...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::operator!= — Inequality operator.
// In header: <boost/log/utility/type_info_wrapper.hpp> bool operator!=(type_info_wrapper const & left, type_info_wrapper const & right);