boost_1_81_0 Microsoft Visual Studio Community 2022 (64-bit) - Preview Version 17.8.0 Preview 5.0
<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Virus-free.www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Sun, Oct 29, 2023 at 11:17 PM Emil Dotchevski <emildotchev...@gmail.com> wrote: > > Can't repro on godbolt/gcc: https://godbolt.org/z/rWddT5xce. > > I know you're using MSVC but please provide compiler version and Boost > version. > > On Sun, Oct 29, 2023 at 7:29 AM Bernard via Boost-users > <boost-users@lists.boost.org> wrote: >> >> greetings kind regards >> may i please inquire how not to obtain "std::exception::what: Unknown >> exception" from diagnosic_inforumation() . my meaning is to inquire how to >> obtain as per example on boost web page >> https://www.boost.org/doc/libs/1_83_0/libs/exception/doc/tutorial_diagnostic_information.html >> output : "std::exception::what: example_io error" >> id est where did "example_io error" come from as neither boost::exception >> nor std:::exception accept constructor string arguments . >> >> please my code below . >> thank you kindly >> >> #include "stl" // #includes all stl #include files >> #include "boost\exception\all.hpp" >> using namespace std; >> >> struct ceXception : virtual boost::exception, virtual std::exception >> { >> using this_type = ceXception; >> ceXception() {} >> auto what() { cerr << __FUNCSIG__ << endl; return string("return from " + >> string(__FUNCSIG__)); } >> template<typename charType> >> friend >> std::basic_ostream<charType>& operator<<(std::basic_ostream<charType>& >> _ostream, const this_type&) { cerr << "to cerr from " << __FUNCSIG__ << >> endl; _ostream << "to ostream from " << __FUNCSIG__ << endl; return >> _ostream; } >> }; >> >> void foo() >> { >> try { BOOST_THROW_EXCEPTION(ceXception()); } >> catch (ceXception& e) >> { >> cerr << boost::diagnostic_information(e); >> } >> } >> >> int main() >> { >> foo(); >> return 0; >> } >> _______________________________________________ >> Boost-users mailing list >> Boost-users@lists.boost.org >> https://lists.boost.org/mailman/listinfo.cgi/boost-users _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org https://lists.boost.org/mailman/listinfo.cgi/boost-users
