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 Claims like "C++ is too hard to learn" or "C++ is obsolete" are often rooted in some truth, but they are outdated and fail to capture the language’s ongoing evolution and modern capabilities.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

The world around us moves in parallel very naturally. Each tree, plant, or person does their own thing, and occasionally they interact, and things change for the parties involved. So, we already have a mental model of how parallel programs could work: separate entities that encapsulate their behavior and communicate somehow, on an infrastructure that ensures proper synchronization.

This idea led to the creation of the Actor Model in 1973 by Carl Hewitt. This model splits a program into actors that can do three things:

  • Send messages to other actors
  • Create new actors
  • Define the behavior for the next message the actor receives

Each actor has an address that’s conceptually similar to an email address, and actors can only communicate with the actors whose addresses they have. This address can be received in a message or obtained by creating a new actor.

The actor model separates the communication mechanism from the functionality of each...

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