Scala with Cats
by Noel Welsh, Dave Gurnell
Publisher: Underscore Consulting 2017
Number of pages: 325
The main goal of this book is to teach system architecture and design using the techniques of modern functional programming. This means designing systems as small composable units, expressing constraints and interactions via the type system, and using composition to guide the construction of large systems in a way that maintains the original architectural vision.
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by Cay Horstmann - Addison-Wesley
A rapid, code-based introduction that's relentlessly practical and useful. Every concept and technique in Scala for the Impatient is presented in blog-size chunks that can be digested quickly and reviewed as needed for specific tasks.
by David Copeland - naildrivin5.com
Scala is an object-functional programming and scripting language for general software applications, statically typed, designed to concisely express solutions. This book is my own 're-telling' of the tour of Scala from the official Scala website.
by Martin Odersky - EPFL
Scala is a concise, elegant, type-safe programming language that integrates object-oriented and functional features. This book is an excellent step-by-step introduction to many of the Scala features with the help of simple code examples.
- Scala Community
This document outlines some basic Scala stylistic guidelines which should be followed with more or less fervency. Wherever possible, this guide attempts to detail why a particular style is encouraged and how it relates to other alternatives.