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Article #5097Re: [C++] function overloading en typedef
From: Nicolas Barbier
Date: Thu, 29 May 2003 11:57
Date: Thu, 29 May 2003 11:57
30 lines
2146 bytes
2146 bytes
Slayerke wrote: > Nicolas Barbier wrote: (snip) >> Weet je toevallig ook nog waarom er geen copy constructor-aanroep gebeurt >> tussen "constructor" en "tussen a en b"? :-) > > g++ heeft deze al weggeoptimaliseerd, dit moet expliciet afgezet worden: > -fno-elide-constructors > The C++ standard allows an implementation to omit creating a > tempo- > rary which is only used to initialize another object of the > same > type. Specifying this option disables that optimization, and > forces G++ to call the copy constructor in all cases. > Dan geeft het (zoals verwacht): > constructor > copy constructor > copy constructor > tussen a en b > copy constructor *Aaaargl*, ik snap het. Ik moet gewoon de standaard lezen als ik de volledige semantiek van C++ wil kennen. Maar die wil begint weer snel af te brokkelen als ik dergelijke dingen zie ;-). -- Nicolas Barbier
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X-Google-Language: DUTCH,ASCII-7-bit X-Google-Thread: fcea4,3077f069a49c0aca X-Google-Attributes: gidfcea4,public X-Google-ArrivalTime: 2003-05-29 05:20:04 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-06!sn-xit-09!supernews.com!newsfeed.news2me.com!newsfeed.freenet.de!easynews.net!newsfeed3.easynews.net!feed1.news.be.easynet.net!sisyphus.news.be.easynet.net!not-for-mail Message-ID: <3ed5f5e9$0$6529$afc38c87@sisyphus.news.be.easynet.net> From: Nicolas Barbier <anti@spam.invalid> Subject: Re: [C++] function overloading en typedef Newsgroups: be.comp.programming Date: Thu, 29 May 2003 13:57:48 +0200 References: <3ed4a249.0@news.ruca.ua.ac.be> <lxaBa.230897$me2.30732029@amsnews02.chello.com> <3ed5e932$0$6524$afc38c87@sisyphus.news.be.easynet.net> <zfmBa.26582$1u5.2088@afrodite.telenet-ops.be> User-Agent: KNode/0.6.1 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit Lines: 30 Organization: [ posted via Easynet Belgium ] NNTP-Posting-Date: 29 May 2003 11:58:33 GMT NNTP-Posting-Host: 213.193.183.51 X-Trace: 1054209513 6529 [::ffff:213.193.183.51]:33000 X-Complaints-To: abuse@be.easynet.net