#include <boost/any.hpp>
#include <iostream>
#include <string>
#include <vector>

using namespace std;
using boost::any;
using boost::any_cast;

typedef struct foo
{
    int m_nVal;
} foo;

int main(void)
{
    int n = 10;
    bool b = true;
    vector<any> av;
    vector<any>::iterator it;
    foo f;

    f.m_nVal = 100;

    av.push_back(n);                 // store int
    av.push_back(b);                 // store bool
    av.push_back(string("string"));  // store string
    av.push_back(f);                 // store struct

    for ( it = av.begin(); it != av.end(); it++ )
    {
        any &a = *it;

        if ( a.type() == typeid(int) )
        {
            int *val = any_cast<int>(&a);
            cout << "int  : " << *val << endl;
        }
        else if( a.type() == typeid(bool) )
        {
            const bool *val = any_cast<bool>((const any *)&a);
            cout << "bool : " << *val << endl;
        }
        else if( a.type() == typeid(string) )
        {
            string val = any_cast<string>(a);
            cout << "str  : " << val << endl;
        }
        else if( a.type() == typeid(struct foo) )
        {
            struct foo val = any_cast<struct foo>(a);
            cout << "foo  : " << val.m_nVal << endl;
        }
    }

    return 0;
}