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: 103376,f93e461e8491e322 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news3.google.com!newsfeed2.dallas1.level3.net!news.level3.com!newsfeed-00.mathworks.com!nntp.TheWorld.com!not-for-mail From: Robert A Duff Newsgroups: comp.lang.ada Subject: Re: Limited_Controlled, orthogonality and related issues Date: Fri, 19 Jan 2007 11:36:57 -0500 Organization: The World Public Access UNIX, Brookline, MA Message-ID: References: <1xayd4jh8w33a.1meq1440lgi4v.dlg@40tude.net> NNTP-Posting-Host: shell01.theworld.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: pcls6.std.com 1169224620 26164 192.74.137.71 (19 Jan 2007 16:37:00 GMT) X-Complaints-To: abuse@TheWorld.com NNTP-Posting-Date: Fri, 19 Jan 2007 16:37:00 +0000 (UTC) User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (irix) Cancel-Lock: sha1:kLMQanCmE2WTcALN6NgNFgdHPQw= Xref: g2news2.google.com comp.lang.ada:8334 Date: 2007-01-19T11:36:57-05:00 List-Id: "Dmitry A. Kazakov" writes: > On Fri, 19 Jan 2007 10:29:35 -0500, Robert A Duff wrote: > >> Make all types tagged. For efficiency, this would require a different >> run-time model than what Ada compilers currently do -- you don't want >> to store a tag field with every Boolean variable! To enable the >> non-stored-tag model, eliminate the rule that all tagged parameter >> are aliased (and allow "aliased" keyword). >> >> None of the above are likely to happen, I suspect. > > Even if we, all the Ada community, really wanted it? The Ada community wants compatibility with older versions of the language. What I described above is not compatible. - Bob