//
// Created by PC on 25-8-6.
//

#ifndef BINARYTREE_H
#define BINARYTREE_H
#include "binaryTreeNode.h"

template <class T>
class binaryTree {
public:
    virtual ~binaryTree() = default;
    virtual bool empty() const = 0;
    virtual int size() const = 0;
    virtual void preOrder(void(*) (binaryTreeNode<T>*) ) const = 0;
    virtual void inOrder(void(*) (binaryTreeNode<T>*) ) const = 0;
    virtual void postOrder(void(*) (binaryTreeNode<T>*) ) const = 0;
    virtual void levelOrder(void(*) (binaryTreeNode<T>*) ) const = 0;
};


#endif //BINARYTREE_H