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 2002:a24:42c3:: with SMTP id i186mr5944534itb.2.1550673133427; Wed, 20 Feb 2019 06:32:13 -0800 (PST) X-Received: by 2002:a9d:53c8:: with SMTP id i8mr246879oth.7.1550673133192; Wed, 20 Feb 2019 06:32:13 -0800 (PST) Path: eternal-september.org!reader01.eternal-september.org!feeder.eternal-september.org!news.uzoreto.com!feeder1.cambriumusenet.nl!feed.tweak.nl!209.85.166.215.MISMATCH!y22no7296ita.0!news-out.google.com!v188ni8itb.0!nntp.google.com!y42no6838ita.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Wed, 20 Feb 2019 06:32:12 -0800 (PST) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=70.109.61.2; posting-account=QF6XPQoAAABce2NyPxxDAaKdAkN6RgAf NNTP-Posting-Host: 70.109.61.2 References: User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <54a5873a-57aa-40c6-8af4-a6f908d53593@googlegroups.com> Subject: Re: Ada 202x and square brackets From: Jere Injection-Date: Wed, 20 Feb 2019 14:32:13 +0000 Content-Type: text/plain; charset="UTF-8" Xref: reader01.eternal-september.org comp.lang.ada:55603 Date: 2019-02-20T06:32:12-08:00 List-Id: On Tuesday, February 19, 2019 at 5:01:05 PM UTC-5, Lucretia wrote: > Hi, > > I've noticed whilst looking through the grammar of draft 17 there are a lot of new uses of '[' ']' without much explanation. Can someone elaborate? > > Ta, > Luke. I know you found it, but for other's benefit, which did you find. I searched through and found them used in "reduction expressions" [1], but I don't know if that was the only use [1]: http://www.ada-auth.org/standards/2xrm/html/RM-4-5-10.html#I3068