// Boost.Bimap // // Copyright (c) 2006-2007 Matias Capeletto // // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) // VC++ 8.0 warns on usage of certain Standard Library and API functions that // can be cause buffer overruns or other possible security issues if misused. // See http://msdn.microsoft.com/msdnmag/issues/05/05/SafeCandC/default.aspx // But the wording of the warning is misleading and unsettling, there are no // portable alternative functions, and VC++ 8.0's own libraries use the // functions in question. So turn off the warnings. #define _CRT_SECURE_NO_DEPRECATE #define _SCL_SECURE_NO_DEPRECATE // Boost.Bimap Example //----------------------------------------------------------------------------- #include #include #include #include #include #include #include #include #include #include using namespace boost::bimaps; using namespace boost; using namespace std; int main() { { typedef bimap< string, multiset_of< optional > > bm_type; bm_type bm; assign::insert( bm ) ( "John" , string("lazarus" ) ) ( "Peter", string("vinicius") ) ( "Simon", string("vinicius") ) ( "Brian", none ) ; cout << "John is working in " << bm.left.at( "John" ).get_value_or( "no project" ) << endl; cout << "Project vinicius is being developed by " << endl; BOOST_FOREACH( bm_type::right_reference rp, bm.right.equal_range( std::string("vinicius") ) ) { cout << rp.second << endl; } cout << "This workers need a project " << endl; BOOST_FOREACH( bm_type::right_reference rp, bm.right.equal_range(none) ) { cout << rp.second << endl; } } //[ code_population_bimap typedef bimap< unordered_set_of< std::string >, multiset_of< long, std::greater > > population_bimap; typedef population_bimap::value_type population; population_bimap pop; pop.insert( population("China", 1321000000) ); pop.insert( population("India", 1129000000) ); pop.insert( population("United States", 301950000) ); pop.insert( population("Indonesia", 234950000) ); pop.insert( population("Brazil", 186500000) ); pop.insert( population("Pakistan", 163630000) ); std::cout << "Countries by their population:" << std::endl; // First requirement /*<< The right map view works like a `std::multimap< long, std::string, std::greater >`, We can iterate over it to print the results in the required order. >>*/ for( population_bimap::right_const_iterator i = pop.right.begin(), iend = pop.right.end(); i != iend ; ++i ) { std::cout << i->second << " with " << i->first << std::endl; } // Second requirement /*<< The left map view works like a `std::unordered_map< std::string, long >`, given the name of the country we can use it to search for the population in constant time >>*/ std::cout << "Population of China: " << pop.left.at("China") << std::endl; //] return 0; }