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,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.107.3.155 with SMTP id e27mr8417470ioi.22.1513918890925; Thu, 21 Dec 2017 21:01:30 -0800 (PST) X-Received: by 10.157.46.130 with SMTP id w2mr576578ota.10.1513918890828; Thu, 21 Dec 2017 21:01:30 -0800 (PST) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!tncsrv06.tnetconsulting.net!feeder.erje.net!2.us.feeder.erje.net!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!i6no1348753itb.0!news-out.google.com!b73ni4466ita.0!nntp.google.com!i6no1348750itb.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Thu, 21 Dec 2017 21:01:30 -0800 (PST) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=2601:191:8303:2100:b1b7:3ff:f0e5:5886; posting-account=fdRd8woAAADTIlxCu9FgvDrUK4wPzvy3 NNTP-Posting-Host: 2601:191:8303:2100:b1b7:3ff:f0e5:5886 References: <0d33e631-e63d-4346-ac95-5eec72127f4f@googlegroups.com> <0fa75dd5-599b-4a38-a5d4-3151bbe5172f@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: Subject: Re: syntaxic exploration From: Robert Eachus Injection-Date: Fri, 22 Dec 2017 05:01:30 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Xref: reader02.eternal-september.org comp.lang.ada:49582 Date: 2017-12-21T21:01:30-08:00 List-Id: On Thursday, December 21, 2017 at 11:24:54 AM UTC-5, Jeffrey R. Carter wrot= e: > On 12/21/2017 08:21 AM, Randy Brukardt wrote: > >=20 > > Ada has no good way to write an empty array. I usually use (1 .. 0 =3D>= <>) > > for that, but nothing is really satisfying. >=20 > Except perhaps the empty array aggregate >=20 > "" >=20 > (only for string types, alas). Is it a reasonable language improvement request to allow "" for other empty= arrays? Another possibility is the reserved word null. If that were allo= wed I might even use it in place of "" for strings, because that is not dif= ferent enough from '"' when reading, depending on the type face used.=20