// ------------------------------------------------------------------------
// Adders
// Program to motivate why template classes might be useful
// This time using a template class
// ------------------------------------------------------------------------
#include <iostream>

using namespace std;

// ------------------------------------------------------------------------
// ------------------------------------------------------------------------
// ------------------------------------------------------------------------
template< typename T >
class Adder
{
   public:
      // constructor
      Adder()
      {
         m_sum = 0;
      }
      // add function
      void Add( T p_number )
      {
         m_sum += p_number;
      }
      // get sum function.
      T Sum()
      {
         return m_sum;
      }
   private:
      // sum variable.
      T m_sum;
};

// ------------------------------------------------------------------------
// ------------------------------------------------------------------------
// main function - it all begins here
// ------------------------------------------------------------------------
int main()
{
   Adder<int> iadder2;
   Adder<float> fadder2;
   int i;
   float f;
   for( i = 0, f = 0.0f; i < 10; i++, f += 1.1f )
   {
      iadder2.Add( i );
      fadder2.Add( f );
   }
   cout << "The integer sum using an Adder: " << iadder2.Sum() << endl;
   cout << "The float sum using an Adder: " << fadder2.Sum() << endl;
   
   return 0;
}