579: Highlights

• If you want to overload a binary operator, then instantiate the following pattern:

  data type operatoroperator symbol 
    (left parameter type and name, 
     right parameter type and name) { 
   body 
  } 
  

• If you want to overload the output operator, then instantiate the following pattern:

  ostream& operator<< 
    (ostream& output_stream, right parameter type and name) { 
    statements 
    return output_stream; 
  }