From -1251015842209742362 X-Google-Thread: 7894ca11fe,9498f84f2fe77780 X-Google-Attributes: gid7894ca11fe,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news2.google.com!Xl.tags.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local2.nntp.dca.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Mon, 07 Sep 2009 02:30:50 -0500 Return-Path: To: (Usenet) From: Ron Newsgroups: comp.std.c++ Subject: Re: delete multiple pointers Organization: http://groups.google.com Sender: cppmods@cs.rpi.edu Approved: james.dennett@gmail.com Message-ID: <7541342d-01b6-4f3a-a9ab-280ea54e359c@r34g2000vba.googlegroups.com> References: <5abb2eee-8508-4309-b697-1958e225c7ad@o10g2000yqa.googlegroups.com> Content-Type: text/plain; charset=ISO-8859-1 X-Original-Date: Sat, 5 Sep 2009 21:09:38 -0700 (PDT) X-Submission-Address: std-c++@netlab.cs.rpi.edu Date: Mon, 7 Sep 2009 02:21:58 CST Lines: 29 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-vdP//Q6IhnY3F/jZObYETWBEvzO6Q7QvZ5NLwy7fVvbpfJxPhfOIpZ19Ctf6apu5MplSi9HTKHL2I8T!RGVUxrmuy3Bei46MJ3zeZGaL2oc2IQEDQPWVEQNB6dDFkLrlV8qftDF8L2rSkz8pA5TtrvKR97te!2WNf1I/VxLXnUKidZ3xzaB2T1ZU= X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html 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.std.c++:1356 On Sep 6, 12:26 am, "cdm.hender...@googlemail.com" wrote: > > delete[] p1,p2; > > I assume then, that the comma operator here is seen as the compiler as > separating two statements; "delete[] p1" and "p2", and that "p2" as > statement does nothing but is not an error. Is my understanding of > this correct? > It is a comma operator. But what you have is two subexpressions in one statement. The first subexpression delete[] p1 is evaluated and then it's value discarded and the right subexpression p2 is evaluated and it becomes the value of the full expression (which is ignored). p2 is not deleted. -- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@netlab.cs.rpi.edu] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://www.comeaucomputing.com/csc/faq.html ]