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", "25");
    std::cout << p << std::endl;
    std::cout << boost::make_tuple(boost::ref(p), "male", 25) << std::endl;
}

void TestTuple2()
{
    using namespace std;
    typedef boost::tuple<string, string, int> person;
    person p("kevin", "male", 25);
    cout << p.get<0>() << endl;
    p.get<1>() = "lihua";
    cout << boost::get<1>(p) << endl;
}

void TestTuple3()
{
    using namespace std;
    typedef boost::tuple<string, string, int> person;
    person p1 = boost::make_tuple("kevin","male",25);
    person p2 = boost::make_tuple("lihua","female",25);

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

boost::tuple<std::string, int> func()
{
    return boost::make_tuple("func error", 2003);
}

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();
}