#epp "defmacro"

defmacro max(a, b)  (a > b ? a : b)
defmacro swap(t, a, b) {t tmp; tmp = a; a = b; b = tmp;}

class Testdefmacro {
  public static void main(String argv[]){

    System.out.println(max(5, 10) == 10);

    int a = 1, b = 2;
    System.out.println(a == 1 && b == 2);
    swap(int, a, b);
    System.out.println(a == 2 && b == 1);
  }
}