...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::expressions::channel_severity_filter_actor::subscript_result — An auxiliary pseudo-reference to implement insertion through subscript operator.
// In header: <boost/log/expressions/predicates/channel_severity_filter.hpp> // An auxiliary pseudo-reference to implement insertion through subscript // operator. class subscript_result { public: // construct/copy/destruct subscript_result(channel_severity_filter_actor &, channel_value_type const &); void operator=(severity_value_type const &); };