Algebraic Data Types (ADT) in Scala
Every developer using Scala meets the acronym ADT sooner or later. In this article, we will try to answer all of your questions about ADTs.
Recent posts
Objects and Companions in Scala
This article is for the starting Scala programmer: an introduction to singleton objects and companions in Scala, what they can do, and why and where we shoul...
What the Functor?
In this article, we’ll explore one of the most used (and useful) concepts in pure functional programming: the Functor. Pretty abstract, so buckle up.
2020 Retrospective (and What’s Coming in 2021)
In this article I’ll wrap 2020 and share a few insights, achievements and changes, and I’ll project some plans for the future of Rock the JVM.
Immutable Doubly Linked Lists in Scala with Call-By-Name and Lazy Values
I’ll show you a technique to use lazy values and call-by-name for recursive value definitions and implement a fully immutable doubly-linked list in Scala.
Scala 3: Path-Dependent Types, Type Projections, Dependent Methods and Functions
This quick tutorial will show you what dependent types are and how they work in Scala 3, along with dependent methods and functions.
Givens vs. Implicits in Scala 3
From the previous article, you know how givens work. Let’s compare them with the old Scala implicits.
Given and Using Clauses in Scala 3
The given/using clauses are some of the most important features of Scala 3. Read on for the essential concepts and how to use them.”
Variance Positions in Scala, Demystified
We’ll take a look at the famous “covariant type occurs in contravariant position” problem, and what we can do about it.
Let’s Talk About the Scala 3 Indentation
Some people love it, some hate it. Scala 3 indented syntax is not that bad, and it might actually help. Let’s take a look at how Scala 3 can change the struc...