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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 Claims like "C++ is too hard to learn" or "C++ is obsolete" are often rooted in some truth, but they are outdated and fail to capture the language’s ongoing evolution and modern capabilities.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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The auto surprise

If you, dear reader, do remember that in Chapter 9, we had an interesting section called The definition of zero, then all is good. That’s because our next pitch will be about this highly influential number again. If you don’t remember that chapter, then life is still good, because hopefully, you have purchased a full book with all the chapters inside, and you can turn the pages back to read it (again).

Let’s consider the following program:

#include <iostream>
#include <typeinfo>
#include <string>
template<typename T> std::string typeof(T t) {
    std::string res = typeid(t).name();
    return res;
}
int main() {
    auto a1 = 0;
    auto a2(0);
    auto a3 {0};
    auto a4 = {0};
    std::cout << typeof(a1) << std::endl
        ...

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