#include <iostream>
using namespace std ;

#include "myArray.h"


int main() {

   myArray A ;
   for (int i = 0 ; i < 5 ; i++) {
      A.append(i) ;
   }

   cout << "Use copy constructor:\n" ;
   myArray B(A) ;  // makes copy

   cout << "Use assignment operator:\n" ;
   myArray C, D ;
   D = C = A ;

   cout << "Now we have 4 copies.\n" ;
   A.data[0] = 1111 ;
   B.data[0] = 2222 ;
   C.data[0] = 3333 ;
   D.data[0] = 4444 ;

   cout << "A = " ;
   A.print() ;
   cout << "B = " ;
   B.print() ;
   cout << "C = " ;
   C.print() ;
   cout << "D = " ;
   D.print() ;

   cout << "\n\nUsing references...\n" ;
   myArray& aRef = A ;  // a reference, does not copy

   aRef.data[2] = 777 ;
   cout << "A = " ;
   A.print() ;
   cout << "aRef = " ;
   aRef.print() ;

   cout << "\n\nReassigning aRef...\n" ;
   aRef = B ;  // calls assignment operator, does copy
   aRef.data[2] = 888 ;
   cout << "B = " ;
   B.print() ;  // B is unchanged
   cout << "aRef = " ;
   aRef.print() ;
   cout << "A = " ;
   A.print() ;

}