The following code implementation for an inorder traversal has a "visit" function as a parameter. I do not know how it works and what ways it plays a role in the traversal of the linked list in a binary tree. Linked Implementationtemplatevoid LinkedBSearchTree: :inorder (void visit(ItemType&),LinkedBTreeNode* treePtr){if (treePtr != nullptr){inorder (visit, treePtr->getLeftChild());ItemType theItem = treePtr->getItem () ;visit(theItem);inorder (visit, treePtr->getRightChild());}

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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The following code implementation for an inorder traversal has a "visit" function as a parameter. I do not know how it works and what ways it plays a role in the traversal of the linked list in a binary tree.

Linked Implementation
template<class ItemType>
void LinkedBSearchTree<ItemType>: :inorder (void visit(ItemType&),
LinkedBTreeNode<ItemType>* treePtr){
if (treePtr != nullptr){
inorder (visit, treePtr->getLeftChild());
ItemType theItem = treePtr->getItem () ;
visit(theItem);
inorder (visit, treePtr->getRightChild());
}

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