8.boost_array_any

 #include <iostream>
 #include <string>
 #include <boost/array.hpp>
 //异构的容器
 #include <boost/any.hpp>
 #include <vector>
 #include <typeinfo>
 #include <algorithm>
 using namespace std;
 using namespace boost;

 void main()
 {
     boost::array<string, >mystr = { "","ab","","ef","" };
     boost::array<string, >::iterator ib = mystr.begin();
     boost::array<string, >::iterator ie = mystr.end();
     for (; ib != ie; ib++)
     {
         cout << *ib << endl;
     }

     //返回数组首地址
     string *p = mystr.data();
     cout << *p << endl;
     mystr[] = "";
     mystr.at() = "";

     //异构容器
     std::vector<boost::any> s_values;
     s_values.push_back();
     s_values.push_back('A');
     s_values.push_back(19.8);
     s_values.push_back("");
     //cout << boost::any_cast<double>(s_values[2]) << endl;

     for_each(s_values.begin(),s_values.end(),
         [](const boost::any &anydata)
     {
         //获取类型
         const std::type_info &ti = anydata.type();
         //根据类型执行相应的操作
         if (ti == typeid(int))
         {
             cout << boost::any_cast<int>(anydata) << endl;
         }
         else if (ti == typeid(double))
         {
             cout << boost::any_cast<double>(anydata) << endl;
         }
         else if (ti == typeid(const char *))
         {
             cout << boost::any_cast<const char *>(anydata) << endl;
         }
         else if (ti == typeid(char))
         {
             cout << boost::any_cast<char>(anydata) << endl;
         }
     });

     cin.get();
 }