...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::posix_time::posix_time_system_config
// In header: <boost/date_time/posix_time/posix_time_config.hpp> class posix_time_system_config { public: // types typedef simple_time_rep time_rep_type; typedef gregorian::date date_type; typedef gregorian::date_duration date_duration_type; typedef time_duration time_duration_type; typedef time_res_traits::tick_type int_type; typedef time_res_traits resolution_traits; // public member functions BOOST_STATIC_CONSTANT(boost::int64_t, tick_per_second = 1000000000) ; };