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,c80e6f742e73478f X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!postnews.google.com!q21g2000yqm.googlegroups.com!not-for-mail From: Adam Beneschan Newsgroups: comp.lang.ada Subject: Re: Ensuring postconditions in the face of exceptions Date: Tue, 16 Mar 2010 12:00:56 -0700 (PDT) Organization: http://groups.google.com Message-ID: <341a6a47-cb89-4ec3-a030-8f580bcb4a55@q21g2000yqm.googlegroups.com> References: <820d96c0-5d67-4b8c-8c5b-811ca4f1127e@g26g2000yqn.googlegroups.com> <4b9a098b$0$2339$4f793bc4@news.tdc.fi> <3696058c-235f-4d58-87be-74172ca0248a@g4g2000yqa.googlegroups.com> NNTP-Posting-Host: 66.126.103.122 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1268766057 27865 127.0.0.1 (16 Mar 2010 19:00:57 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 16 Mar 2010 19:00:57 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: q21g2000yqm.googlegroups.com; posting-host=66.126.103.122; posting-account=duW0ogkAAABjRdnxgLGXDfna0Gc6XqmQ User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; WOW64; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.21022; .NET CLR 3.5.30729; .NET CLR 3.0.30618),gzip(gfe),gzip(gfe) Xref: g2news2.google.com comp.lang.ada:10569 Date: 2010-03-16T12:00:56-07:00 List-Id: On Mar 16, 8:18=A0am, Robert A Duff wrote: > > Repeat after me: "limited" is a property of a view! It's not constant f= or a > > particular type! That's a common mistake that even those of us on the A= RG > > make from time-to-time. > > I don't understand why the definition of "by reference" is subtly > different from the definition of "immutably limited". Well, for one thing, the language defines what types are "immutably limited", but it doesn't completely define which types are "by reference"---the implementation decides that in some cases (6.2(11)). -- Adam