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You're reading from Advanced C++ Programming Cookbook Become an expert C++ programmer by mastering concepts like templates, concurrency, and type deduction

Product type Paperback

Published in Jan 2020

Publisher Packt

ISBN-13 9781838559915

Length 454 pages

Edition 1st Edition

Languages

C++

Concepts

Programming Language

Author (1):

Dr. Rian Quinn

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Table of Contents (15) Chapters

Preface

1. Getting Started with Library Development

2. Using Exceptions for Error Handling FREE CHAPTER

3. Implementing Move Semantics

4. Using Templates for Generic Programming

5. Concurrency and Synchronization

6. Optimizing Your Code for Performance

7. Debugging and Testing

8. Creating and Implementing Your Own Container

9. Exploring Type Erasure

10. An In-Depth Look at Dynamic Allocation

11. Common Patterns in C++

12. A Closer Look at Type Deduction

13. Bonus - Using C++20 Features

14. Other Books You May Enjoy

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Converting from a std::unique_ptr into a std::shared_ptr

In this recipe, we will learn how to convert from a std::unique_ptr into a std::shared_ptr. This recipe is important as it is often convenient to define an API as accepting std::unique_ptr when the API itself really needs std::shared_ptr for internal use. A good example of this is when creating a GUI API. You might pass a widget to the API to store and own, without knowing if, later on down the road, the implementation of your GUI might need to add threads, in which case std::shared_pointer might be a better option. This recipe will provide you with the skills to convert a std::unique_ptr into a std::shared_ptr if needed, without having to modify the API itself.

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Authors (1)

Quinn

Dr. Rian Quinn is the Chief Technology Officer (CTO) in the Advanced Technologies Business Unit at Assured Information Security, Inc., having focused on trusted computing, hypervisor-related technologies, machine learning/artificial intelligence, and cybersecurity for more than 10 years, and has 9 years of technical management and business development experience. He holds a Ph.D. in computer engineering, with specializations in information assurance and computer architectures, from Binghamton University. He is the cofounder and lead developer of the Bareflank hypervisor, and is an active member of several open source projects, including Microsoft's Guideline Support Library (GSL) and OpenXT. Rian previously wrote Hands-On System Programming with C++.

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