#include <iostream>
using namespace std ;

//--------------------------------------------------------

template<typename T>
void f1(T& param)
{
  cout << "param:" << param << " " <<
  typeid(T).name() << " " << typeid(param).name() << endl ;
  param++ ;
}



//--------------------------------------------------------

int main()
{
  int x1 = 27;             // x is an int
  const int cx = x1;       // cx is a const int
  const int& rx = x1;
  //What is T amd paramtype. They can be different due to qualifiers
  //such as const, ref.
   // int and int&
   f1( x1 ) ;  //T is an int. param is an int&
   cout << x1 << endl ;
   //We need to make sure that the constness is preserved
   //const int
   // f1( cx )  ; //T is a const int. param is an const int&

   // f1( rx )  ; //T is a const int. param is an const int&



 return 0 ;
}


//--------------------------------------------------------