...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::null_index
template<typename MapConfig> class null_index { public: // types typedef void * iterator; typedef const void * const_iterator; // construct/copy/destruct null_index(segment_manager_base *); // public member functions const_iterator begin() const; iterator begin() ; const_iterator end() const; iterator end() ; };