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Concept explainers
Purpose of the given code:
The given code is trying to destroy the members of a linked list by using a destructor. A destructor is called when the program ends or the destructor function calls.
Given Code:
//Definition of destructor
NumberList::~NumberList()//Line 1
{//Line 2
//Declaration of structure pointer variables
ListNode *nodePtr, *nextNode;//Line 3
//Storing "head" pointer into "nodePtr"
nodePtr = head;//Line 4
//loop
while (nodePtr != nullptr)//Line 5
{//Line 6
//Assign address of next into "nextNode"
nextNode = nodePtr->next;//Line 7
//Error
nodePtr->next=nullptr;//Line 8
//Assign nextNode into "nodePtr"
nodePtr = nextNode;//Line 9
}//Line 10
}//Line 11
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Chapter 17 Solutions
Starting Out with C++: From Control Structures through Objects, Brief Version plus MyLab Programming with Pearson eText - Access Card Package (8th Edition)
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