#include <iostream>
#include "point.h"
#include "mazequeue.h"

using namespace std;


// The enqueue operation
void MazeQueue::remember(MazeElement* e)
{
  q.push_back(e);
}

// The dequeue operation
MazeElement* MazeQueue::getNext(void)
{
  MazeElement* ret = q.front();
  q.pop_front();
  return ret;
}

// Get the number of elements still in the queue
int MazeQueue::getLen()
{
  return q.size();
}