From 1182159000866570826 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,7522e5259f7267d6 X-Google-Attributes: gidf78e5,public From: Hyman Rosen Subject: Re: x = y = z; Undefined? Date: 2000/01/06 Message-ID: #1/1 X-Deja-AN: 569210527 X-NNTP-Posting-Host: firewall.jyacc.com Approved: stephen.clamage@sun.com (comp.std.c++) References: X-UID: 0000000001 X-Status: $$$T X-Complaints-To: abuse@panix.com X-Trace: news.panix.com 947181099 23210 209.49.126.226 (6 Jan 2000 17:51:39 GMT) Organization: PANIX Public Access Internet and UNIX, NYC NNTP-Posting-Date: 6 Jan 2000 17:51:39 GMT Newsgroups: comp.std.c++ Originator: clamage@taumet smeyers@aristeia.com (Scott Meyers) writes: > int i1, i2, i3; > (i1 = i2) = i3; > > 1. Does the above example run afoul of the rule against modifing an > object more than once without an intervening sequence point? Yes. > 2. Why does assignment for built-in types return an lvalue? void f(int &n); void g() { int n; f(n = 3); } [ 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://reality.sgi.com/austern_mti/std-c++/faq.html ]