Node&           Astar::createNode(board_t& board)
{
    Node* newNode = new Node();

    newNode->board  = board;
    newNode->cost   = Manhattan::sum(board, this->goal);

    std::cout << &newNode << std::endl;

    return *newNode;
}

void            Astar::startNode(void)
{

    Node& currentNode   = this->createNode(this->board);
    currentNode.cost    = Manhattan::sum(this->board, this->goal);
    std::cout << &currentNode << std::endl;
    /*
    this->close.push_front(currentNode);
    std::cout << &this->close.begin() << std::endl;
    */
}