Listing 2
#include <boost/multi_index_container.hpp> #include <boost/multi_index/ordered_index.hpp> #include <boost/multi_index/key_extractors.hpp> using namespace boost::multi_index; struct employee { ... }; typedef multi_index_container< employee, indexed_by< ordered_unique<identity<employee> >, ordered_non_unique<member<employee, std::string, &employee::name> >, ordered_non_unique<member<employee, int, &employee::age> > > > company;