...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_STREAM_CHANNEL — The macro allows to put a record with a specific channel name into log.
// In header: <boost/log/sources/channel_feature.hpp>
BOOST_LOG_STREAM_CHANNEL(logger, chan)