...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::log::thread_access_mode_of<unique_lock< MutexT >>
// In header: <boost/log/utility/strictest_lock.hpp> template<typename MutexT> struct thread_access_mode_of<unique_lock< MutexT >> : public boost::integral_constant< lock_access_mode, exclusive_access > { };