/**
* @constructor
*/
function Node(data) {
this._data = data;
this._next = null;
};
/**
* @constructor
*
*/
function CircularLinkedList() {
this._head = null;
this._current = null;
this._length = 0;
};
/**
* Utility method to create circular linkedlist
*
* .createCircular()
*
* @return {void}
*
*/
CircularLinkedList.prototype.add= function createCircular(data) {
var node = new Node(data);
if (!this._head) {
this._head = this._current = node;
node._next = this._head;
} else {
this._current.next = node;
this._current = node;
node._next = this._head;
}
}
module.exports = CircularLinkedList;