#include <string>
#include "studentRoll.h"

StudentRoll::StudentRoll() {
  head = tail = NULL;
}

void StudentRoll::insertAtTail(const Student &s) {
  // STUB
}

std::string StudentRoll::toString() const {
  return "stub";
}

StudentRoll::StudentRoll(const StudentRoll &orig) {
  // STUB
  head = tail = NULL;
}

StudentRoll::~StudentRoll() {
  // STUB
}

StudentRoll & StudentRoll::operator =(const StudentRoll &right ) {
  // The next two lines are standard, and you should keep them.
  // They avoid problems with self-assignment where you might free up 
  // memory before you copy from it.  (e.g. x = x)

  if (&right == this) 
    return (*this);

  // TODO... Here is where there is code missing that you need to 
  // fill in...


  // KEEP THE CODE BELOW THIS LINE
  // Overloaded = should end with this line, despite what the textbook says.
  return (*this); 
  
}