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 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,cb04cee6116c8ced X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news4.google.com!news1.google.com!newsfeed2.dallas1.level3.net!news.level3.com!bloom-beacon.mit.edu!newsswitch.lcs.mit.edu!nntp.TheWorld.com!not-for-mail From: Robert A Duff Newsgroups: comp.lang.ada Subject: Re: Package's private parts and protected types Date: Mon, 08 Feb 2010 11:06:27 -0500 Organization: The World Public Access UNIX, Brookline, MA Message-ID: References: <7ff3810f-3ee3-4f39-a54c-933ad7d0655c@36g2000yqu.googlegroups.com> <1v2la97s2yyvd.1rcy0ana8mver.dlg@40tude.net> <3bb38996-47f7-4f30-8255-f011501404b5@b10g2000yqa.googlegroups.com> NNTP-Posting-Host: shell01.theworld.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: pcls6.std.com 1265645174 25205 192.74.137.71 (8 Feb 2010 16:06:14 GMT) X-Complaints-To: abuse@TheWorld.com NNTP-Posting-Date: Mon, 8 Feb 2010 16:06:14 +0000 (UTC) User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (irix) Cancel-Lock: sha1:USm/19tYZPT2zfAH/tJGc7G7/1s= Xref: g2news1.google.com comp.lang.ada:8986 Date: 2010-02-08T11:06:27-05:00 List-Id: "Dmitry A. Kazakov" writes: > On Mon, 08 Feb 2010 09:56:42 -0500, Robert A Duff wrote: > >> However, I think you can get the hiding you want by using >> a protected or synchronized interface. > > Right, it is better now with Ada 2005. > > Nevertheless it is not too late to add the "standard" Ada syntax for task > and protected types declarations leaving the old one supported for > compatibility reasons. I mean > > type T is task { private | record ... }; > type S is protected { private | record ... }; What were they thinking?! The "task type T is..." syntax is so obviously broken. The protected syntax just copied that mistake, so it's not a mistake by itself. Unfortunately, we can't simplify the language by replacing the old syntax -- as you say, it's needed for compatibility. - Bob