From 719379068401749784 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,8fdf6b501ff64059 X-Google-Attributes: gidf78e5,public X-Google-ArrivalTime: 2002-01-06 22:13:02 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!dispose.news.demon.net!news.demon.co.uk!demon!mail2news.demon.co.uk!not-for-mail From: Stephen Clamage Newsgroups: comp.std.c++ Subject: Re: Possible DRs Date: Mon, 7 Jan 2002 06:12:16 GMT Organization: AT&T Broadband Approved: Fergus Henderson , moderator of comp.std.c++ Message-ID: <5lof3uk2f6t89sd4ohotn0lvmrqv8pr0s3@4ax.com> References: <3C36019C.32739F68@sensor.com> Reply-To: stephen.clamage@sun.com X-Trace: mail2news.demon.co.uk 1010383971 mail2news:19287 mail2news mail2news.demon.co.uk X-Complaints-To: abuse@demon.net X-Mail2News-Path: news.demon.net!mulga.cs.mu.oz.au X-Authentication-Warning: mulga.cs.mu.OZ.AU: fjh set sender to devnull@stump.algebra.com using -f X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov) X-Newsreader: Forte Agent 1.7/32.534 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit NNTP-Posting-Date: Sun, 06 Jan 2002 05:38:09 GMT Lines: 24 Xref: archiver1.google.com comp.std.c++:8834 On Fri, 4 Jan 2002 19:25:10 GMT, Ron Natalie wrote: >> >> 7) This one is really obscure. A union can contain two members >> ( with subobjects ) such that these subobjects overlap. Is it legal >> to assign one sucg object to another? > >This is a good one. Section 5.17, paragraph 8: If the value being stored in an object is accessed from another object that overlaps in any way the storage of the first object, then the overlap shall be exact and the two objects shall have the same type, otherwise the behavior is undefined. --- Steve Clamage, stephen.clamage@sun.com --- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@ncar.ucar.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://www.research.att.com/~austern/csc/faq.html ]