#include <iostream>
#include <string>
using std::string;

#include "swap.h"

class MyClass {
    int x;
  public:
    MyClass(int i) {
      x = i;
    }
    MyClass operator +(MyClass b) {
      return MyClass(x + b.x);
    }
};

#include "array.h"

int main() {
  int a = 10;
  int b = 20;
  swap<int>(a, b);
  swap(a, b);

  int x = 1;
  long y = 2;

  std::cout << sum(a, b) << std::endl;
  std::cout << sum<long>(x, y) << std::endl;

  double f = 1.5;
  double g = 2.5;
  swap(f, g);

  string s1 = "Ciao";
  string s2 = "Mondo";
  swap(s1, s2);

  MyClass m1(10);
  MyClass m2(20);
  swap(m1, m2);

  sum(m1, m2);

  Array a1(10, 2.3);
  Array a2(1000, -2.0);
  swap(a1, a2);
}