When I overload the assignment operator for my simple class array, I get the wrong answer I espect
- by user299648
//output is "01234 00000" but the output should be or what I want it to be is
// "01234 01234" because of the assignment overloaded operator
#include <iostream>
using namespace std;
class IntArray
{
public:
IntArray() : size(10), used(0) { a= new int[10]; }
IntArray(int s) : size(s), used(0) { a= new int[s]; }
int& operator[]( int index );
IntArray& operator =( const IntArray& rightside );
~IntArray() { delete [] a; }
private:
int *a;
int size;
int used;//for array position
};
int main()
{
IntArray copy;
if( 2>1)
{
IntArray arr(5);
for( int k=0; k<5; k++)
arr[k]=k;
copy = arr;
for( int j=0; j<5; j++)
cout<<arr[j];
}
cout<<" ";
for( int j=0; j<5; j++)
cout<<copy[j];
return 0;
}
int& IntArray::operator[]( int index )
{
if( index >= size )
cout<<"ilegal index in IntArray"<<endl;
return a[index];
}
IntArray& IntArray::operator =( const IntArray& rightside )
{
if( size != rightside.size )//also checks if on both side same object
{
delete [] a;
a= new int[rightside.size];
}
size=rightside.size;
used=rightside.used;
for( int i = 0; i < used; i++ )
a[i]=rightside.a[i];
return *this;
}
