Boost C++: 数据结构---tuple

 #include <boost/tuple/tuple.hpp>
 #include <boost/tuple/tuple_io.hpp>
 #include <boost/tuple/tuple_comparison.hpp>
 #include <iostream>
 #include <string>

 void TestTuple1()
 {
     typedef boost::tuple<std::string, std::string> person;
     person p("kevin", "");
     std::cout << p << std::endl;
     std::cout << boost::make_tuple(boost::ref(p), "male", ) << std::endl;
 }

 void TestTuple2()
 {
     using namespace std;
     typedef boost::tuple<string, string, int> person;
     person p("kevin", "male", );
     cout << p.get<>() << endl;
     p.get<>() = "lihua";
     cout << boost::get<>(p) << endl;
 }

 void TestTuple3()
 {
     using namespace std;
     typedef boost::tuple<string, string, int> person;
     person p1 = boost::make_tuple("kevin","male",);
     person p2 = boost::make_tuple("lihua","female",);

     cout << (p1 != p2) << endl;
 }

 boost::tuple<std::string, int> func()
 {
     return boost::make_tuple("func error", );
 }

 void TestTuple4()
 {
     std::string err_msg;
     int err_no;

     boost::tie(err_msg, err_no) = func();
     std::cout << "error: " << err_msg << "error no:" << err_no << std::endl;
 }

 void TestShuJuJieGou()
 {
     TestTuple4();
 }