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Crystal Programming

You're reading from Crystal Programming A project-based introduction to building efficient, safe, and readable web and CLI applications

Product type Paperback

Published in May 2022

Publisher Packt

ISBN-13 9781801818674

Length 356 pages

Edition 1st Edition

Languages

Crystal

Concepts

Programming Language

Authors (2):

George Dietrich

Guilherme Bernal

View More author details

Table of Contents (26) Chapters

Preface

1. Part 1: Getting Started

2. Chapter 1: An Introduction to Crystal FREE CHAPTER

3. Chapter 2: Basic Semantics and Features of Crystal

4. Chapter 3: Object-Oriented Programming

5. Part 2: Learning by Doing – CLI

6. Chapter 4: Exploring Crystal via Writing a Command-Line Interface

7. Chapter 5: Input/Output Operations

8. Chapter 6: Concurrency

9. Chapter 7: C Interoperability

10. Part 3: Learn by Doing – Web Application

11. Chapter 8: Using External Libraries

12. Chapter 9: Creating a Web Application with Athena

13. Part 4: Metaprogramming

14. Chapter 10: Working with Macros

15. Chapter 11: Introducing Annotations

16. Chapter 12: Leveraging Compile-Time Type Introspection

17. Chapter 13: Advanced Macro Usages

18. Part 5: Supporting Tools

19. Chapter 14: Testing

20. Chapter 15: Documenting Code

21. Chapter 16: Deploying Code

22. Chapter 17: Automation

23. Other Books You May Enjoy

Appendix A: Tooling Setup

1. Appendix B: The Future of Crystal

WebAssembly

WebAssembly is a new standard for a compilation target that is quickly growing in popularity, and not just on the web. It offers portability to run anywhere with near-native speed: web browsers, cloud servers, embedded devices, plugins, blockchains, and more. Also, it allows different languages to interoperate in a convenient format, and it is secure and verifiable before execution.

There is ongoing work to add targeting support to the compiler and the standard library, making it easy to write a Crystal program that can run anywhere and accepts WebAssembly. The Crystal 1.4.0 release shipped with the initial experimental implementation, with most of the standard library already working.

Please refer to issue #12002 for an up-to-date progress status.

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Authors (2)

George Dietrich

George Dietrich

George Dietrich is a software engineer, open-source aficionado, and Crystal community moderator. He holds a Master of Science degree in internet information systems and a Bachelor of Science degree in information sciences.

See other products by George Dietrich

Bernal

Bernal

Guilherme Bernal is the chief technology officer at Cubos Tecnologia. He holds a bachelor's degree in TI management. Guilherme co-founded a software development company and several tech start-ups, including one that focused on teaching programming skills to a new generation of developers. He is also a two-time world finalist in the coding competition, ACM ICPC.

See other products by Bernal

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