//
// ex13_28.cpp
// Exercise 13.28
//
// Created by pezy on 1/20/15.
//
// Given the following classes, implement a default constructor and the necessary copy-control members.

#include "ex13_28.h"

TreeNode& TreeNode::operator=(const TreeNode &rhs)
{
 ++*rhs.count;
 if (--*count == 0) {
 delete left;
 delete right;
 delete count;
 }
 value = rhs.value;
 left = rhs.left;
 right = rhs.right;
 count = rhs.count;
 return *this;
}

BinStrTree& BinStrTree::operator=(const BinStrTree &bst)
{
 TreeNode *new_root = new TreeNode(*bst.root);
 delete root;
 root = new_root;
 return *this;
}

int main()
{
 return 0;
}