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.
Advanced C++ Programming Cookbook
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Advanced C++ Programming Cookbook
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Overview of this book
If you think you've mastered C++ and know everything it takes to write robust applications, you'll be in for a surprise. With this book, you'll gain comprehensive insights into C++, covering exclusive tips and interesting techniques to enhance your app development process.
You'll kick off with the basic principles of library design and development, which will help you understand how to write reusable and maintainable code. You'll then discover the importance of exception safety, and how you can avoid unexpected errors or bugs in your code. The book will take you through the modern elements of C++, such as move semantics, type deductions, and coroutines. As you advance, you'll delve into template programming - the standard tool for most library developers looking to achieve high code reusability. You'll explore the STL and learn how to avoid common pitfalls while implementing templates. Later, you'll learn about the problems of multithreaded programming such as data races, deadlocks, and thread starvation. You'll also learn high-performance programming by using benchmarking tools and libraries. Finally, you'll discover advanced techniques for debugging and testing to ensure code reliability.
By the end of this book, you'll have become an expert at C++ programming and will have gained the skills to solve complex development problems with ease.
Table of Contents (15 chapters)
Preface
Getting Started with Library Development
Free Chapter
Using Exceptions for Error Handling
Implementing Move Semantics
Using Templates for Generic Programming
Concurrency and Synchronization
Optimizing Your Code for Performance
Debugging and Testing
Creating and Implementing Your Own Container
Exploring Type Erasure
An In-Depth Look at Dynamic Allocation
Common Patterns in C++
A Closer Look at Type Deduction
Bonus - Using C++20 Features
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