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 2023. The current version is 1.89.0.
boost::container::tree_type — defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
// In header: <boost/container/options.hpp> template<tree_type_enum TreeType> struct tree_type { };