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=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!v102.xanadu-bbs.net!xanadu-bbs.net!nntp.club.cc.cmu.edu!micro-heart-of-gold.mit.edu!newsswitch.lcs.mit.edu!nntp.TheWorld.com!.POSTED!not-for-mail From: Robert A Duff Newsgroups: comp.lang.ada Subject: Re: Ada Annoyances Date: Fri, 30 Jun 2017 16:06:40 -0400 Organization: The World Public Access UNIX, Brookline, MA Message-ID: References: <1ac5a44b-4423-443a-a7bb-2864d9abe78f@googlegroups.com> <4921bd4e-3827-a7ac-7f2d-d60edbc514a3@tidorum.invalid> NNTP-Posting-Host: shell02.theworld.com Mime-Version: 1.0 Content-Type: text/plain X-Trace: pcls7.std.com 1498853200 32763 192.74.137.72 (30 Jun 2017 20:06:40 GMT) X-Complaints-To: abuse@TheWorld.com NNTP-Posting-Date: Fri, 30 Jun 2017 20:06:40 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) Cancel-Lock: sha1:nKU3EtYFaFKYOmMmmHAI7p30Wx4= Xref: news.eternal-september.org comp.lang.ada:47241 Date: 2017-06-30T16:06:40-04:00 List-Id: Niklas Holsti writes: > I don't see how that could happen. In the changes I am suggesting (for > the Maximum_Size aspect), the old and new tags would be in the same > T'Class (the one to which the Maximum_Size aspect applies), and the type > T would then either be derived from a Controlled parent, or not. So it > seems to me that the object's controlled/uncontrolled status could not > be changed by such a change of tag. True, but you can add a component that is controlled. So the outer object is not controlled, but it needs nontrivial finalization. - Bob