/* * ========================================================================= * * FileName: std_multimap.cpp * * Description: * * Version: 1.0 * Created: 2018-01-11 13:35:31 * Last Modified: 2018-01-13 10:44:32 * Revision: none * Compiler: gcc * * Author: zt () * Organization: * * ========================================================================= */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include int main ( int argc, char* argv[] ) { ( void ) argc; ( void ) argv; #if 1 std::multimap<:string int> a; a.insert ( {"aaa", 1} ); a.insert ( {"aaa", 2} ); a.insert ( {"aaa", 1} ); a.insert ( {"baa", 1} ); a.insert ( {"baa", 3} ); a.insert ( {"baa", 1} ); #else std::map<:string int> a; a.insert ( {"aaa", 2} ); a.insert ( {"baa", 1} ); #endif //for ( auto& e : a ) //std::cout << e.first << " " << e.second << std::endl; //for ( auto iter = a.lower_bound ( "aaa" ); iter != a.upper_bound ( "aaa" ); ++iter ) //std::cout << iter->first << " " << iter->second << std::endl; //for_each ( a.lower_bound ( "aaa" ), a.upper_bound ( "aaa" ), [&] ( std::multimap<:string int>::value_type e ) for_each ( a.lower_bound ( "aaa" ), a.upper_bound ( "aaa" ), [&] ( decltype ( a ) ::value_type e ) { std::cout << e.first << " " << e.second << std::endl; } ); return 0; }