From 4881336494417932665 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,ab08a3e89d74b8d7 X-Google-Attributes: gidf78e5,public X-Google-ArrivalTime: 2002-05-07 08:48:01 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!kibo.news.demon.net!news.demon.co.uk!demon!mail2news.demon.co.uk!not-for-mail From: Hyman Rosen Newsgroups: comp.std.c++ Subject: Re: Core Language Active Issue #329 Date: Tue, 7 May 2002 15:47:30 GMT Organization: KBC Financial Products Approved: Fergus Henderson , moderator of comp.std.c++ Message-ID: <3CD6A00D.2080502@mail.com> References: <3CD19D55.1050804@mail.com> X-Trace: mail2news.demon.co.uk 1020786454 mail2news:13186 mail2news mail2news.demon.co.uk X-Complaints-To: abuse@demon.net X-Mail2News-Path: news.demon.net!mulga.cs.mu.oz.au X-Authentication-Warning: mulga.cs.mu.OZ.AU: fjh set sender to devnull@stump.algebra.com using -f X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov) User-Agent: Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.0rc1) Gecko/20020417 X-Accept-Language: en-us, en MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cache-Post-Path: master.nyc.kbcfp.com!unknown@mosquito.nyc.kbcfp.com X-Cache: nntpcache 2.3.3 (see http://www.nntpcache.org/) Lines: 27 Xref: archiver1.google.com comp.std.c++:11084 Garry Lancaster wrote: > Actually it won't use either. The default comparison > operator for std::set is <, not ==. I'm calling std::find on a sequence. 25.1.2 says that operator== is used. > We need to make the distinction between declaration > and definition. It is right that the declaration is visible > and therefore considered for overload resolution, > even if the function instantiation has not yet been > defined. The declaration itself can involve the template parameters in such a way that it is legal for some types and illegal for others. I see no reason to change the behavior away from what exists currently. If you must instantiate a template for a type for which the friends will be incorrect, write a specialization which doesn't contain them. --- [ 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 ]