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Hands-On Design Patterns with C++

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

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Product type Paperback
Published in Jul 2023
Publisher Packt
ISBN-13 9781804611555
Length 626 pages
Edition 2nd Edition
Languages
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Author (1):
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Fedor G. Pikus Fedor G. Pikus
Author Profile Icon Fedor G. Pikus
Fedor G. Pikus
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Table of Contents (26) Chapters Close

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

Policy-Based Design

Policy-based design is one of the most well-known C++ patterns. Since the introduction of the standard template library in 1998, few new ideas have been more influential on the way we design C++ programs than the invention of policy-based design.

A policy-based design is all about flexibility, extensibility, and customization. It is a way to design software that can evolve and can be adapted to the changing needs, some of which could not even be anticipated at the time when the initial design was conceived. A well-designed policy-based system can remain unchanged at the structural level for many years, and serve the changing needs and new requirements without compromise.

Unfortunately, it is also a way to build software that could do all of those things if only there was someone who could figure out how it works. The aim of this chapter is to teach you to design and understand the systems of the former kind while avoiding the excesses that lead to the disasters...

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