This three-day course is aimed at the working Scala developer who wants to learn to use the best parts of Scala to write code that is type safe, modular, and extensible.

Most Scala developers have a background in imperative and object-oriented languages like Java, Ruby, or Python, and start using Scala in this style. To get the most out of Scala we need to adopt the new tool that Scala brings to the table, which is the functional style of coding. This training course covers the key functional programming patterns, and the Scala language features needed to implement them. Our experiences in writing Scala code over many years is that these patterns cover the majority of our code. Code written in this style uses is simple to read and write, because it uses only a few key ideas over and over again, and it leverages the type system to have maximum safety.

The curriculum covers three main patterns:

algebraic data types and structural recursion, for straightforward representation and transformation of data respectively;
sequencing computations with `map`, `flatMap`, and `fold`; and
type classes, for highly modular and extensible interfaces.

The course spends two days covering the basic patterns, and a full day at the end dedicated to case studies. This is a great opportunity so bring problems from your work to the class and have our expert instructor show how you can use the new tools in Scala to solve them.

Attending will receive a free copy of the book "Essential Scala", along with lifetime updates to the material.

Attendees should bring their own laptop, with Scala and the development environment of their choice preinstalled.

About the instructor:

Adam Rosien is an associate at Underscore, where he writes code, teaches classes, and mentors organisations large and small in the efficient adoption of Scala. He previously helped various startups in many domains develop back-end systems and implement continuous deployment practices, and also spent five years as a developer at Xerox PARC.

Essential Scala

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