// Oldham, Jeffrey D.
// 2000 Jan 18
// CS1321

// Example of Using the Linked List Class Code

#include <iostream>
#include <cstdlib>              // has EXIT_SUCCESS
#include "seq.h"                // has linked list declarations
using namespace std;

// Add all the values in a list.
int adder(Seq<int> L) {
  if (L.empty())
    return 0;
  else if (!L.empty())
    return L.hd() + adder(L.tl());
}

int main()
{
  Seq<int> L = Seq<int>(4, Seq<int>(3, Seq<int>()));
  if (!L.empty())
    cout << "The list is not empty.\n";
  cout << "The total of the list is " << adder(L) << ".\n";
  cout << "Bye!\n";

  return EXIT_SUCCESS;
}