#include <iostream>
#include <string>

#include <boost/spirit/include/support_utree.hpp>

int main(int ac, char** av)
{
    boost::spirit::utree u;
    std::string test("test");
    
    u = test;
    
    std::cout
        << "u = " << u
        << ", " << u.which()
        << std::endl
        ;
    
    
    // 1. Using range, OK
    boost::spirit::utf8_string_range_type srange =
        u.get<boost::spirit::utf8_string_range_type>();
        
    std::string s1(srange.begin(), srange.end());
    std::cout << "s1 = " << s1 << std::endl;
    
    // 2. Using spirit string, FAIL --> std::bad_cast
    std::string s2 = u.get<boost::spirit::utf8_string_type>();
    std::cout << "s2 = " << s2 << std::endl;
    
    // 3. Using std::string, FAIL --> std::bad_cast
    std::string s3 = u.get<std::string>();
    std::cout << "s3 = " << s3 << std::endl;
    
	return 0;
}