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Debunking C++ Myths

Debunking C++ Myths

By : Alexandru Bolboacă, Ferenc-Lajos Deák
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Debunking C++ Myths

Debunking C++ Myths

By: Alexandru Bolboacă, Ferenc-Lajos Deák

Overview of this book

Think you know C++? Think again. For decades, C++ has been clouded by myths and misunderstandings—from its early design decisions to misconceptions that still linger today. Claims like "C++ is too hard to learn" or "C++ is obsolete" are often rooted in some truth, but they are outdated and fail to capture the language’s ongoing evolution and modern capabilities. Written by industry veterans with over 40 years of combined experience, this book uncovers the myths, exploring their origins and relevance in the context of today’s C++ landscape. It equips you with a deeper understanding of advanced features and best practices to elevate your projects. Each chapter tackles a specific misconception, shedding light on C++'s modern features, such as smart pointers, lambdas, and concurrency. You’ll learn practical strategies to navigate common challenges like code portability and compiler compatibility, as well as how to incorporate modern best practices into your C++ codebase to optimize performance and future-proof your projects. By the end of this book, you’ll have a comprehensive understanding of C++'s evolution, equipping you to make informed decisions and harness its powerful features to enhance your skills, coding practices, and projects.
Table of Contents (15 chapters)
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Is C really forward-compatible with C++?

This chapter will be a bit of exploration, covering most of the banally boring bothersome beliefs concerning whether C++ is really backward compatible with C. As we were indoctrinated through the decades by our tutors, teachers, and trainers, C++ is mostly backward compatible with C. This means that much of C code can be compiled and run in C++ with little modification, as they share similar syntax and standard libraries.

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C and C++ may be closely related, like two siblings in a dysfunctional family, but still have many differences, leading to a love-hate relationship when it comes to compatibility. However, over time, the two languages have diverged significantly. According to the core rules, C is more permissive with looser typing rules, especially around pointers, and allows constructs like implicit pointer conversions, which C++ strictly forbids. For instance,...

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