Given the code: class Book { public: string title; string author; }; Write an internal function definition for a mutator function for this class.

Database System Concepts
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Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Given the code:
class Book {
public:
string title;
string author;
};
Write an internal function definition for a mutator function for this class.
Transcribed Image Text:Given the code: class Book { public: string title; string author; }; Write an internal function definition for a mutator function for this class.
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Step 1

What is a mutator function?

 

Such methods are used to modify the state of an object i.e. change the values of data members that belong to that object.

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