Source of destroyTree.cpp


  1: //  Created by Frank M. Carrano and Timothy M. Henry.
  2: //  Copyright (c) 2017 Pearson Education, Hoboken, New Jersey.

  4: template<class ItemType>
  5: void BinaryNodeTree<ItemType>::
  6:      destroyTree(std::shared_ptr<BinaryNode<ItemType>> subTreePtr)
  7: {
  8:    if (subTreePtr != nullptr)
  9:    {
 10:       destroyTree(subTreePtr–>getLeftChildPtr());
 11:       destroyTree(subTreePtr–>getRightChildPtr());
 12:       subTreePtr.reset(); // Decrement reference count to node
 13:    }  // end if
 14: }  // end destroyTree