#include "simple_ll.h"

using namespace std;

ListNode::ListNode(const int &element, ListNode* nextPtr)
{
        num = element;
        next = nextPtr;
}


List::List()
{
   first = 0;
}

void List::add(int myNum)
{
   ListNode* l;
   l = new ListNode(myNum, first);
   first = l;
}

void List::showList()
{
   ListNode* l;
   l = first;

   cout << endl << "Here is the list:  ";

   while (l != 0)
   {
      cout << l->num << "  ";
      l = l->next;
   }

   cout << endl << endl;
}

void List::showListAddresses()
{
   ListNode* l;
   l = first;
   cout << endl << "Here are the list addresses:  ";
   while (l != 0)
   {
      cout << endl << "l is pointing to " << l 
	   << endl << "    That node's num field has contents of" 
	   << setw(8) << l->num;
      cout << endl << "        Its next field has contents of "
	   << l->next
	   << endl;   
      l = l->next;
   }

   cout << endl;
}