Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This is an older version of Boost and was released in 2022. The current version is 1.89.0.
boost::log::sources::logger — Narrow-char logger. Functionally equivalent to basic_logger.
// In header: <boost/log/sources/logger.hpp> class logger : public basic_composite_logger< char, logger, single_thread_model, features< > > { };