Function assertion_failed_msg

example/assert_handler.cpp:35–40

namespace boost {
    inline void assertion_failed_msg(char const* expr, char const* msg, char const* function, char const* /*file*/, long /*line*/) {
        std::cerr << "Expression '" << expr << "' is false in function '" << function << "': " << (msg ? msg : "<...>") << ".\n"
            << "Backtrace:\n" << boost::stacktrace::stacktrace() << '\n';
        /*<-*/ std::exit(0); /*->*/
        /*=std::abort();*/
    }

    inline void assertion_failed(char const* expr, char const* function, char const* file, long line) {
        ::boost::assertion_failed_msg(expr, 0 /*nullptr*/, function, file, line);