Source of clear.cpp

Structures and functions

  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 LinkedBag<ItemType>::clear()
  6: {
  7:    Node<ItemType>* nodeToDeletePtr = headPtr;
  8:    while (headPtr != nullptr)
  9:    {
 10:       headPtr = headPtr->getNext();
 11:       
 12:       // Return node to the system
 13:       nodeToDeletePtr->setNext(nullptr);
 14:       delete nodeToDeletePtr;
 15:       nodeToDeletePtr = headPtr;
 16:    }  // end while
 17:    // headPtr is nullptr; nodeToDeletePtr is nullptr
 18:    
 19:         itemCount = 0;
 20: }  // end clear