C++Talk.NET C++ language newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  standalone operators and STL containers          C++Talk.NET Forum Index -> C++ language, library and standards View previous topic :: View next topic   Author Message Pavel Vozenilek Guest Posted: Mon Apr 25, 2005 3:16 pm    Post subject: standalone operators and STL containers Standalone operators between STL containers are defined with the same type T, like: template<typename T, class Alloc> bool operator==(const vector<T, Alloc>&, const vector<T, Alloc>&) { ... } What was reason for not using different types as: template<typename T1, typename T2, class Alloc> bool operator==(const vector<T1, Alloc>&, const vector<T2, Alloc>&) { ... } Then one could easily compare say vector<int> with vector<short>. Is there a hidden problem with such approach? /Pavel --- [ 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 ] Back to top Thorsten Ottosen Guest Posted: Tue Apr 26, 2005 5:22 am    Post subject: Re: standalone operators and STL containers ""Pavel Vozenilek"" <pavel_vozenilek (AT) yahoo (DOT) co.uk> wrote Quote: Standalone operators between STL containers are defined with the same type T, like: template<typename T, class Alloc bool operator==(const vector What was reason for not using different types as: template<typename T1, typename T2, class Alloc bool operator==(const vector Then one could easily compare say vector<int> with vector<short>. Is there a hidden problem with such approach? maybe if T1 = int and T2 = float. -Thorsten --- [ 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 ] Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         C++Talk.NET Forum Index -> C++ language, library and standards All times are GMT Page 1 of 1   Jump to: Select a forum C/C++----------------C LanguageC Language (Moderated)C++ Language (Moderated)C++ language (comp.lang.c++)C++ language, library and standards Non-English C/C++ Newsgroups----------------C++ (German)C++ (French)  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2006 phpBB Group SEO toolkit © 2004-2006 webmedic.