...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 — This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
// In header: <boost/log/expressions/predicates/channel_severity_filter.hpp> template<typename SeverityT, typename ChannelT, typename ChannelFallbackT, typename ChannelTagT, template< typename > class ActorT> channel_severity_filter_actor< ChannelT, SeverityT, ChannelFallbackT, fallback_to_none, less, greater_equal, use_std_allocator, ActorT > channel_severity_filter(attribute_actor< ChannelT, ChannelFallbackT, ChannelTagT, ActorT > const & channel_placeholder, attribute_name const & severity_name);