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=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,6aa1ec264ce25142 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,UTF8 Received: by 10.180.75.8 with SMTP id y8mr2850206wiv.4.1346224007487; Wed, 29 Aug 2012 00:06:47 -0700 (PDT) Path: e9ni68965273wia.0!nntp.google.com!goblin3!goblin2!goblin.stu.neva.ru!aioe.org!.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: Real syntax problems in Ada Date: Wed, 29 Aug 2012 09:06:51 +0200 Organization: cbb software GmbH Message-ID: References: <1p5r39cusgc1n$.18nj9sytckk6$.dlg@40tude.net> <874nnmhki2.fsf@mid.deneb.enyo.de> <027d5417-06c0-46f5-a04a-70269f593b18@googlegroups.com> <090f7d43-21c1-480d-8428-96c1c59ec7f2@googlegroups.com> Reply-To: mailbox@dmitry-kazakov.de NNTP-Posting-Host: FbOMkhMtVLVmu7IwBnt1tw.user.speranza.aioe.org Mime-Version: 1.0 X-Complaints-To: abuse@aioe.org User-Agent: 40tude_Dialog/2.0.15.1 X-Notice: Filtered by postfilter v. 0.8.2 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Date: 2012-08-29T09:06:51+02:00 List-Id: On Tue, 28 Aug 2012 14:07:32 -0700 (PDT), Adam Beneschan wrote: > Starting with Ada 2005, it's now possible to say (1..0 => <>), which makes > things better than they were before--at least there's no more problem of > having to come up with a dummy value to put on the right side of the > arrow. What about (<> => <>) ? (:-)) Actually since we have Unicode, we could take use of U+2205 (empty set), So: (∅ => <>) -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de