#include <iostream>
#include <string>
#include <boost/lexical_cast.hpp>

int main(int argc, char** argv)
{
  int i1 = 11;

  double d1 = 11.11;
  double d2 = 22;

  std::string s1 = "444";
  std::string s2 = "555.";
  std::string s3 = "666.666";
  std::string s4 = "777 World";
  std::string s5 = "Hello World";

  ///////////////////////////////////////////////////

  std::string result_string;

  result_string = boost::lexical_cast<std::string>(i1);
  std::cout << result_string << std::endl;

  result_string = boost::lexical_cast<std::string>(d1);
  std::cout << result_string << std::endl;

  result_string = boost::lexical_cast<std::string>(d2);
  std::cout << result_string << std::endl;

  int result_int;
  double result_double;

  result_int = boost::lexical_cast<int>(s1);
  std::cout << result_int << std::endl;

  result_double = boost::lexical_cast<double>(s2);
  std::cout << result_double << std::endl;

  result_double = boost::lexical_cast<double>(s3);
  std::cout << result_double << std::endl;

  try
  {
    result_int = boost::lexical_cast<int>(s4);
    std::cout << result_int << std::endl;
  }
  catch(boost::bad_lexical_cast blc)
  {
    std::cout << "could not convert " << s4 << " to int" << std::endl;
  }

  try
  {
    result_int = boost::lexical_cast<int>(s5);
    std::cout << result_int << std::endl;
  }
  catch(boost::bad_lexical_cast blc)
  {
    std::cout << "could not convert " << s5 << " to int" << std::endl;
  }

  return 0;
}