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 2013. The current version is 1.89.0.
BOOST_LOG_COMBINE_REQUIREMENTS_LIMIT — The macro specifies the maximum number of requirements that can be combined with the combine_requirements metafunction.
// In header: <boost/log/sinks/frontend_requirements.hpp>
BOOST_LOG_COMBINE_REQUIREMENTS_LIMIT