From 2401929536775213929 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,c9300cc6a0b28243 X-Google-Attributes: gidf78e5,public X-Google-ArrivalTime: 2003-08-04 19:22:47 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!kibo.news.demon.net!mutlu.news.demon.net!demon!mail2news.demon.co.uk!devnull From: brangdon@cix.co.uk (Dave Harris) Newsgroups: comp.std.c++ Subject: Re: no_base_call Date: Tue, 5 Aug 2003 02:22:42 +0000 (UTC) Lines: 21 Approved: fjh@cs.mu.oz.au (Fergus Henderson , moderator of comp.std.c++) Message-ID: References: <_azXa.385380$jp.11007710@twister.southeast.rr.com> X-Trace: mail2news.demon.co.uk 1060050163 10848 10.0.0.1 (5 Aug 2003 02:22:43 GMT) X-Complaints-To: abuse@demon.net NNTP-Posting-Date: Tue, 5 Aug 2003 02:22:43 +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 19jrTF-0002op-00 for mail2news@news.news.demon.net; Tue, 05 Aug 2003 02:22:42 +0000 X-Received: by mulga.cs.mu.OZ.AU id MAA02586; Tue, 5 Aug 2003 12:22:38 +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-Reply-To: brangdon@cix.co.uk X-Orig-NNTP-Posting-Host: pc1-clif1-6-cust113.nott.cable.ntl.com (80.4.200.113) X-Orig-X-Trace: news.uni-berlin.de 1060033430 26958584 80.4.200.113 (16 [57443]) X-Spamscanner: mailbox2.ucsd.edu (v1.2 May 26 2003 01:55:38, -0.7/5.0 2.55) X-MailScanner: PASSED (v1.2.7 71889 h74Lhpk7095301 mailbox2.ucsd.edu) X-Spam-Status: No, hits=-5.5 required=5.0 tests=AWL,BAYES_00,MAILTO_TO_REMOVE,QUOTED_EMAIL_TEXT,REFERENCES version=2.55 X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) Xref: archiver1.google.com comp.std.c++:20460 no_spam_remove_up_to_here_jwilliams@mfchelp.com ("Jeff Williams") wrote (abridged): > Often when over-riding functions from a base class, I find it > difficult to easily determine if I should be calling the base > class version (in the case of a hook) or not calling the base > class version (in the case of changing behavior). > It occurred to me that it might be useful to provide an > additional function type specifier that I shall refer to as > no_base_call. Why not declare the base class version private if it isn't supposed to be called? Have a public forwarding function if necessary. -- Dave Harris, Nottingham, UK --- [ 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 ]