1 2 // Copyright 2006-2009 Daniel James. 3 // Distributed under the Boost Software License, Version 1.0. (See accompanying 4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5 6 //[intro_example1_1 7 #include <boost/unordered_map.hpp> 8 #include <boost/foreach.hpp> 9 #include <cassert> 10 #include <iostream> 11 //] 12 main()13int main() { 14 //[intro_example1_2 15 typedef boost::unordered_map<std::string, int> map; 16 map x; 17 x["one"] = 1; 18 x["two"] = 2; 19 x["three"] = 3; 20 21 assert(x.at("one") == 1); 22 assert(x.find("missing") == x.end()); 23 //] 24 25 //[intro_example1_3 26 BOOST_FOREACH(map::value_type i, x) { 27 std::cout<<i.first<<","<<i.second<<"\n"; 28 } 29 //] 30 } 31