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,c0d4e990924eb044 X-Google-Attributes: gid103376,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news1.google.com!Xl.tags.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.posted.plusnet!news.posted.plusnet.POSTED!not-for-mail NNTP-Posting-Date: Fri, 13 Mar 2009 16:38:21 -0500 Date: Fri, 13 Mar 2009 21:38:17 +0000 From: Tim Rowe User-Agent: Thunderbird 2.0.0.19 (Windows/20081209) MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Newbie question -- dereferencing access References: <72516b38-1711-4588-b53b-7b42773f70c2@w34g2000yqm.googlegroups.com> <1IednThMP8E8sCfUnZ2dnUVZ8suWnZ2d@posted.plusnet> <71ut2oFn4m2pU1@mid.individual.net> <49BA8A57.7090200@tgrowe.plus.net> <49ba8f44$0$31873$9b4e6d93@newsspool3.arcor-online.net> <49baa9f6$0$14898$4f793bc4@news.tdc.fi> In-Reply-To: <49baa9f6$0$14898$4f793bc4@news.tdc.fi> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: <67GdnanSItDTTyfUnZ2dnUVZ8iyWnZ2d@posted.plusnet> X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-S84e37RNDYuri18SVmibtO/jgDlI8o4m074O/JRfCvVBuj1MGy0UOiQa3A3KnAu4QkNP95ruuZjIDoo!ET5vB4kw+w+srSSIXblHkKnCtdjKAgomAeHkju+5A3+UfgCu1P3Lx8O/y8NedyobDnuXh1depTka!5/ULWNQWmiUp X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.39 Xref: g2news2.google.com comp.lang.ada:5091 Date: 2009-03-13T21:38:17+00:00 List-Id: Niklas Holsti wrote: > If I wanted to discard the storage of an Unbounded_String variable S at > some point in the program, before S goes out of scope, I would assign S > := Null_Unbounded_String. This is likely to discard the storage for S, > but I think the Ada standard does not guarantee that it happens at the > assignment; it might happen later. Much as I'm used to with Java and C#; thanks. I'd need to know if I were doing hard real time, but then if I don't know a maximum length for a string I couldn't show compliance with hard real time constraints anyway, could I?