From -4859599160323512629 X-Google-Thread: f78e5,f6130266038a8c4d X-Google-Attributes: gidf78e5,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news2.google.com!proxad.net!proxad.net!194.159.246.34.MISMATCH!peer-uk.news.demon.net!kibo.news.demon.net!news.demon.co.uk!demon!stump.algebra.com!devnull From: francis@robinton.demon.co.uk (Francis Glassborow) Newsgroups: comp.std.c++ Subject: Re: Private Methodes declared outside of the class Date: Wed, 18 Aug 2004 17:17:28 GMT Organization: Southfield Microcomputer SS Lines: 23 Sender: mail2news@demon.net Approved: fjh@cs.mu.oz.au (Fergus Henderson , moderator of comp.std.c++) Message-ID: References: <2oblfaF8nds3U1@uni-berlin.de> <_p6Uc.1281$g%5.16328@news2.e.nsc.no> <41211964$0$73936$14726298@news.sunsite.dk> <2oco5cF9dtbhU1@uni-berlin.de> NNTP-Posting-Host: news.news.demon.net Mime-Version: 1.0 Content-Type: text/plain;charset=us-ascii;format=flowed X-Trace: news.demon.co.uk 1092849453 24100 158.152.254.254 (18 Aug 2004 17:17:33 GMT) X-Complaints-To: abuse@demon.net NNTP-Posting-Date: Wed, 18 Aug 2004 17:17:33 +0000 (UTC) X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov) 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=-3.5 required=5.2 tests=AWL,BAYES_00 autolearn=ham version=2.60-mulga_r1 X-Received: (from fjh@localhost) by mulga.cs.mu.OZ.AU (8.12.10+Sun/8.12.9/Submit) id i7IHHSs3025688; Thu, 19 Aug 2004 03:17:28 +1000 (EST) X-Path: comp-std-cpp-robomod!not-for-mail X-Spam-Level: X-Delivered-To: std-c++@ucar.edu X-Authentication-Warning: mulga.cs.mu.OZ.AU: fjh set sender to devnull@stump.algebra.com using -f X-Newsgroups: comp.std.c++ Xref: g2news1.google.com comp.std.c++:1809 In article <2oco5cF9dtbhU1@uni-berlin.de>, Ben Strasser writes >And why is it not needed? Because there's a workaround which allows you >to do a simple thing the hard way? > >PImpl adds extra indirections, which are slower than when using a C >interface (compare this->imp->data to handle->data) but worse is the >extra indirection in the source code which makes you have to actually >think that imp->imp_foo() is actually calling a member of the same class. Which, AFAICS, any reasonable quality compiler can optimise away. -- 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 ]