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=0.8 required=3.0 tests=BAYES_50,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.5-pre1 X-Received: by 2002:a05:620a:1467:: with SMTP id j7mr1447825qkl.266.1609880549806; Tue, 05 Jan 2021 13:02:29 -0800 (PST) X-Received: by 2002:a25:ca14:: with SMTP id a20mr1805134ybg.303.1609880549566; Tue, 05 Jan 2021 13:02:29 -0800 (PST) Path: eternal-september.org!reader02.eternal-september.org!news.gegeweb.eu!gegeweb.org!usenet-fr.net!proxad.net!feeder1-2.proxad.net!209.85.160.216.MISMATCH!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Tue, 5 Jan 2021 13:02:29 -0800 (PST) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: google-groups.googlegroups.com; posting-host=90.193.70.98; posting-account=YRfoYAoAAADhSEO2nLYx10QUUvp8akYl NNTP-Posting-Host: 90.193.70.98 References: <1cc09f04-98f2-4ef3-ac84-9a9ca5aa3fd5n@googlegroups.com> <5f0c4c86-bea9-4007-b16e-b4b80749a8b5n@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <97bb9444-9787-483d-9eff-e51b5fd58daan@googlegroups.com> Subject: Re: Lower bounds of Strings From: Stephen Davies Injection-Date: Tue, 05 Jan 2021 21:02:29 +0000 Content-Type: text/plain; charset="UTF-8" Xref: reader02.eternal-september.org comp.lang.ada:61047 List-Id: On Tuesday, 5 January 2021 at 18:28:37 UTC, Jeffrey R. Carter wrote: > On 1/5/21 6:24 PM, Stephen Davies wrote: > > subtype Mono_String is String with First => 1; > You can get the effect of this with a predicate, but slices won't slide to match. Sliding is the (my) main goal. Perhaps a different aspect name would be clearer: subtype Mono_String is String with Slide => True;