ADTs (Algebraic Data Types) in Scala
10 min read • • Explanation
Discover ADTs (Algebraic Data Types) in Scala: Answers to all your questions about this essential concept
Articles written by 'Riccardo Cardin'
Riccardo Cardin
A proud alumnus of Rock the JVM, now a senior engineer working on critical systems written in Java, Scala and Kotlin.
Elevate Your Tests: Testing Functional Kotlin with Arrow and Raise
18 min read • • Guide
An extensive guide to testing functional Kotlin code using Arrow and the Raise DSL
FS2: More Than Functional Streaming in Scala
25 min read • • Guide
Discover the ultimate tutorial on purely functional streams in Scala with FS2
Functional Error Handling in Kotlin: Part 1 - Absent Values
21 min read • • Guide
Master error handling in Kotlin with ease: discover how nullable types and Arrow Option types tackle errors efficiently, whether you're using object-oriented or functional approaches
Functional Error Handling in Kotlin: Part 2 - Result and Either
28 min read • • Guide
Continue your functional error handling journey: explore how to effectively use the Result and Either data types in Kotlin
Functional Error Handling in Kotlin: Part 3 - The Raise DSL
41 min read • • Guide
Wrap up your Kotlin functional error handling journey: discover the Raise DSL in Arrow 1.2.0 for managing typed errors with Kotlin contexts
http4s: Unleashing the Power of HTTP APIs Library
29 min read • • Guide
Master functional programming basics: use http4s with the Cats ecosystem to seamlessly create powerful HTTP APIs
Kafka 101: Streams Quickly Explained
31 min read • • Explanation
Apache Kafka is the leading technology for message brokers: Kafka Streams builds a robust stateful streaming system on top of it
Kotlin 101: Context Receivers Quickly Explained
18 min read • • Guide
Explore Kotlin context receivers: a new feature for creating clean and manageable abstractions in Kotlin
Kotlin 101: Coroutines Quickly Explained
31 min read • • Guide
Discover Kotlin coroutines: a powerful tool for asynchronous programming within structured concurrency, and learn about their key features and strengths in this tutorial
Kotlin 101: Flows Quickly Explained
41 min read • • Guide
This article delves into Kotlin Flows: a crucial reactive data structure in Kotlin Coroutines that, once discovered, becomes indispensable
Kotlin 101: Type Classes Quickly Explained
18 min read • • Guide
Discover type classes in Kotlin: a powerful pattern to organize your code for improved readability, maintainability, and flexibility
Learning doobie for the Greater Good
31 min read • • Guide
JDBC struggles with side effects in functional programming: doobie offers a higher-level, effectful API through Cats and Cats Effect
Project Loom: Structured Concurrency in Java
49 min read • • Guide
In this article, we will explore the concept of structured concurrency and how Project Loom simplifies writing concurrent code in Java
The Ultimate Guide to Java Virtual Threads
33 min read • • Guide
Project Loom and virtual threads: Explore how they promise to bring modern concurrency paradigms from Kotlin and Scala to Java, even while still in preview
Value Classes in Scala Explained
12 min read • • Explanation
Discover a powerful technique for eliminating hard-to-trace bugs with ad-hoc type definitions: learn how Scala 2's newtypes and Scala 3's opaque types can enhance your code's safety and maintainability
ZIO Fibers: Concurrency and Lightweight Threads
12 min read • • Guide
Explore ZIO's unique fiber model for concurrency: see how it stands out from other effect libraries in the Scala ecosystem
ZIO Kafka: A Practical Streaming Tutorial
23 min read • • Guide
Discover how to leverage ZIO to seamlessly interact with Apache Kafka: the proven, scalable solution for reliable communication between distributed application components