Crystal is a programming language with a concise and user-friendly syntax, along with a seamless system and a performant core, reaching C-like speed. This book will help you gain a deep understanding of the fundamental concepts of Crystal and show you how to apply them to create various types of applications.
This book comes packed with step-by-step explanations of essential concepts and practical examples. You'll learn how to use Crystal’s features to create complex and organized projects relying on OOP and its most common design patterns. As you progress, you'll gain a solid understanding of both the basic and advanced features of Crystal. This will enable you to build any application, including command-line interface (CLI) programs and web applications using IOs, concurrency and C bindings, HTTP servers, and the JSON API.
By the end of this programming book, you’ll be equipped with the skills you need to use Crystal programming for building and understanding any application you come across.
publication date
2022-05-27
what you will learn
Explore how Crystal combines the merits of other languages
Understand how to leverage existing C libraries without writing any C
Focus on zero-cost abstractions with compile-time macros
Use an example-based approach to demonstrate language features
Develop a variety of Crystal applications, such as web and CLI apps
Gain an understanding of the macro API and annotations
key features
The book uses an example-based approach for a better demonstration of the underlying concepts * Develop a thorough appreciation of the roles of the macro API and annotations * Leverage supportive tools – spec, documentation, deployment, and automation
approach
With the help of step-by-step explanations of essential concepts and practical examples, the book will help readers learn the basics of Crystal, move on to discovering how to apply them to create various types of applications, including CLIs and Web Applications, and also acquire an understanding of the world of metaprogramming.
audience
Developers who want to learn Crystal programming or anyone looking to improve their ability to solve real-world problems using the language will find this book helpful. Experience in application development using any other programming language is expected. However, prior knowledge of Crystal is not required.
short description
This book is a practical guide to using the Crystal programming language. It takes a hands-on approach to implementation and associated methodologies for solving real-world problems that will have you up and running and productive in no time.
subtitle
A project-based introduction to building efficient, safe, and readable web and CLI applications
keywords
Crystal programming language, programming languages, command line interfaces, web applications, object-oriented programming, metaprogramming, concurrency, macros, annotations, testing, deployment
Product ISBN
9781801818674
