Let's use what we've learned so far in this chapter to write a small program that creates a deck of cards, shuffles it, and draws five cards from the top of the deck. To do so, we'll use Belt's Option and List modules, as well as the fast pipe operator.
ReasonML Quick Start Guide
By :
ReasonML Quick Start Guide
By:
Overview of this book
ReasonML, also known as Reason, is a new syntax and toolchain for OCaml that was created by Facebook and is meant to be approachable for web developers. Although OCaml has several resources, most of them are from the perspective of systems development. This book, alternatively, explores Reason from the perspective of web development.
You'll learn how to use Reason to build safer, simpler React applications and why you would want to do so. Reason supports immutability by default, which works quite well in the context of React.
In learning Reason, you will also learn about its ecosystem – BuckleScript, JavaScript interoperability, and various npm workflows. We learn by building a real-world app shell, including a client-side router with page transitions, that we can customize for any Reason project. You'll learn how to leverage OCaml's excellent type system to enforce guarantees about business logic, as well as preventing runtime type errors.You'll also see how the type system can help offload concerns that we once had to keep in our heads.
We'll explore using CSS-in-Reason, how to use external JSON in Reason, and how to unit-test critical business logic. By the end of the book, you'll understand why Reason is exploding in popularity and will have a solid foundation on which to continue your journey with Reason.
Table of Contents (10 chapters)
Preface
Free Chapter
Introduction to ReasonML
Setting Up a Development Environment
Creating ReasonReact Components
BuckleScript, Belt, and Interoperability
Effective ML
CSS-in-JS (in Reason)
JSON in Reason
Unit Testing in Reason
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