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Deciphering Object-Oriented Programming with C++ [WARNING: NOT FOR USE IN OTHER MATERIAL/SEE CONTRACT]

You're reading from   Deciphering Object-Oriented Programming with C++ [WARNING: NOT FOR USE IN OTHER MATERIAL/SEE CONTRACT] A practical, in-depth guide to implementing object-oriented design principles to create robust code

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Product type Paperback
Published in Sep 2022
Publisher Packt
ISBN-13 9781804613900
Length 594 pages
Edition 1st Edition
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Author (1):
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Dorothy R. Kirk Dorothy R. Kirk
Author Profile Icon Dorothy R. Kirk
Dorothy R. Kirk
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Table of Contents (30) Chapters Close

Preface 1. Part 1: C++ Building Block Essentials
2. Chapter 1: Understanding Basic C++ Assumptions FREE CHAPTER 3. Chapter 2: Adding Language Necessities 4. Chapter 3: Indirect Addressing – Pointers 5. Chapter 4: Indirect Addressing – References 6. Part 2: Implementing Object-Oriented Concepts in C++
7. Chapter 5: Exploring Classes in Detail 8. Chapter 6: Implementing Hierarchies with Single Inheritance 9. Chapter 7: Utilizing Dynamic Binding through Polymorphism 10. Chapter 8: Mastering Abstract Classes 11. Chapter 9: Exploring Multiple Inheritance 12. Chapter 10: Implementing Association, Aggregation, and Composition 13. Part 3: Expanding Your C++ Programming Repertoire
14. Chapter 11: Handling Exceptions 15. Chapter 12: Friends and Operator Overloading 16. Chapter 13: Working with Templates 17. Chapter 14: Understanding STL Basics 18. Chapter 15: Testing Classes and Components 19. Part 4: Design Patterns and Idioms in C++
20. Chapter 16: Using the Observer Pattern 21. Chapter 17: Applying the Factory Pattern 22. Chapter 18: Applying the Adapter Pattern 23. Chapter 19: Using the Singleton Pattern 24. Chapter 20: Removing Implementation Details Using the pImpl Pattern 25. Part 5: Considerations for Safer Programming in C++
26. Chapter 21: Making C++ Safer 27. Assessments 28. Index 29. Other Books You May Enjoy

Examining member function internals; the “this” pointer

So far, we have noticed that member functions are invoked through objects. We have noticed that in the scope of a member function, it is the data members (and other member functions) of the particular object that invoked the function that may be utilized (in addition to any input parameters). Alas, how, and why does this work?

It turns out that most often, member functions are invoked through objects. Whenever a member function is invoked in this fashion, that member function receives a pointer to the instance that invoked the function. A pointer to the object calling the function is then passed as an implicit first argument to the function. The name of this pointer is this.

Though the this pointer may be referred to explicitly in the definition of each such member function, it usually is not. Even without its explicit use, the data members utilized in the scope of the function belong to this, a pointer to...

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