...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::system_error
// In header: <boost/test/execution_monitor.hpp> class system_error { public: // construct/copy/destruct explicit system_error(char const *); // public data members unit_test::readonly_property< long > p_errno; unit_test::readonly_property< char const * > p_failed_exp; };