/////////////////////////////////////////////////////
// MT3Q2 - Convert from string to arbitrary type   //
//                                                 //
// Jim Fawcett, CSE687 - OOD Midterm, Spring 2013  //
/////////////////////////////////////////////////////

#include <sstream>
#include <iostream>
#include "../MTutility/MTutility.h"

template<typename T>
T FromString(const std::string& str)
{
  std::istringstream in(str);
  T t;
  in >> t;
  if(!in.good() && !in.eof())
    throw std::invalid_argument("Can't convert string to instance of T");
  return t;
}

int main()
{
  Title("MT3Q2 - Converting from String to arbitrary type");
  try
  {
    double d = FromString<double>("3.14159265");
    std::cout << "\n  value of " << typeid(d).name() << " = " << d;

    int i = FromString<int>("10");
    std::cout << "\n  value of " << typeid(i).name() << " = " << i;

    int foobar = FromString<int>("foobar");
  }
  catch(std::exception& ex)
  {
    std::cout << "\n  " << ex.what() << "\n\n";
  }
  std::cout << "\n\n";
  return 0;
}