From -3740800540961578594 X-Google-Thread: f78e5,6978327f896d5d5b X-Google-Attributes: gidf78e5,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!news.glorb.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newshosting.com!nx02.iad01.newshosting.com!newsfeed.icl.net!newsfeed.fjserv.net!colt.net!kibo.news.demon.net!mutlu.news.demon.net!demon!mail2news.demon.co.uk!devnull From: francis@robinton.demon.co.uk (Francis Glassborow) Newsgroups: comp.std.c++ Subject: Re: What is the use of the null directive # ? Date: Sat, 26 Jun 2004 18:19:15 +0000 (UTC) Organization: Southfield Microcomputer SS Lines: 26 Approved: fjh@cs.mu.oz.au (Fergus Henderson , moderator of comp.std.c++) Message-ID: References: <607f883e.0406251028.5412fc80@posting.google.com> Mime-Version: 1.0 Content-Type: text/plain;charset=us-ascii;format=flowed X-Trace: mail2news.demon.co.uk 1088273955 1626 10.0.0.1 (26 Jun 2004 18:19:15 GMT) X-Complaints-To: abuse@demon.net NNTP-Posting-Date: Sat, 26 Jun 2004 18:19:15 +0000 (UTC) X-Received: from mulga.cs.mu.oz.au ([128.250.1.22]) by news.demon.co.uk with esmtp (Exim 4.12) id 1BeHli-0000Pv-00 for mail2news@news.news.demon.net; Sat, 26 Jun 2004 18:19:14 +0000 X-Received: from mulga.cs.mu.OZ.AU (localhost [127.0.0.1]) by mulga.cs.mu.OZ.AU with ESMTP id i5QIJ6rd029800; Sun, 27 Jun 2004 04:19:08 +1000 (EST) X-Received: (from fjh@localhost) by mulga.cs.mu.OZ.AU (8.12.10+Sun/8.12.9/Submit) id i5QIJ3Sn029789; Sun, 27 Jun 2004 04:19:03 +1000 (EST) X-Authentication-Warning: mulga.cs.mu.OZ.AU: fjh set sender to devnull@stump.algebra.com using -f X-Path: comp-std-cpp-robomod!not-for-mail X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov) X-Delivered-To: std-c++@ucar.edu X-Newsgroups: comp.std.c++ X-User-Agent: Turnpike/6.02-U () X-Spam-Checker-Version: SpamAssassin 2.60-mulga_r1 (1.212-2003-09-23-exp) on mulga.cs.mu.OZ.AU X-Spam-Status: No, hits=-2.8 required=5.2 tests=AWL,BAYES_00, MAILTO_TO_SPAM_ADDR autolearn=no version=2.60-mulga_r1 Xref: g2news1.google.com comp.std.c++:1036 In article <607f883e.0406251028.5412fc80@posting.google.com>, Prateek R Karandikar writes >What is the use of the null-directive # ? > > > 16.7 Null directive [cpp.null] >1 A preprocessing directive of the form > # new-line > has no effect. > It allows implementors to add directives as extensions without having impact on the portability of code using them. -- Francis Glassborow ACCU Author of 'You Can Do It!' see http://www.spellen.org/youcandoit For project ideas and contributions: http://www.spellen.org/youcandoit/projects --- [ 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.jamesd.demon.co.uk/csc/faq.html ]