wrote in message >> Put_Line (String (1..10)'Default_Value); -- print garbage > > The above isn't a legal attribute prefix in any case (can't slice a type). I mean a subtype. > And you don't need to because this is clearly an aggregate (which is legal > in Ada 2012): > Put_Line (String'(1..10 => <>)); -- print garbage Yes, I would prefer the box notation too. However having a proper name would has some advantages too: subtype S is T range T'Default_Value - 100..T'Default_Value + 100; -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de