// Ex5_09.cpp
// Using an rvalue reference parameter

#include <iostream>
using std::cout;
using std::endl;

int incr10(int&& num);              // Function prototype

int main()
{
  int num { 3 };
  int value { 6 };
  int result {};
/*
  result = incr10(num);                              // Increment num
  cout << endl << "incr10(num) = " << result
       << endl << "num = " << num;

  result = incr10(value);                            // Increment value
  cout << endl << "incr10(value) = " << result
       << endl << "value = " << value;
*/
  result = incr10(value+num);                        // Increment an expression
  cout << endl << "incr10(value+num) = " << result
       << endl << "value = " << value;

  result = incr10(5);                                // Increment a literal
  cout << endl << "incr10(5) = " << result
       << endl << "5 = " << 5;

  cout << endl;
  return 0;
}

// Function to increment a variable by 10
int incr10(int&& num)       // Function with rvalue reference argument
{
   cout << endl << "Value received = " << num;
   num += 10;                  
   return num;              // Return the incremented value
}