...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::intrusive::hash_bool_flags
// In header: <boost/intrusive/hashtable.hpp> struct hash_bool_flags { // public data members static const std::size_t unique_keys_pos; static const std::size_t constant_time_size_pos; static const std::size_t power_2_buckets_pos; static const std::size_t cache_begin_pos; static const std::size_t compare_hash_pos; static const std::size_t incremental_pos; static const std::size_t linear_buckets_pos; static const std::size_t fastmod_buckets_pos; };