From -4202947437115088240 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,edd477ec92e5348f X-Google-Attributes: gidf78e5,public X-Google-Thread: fc772,ef0c226459c03bdf X-Google-Attributes: gidfc772,public From: Valentin Bonnard Subject: Re: Protected Inheritance Date: 1999/02/16 Message-ID: <36C046BE.4233@clipper.ens.fr>#1/1 X-Deja-AN: 444964858 X-NNTP-Posting-Host: netlab.cs.rpi.edu Approved: stephen.clamage@sun.com (comp.std.c++) References: <79aesq$qlr$1@uuneo.neosoft.com> <36b9fd49.0@10.1.1.65> X-Submission-Address: c++-submit@netlab.cs.rpi.edu X-Original-Date: Tue, 09 Feb 1999 15:31:26 +0100 X-UID: 0000000001 X-Status: $$$T X-Approved-For-Group: harkness@skeptics.org comp.lang.c++.moderated Organization: Ecole Normale Superieure, Paris, France X-Auth: PGPMoose V1.1 PGP comp.lang.c++.moderated iQBVAwUANsjFIUHMCo9UcraBAQGE1AH+JghsjPJrb6yoJ2dpB13dlarZO+VUO7Uv HBwpn9H+KF7H49HdHkGD7InCJOQXv9Z8fm7dBF8tmnLO7nfGcCfvwA== =ISoN Newsgroups: comp.std.c++,comp.lang.c++.moderated Originator: clamage@taumet Scott Meyers wrote: > True, but don't forget the copy constructor: > > class MoreDerived: public Something { > public: > MoreDerived() > : Something(*new Something) {} // initialize DontDeriveFromSomething > }; // via copy ctor Could you explain why you think that it should work ? > >By the way, I tried to templatize the idiom, and I thought it should work. > > I think it should, too. No, sadly it won't, because of some strange [moderators, I can say stupid ?] rule in the standard, which prohibits making template parameters friends. -- Valentin Bonnard [ 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 ] [ Send an empty e-mail to c++-help@netlab.cs.rpi.edu for info ] [ about comp.lang.c++.moderated. First time posters: do this! ]