You're reading from Hands-On Design Patterns with C++ Solve common C++ problems with modern design patterns and build robust applications

Product type Paperback

Published in Jul 2023

Publisher Packt

ISBN-13 9781804611555

Length 626 pages

Edition 2nd Edition

Languages

C++

Concepts

Design Patterns

Author (1):

Fedor G. Pikus

Preface

1. Part 1: Getting Started with C++ Features and Concepts

2. Chapter 1: An Introduction to Inheritance and Polymorphism FREE CHAPTER

3. Chapter 2: Class and Function Templates

4. Chapter 3: Memory and Ownership

5. Part 2: Common C++ Idioms

6. Chapter 4: Swap – from Simple to Subtle

7. Chapter 5: A Comprehensive Look at RAII

8. Chapter 6: Understanding Type Erasure

9. Chapter 7: SFINAE, Concepts, and Overload Resolution Management

10. Part 3: C++ Design Patterns

11. Chapter 8: The Curiously Recurring Template Pattern

12. Chapter 9: Named Arguments, Method Chaining, and the Builder Pattern

13. Chapter 10: Local Buffer Optimization

14. Chapter 11: ScopeGuard

15. Chapter 12: Friend Factory

16. Chapter 13: Virtual Constructors and Factories

17. Chapter 14: The Template Method Pattern and the Non-Virtual Idiom

18. Part 4: Advanced C++ Design Patterns

19. Chapter 15: Policy-Based Design

20. Chapter 16: Adapters and Decorators

21. Chapter 17: The Visitor Pattern and Multiple Dispatch

22. Chapter 18: Patterns for Concurrency

23. Assessments

24. Index

25. Other Books You May Enjoy

Chapter 14, The Template Method Pattern and the  Non-Virtual Idiom

A behavioral pattern describes a way to solve a common problem by using a specific method to communicate between different objects.
The template method pattern is a standard way to implement an algorithm that has a rigid skeleton, or the overall flow of control, but allows for one or more customization points for specific kinds of problems.
The Template Method lets the sub-classes (derived types) implement specific behaviors of the otherwise generic algorithm. The key to this pattern is the way the base and the derived types interact.
The more common hierarchical approach to design sees the low-level code provide building blocks from which the high-level code builds the specific algorithm, by combining them in a particular flow of control. In the template pattern, the high-level code does not determine the overall algorithm and is not in control of the overall flow. The lower-level code controls...