...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::interprocess::iunordered_set_index_aux::allocator_holder
// In header: <boost/interprocess/indexes/iunordered_set_index.hpp> struct allocator_holder { // construct/copy/destruct allocator_holder(segment_manager_base *); allocator_type alloc; bucket_type init_bucket; };