// Fig. 20.10: Book.h // Book class definition. #pragma once #include #include #include class Author; // forward declaration of class Author // Book class definition class Book { public: explicit Book(std::string_view bookTitle); ~Book(); // print the name of this Book's Author void printAuthorName(); std::string title; // title of the Book std::weak_ptr weakAuthorPtr; // Author of the Book std::shared_ptr sharedAuthorPtr; // Author of the Book }; /************************************************************************** * (C) Copyright 1992-2022 by Deitel & Associates, Inc. and * * Pearson Education, Inc. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * **************************************************************************/