So, you are trying to grasp the concept of monads. If you are learning functional programming, understanding monads is a kind of rite of passage. Looking for monads on Google can be a bit daunting. The concept comes from category theory, so there are a lot of explanations starting from there.
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If you are new to functional programming in Scala, you probably have encountered libraries like cats-effect and ZIO. If you are attentive to the news in the Scala ecosystem, you have also heard that there is even a new kid on the block in the effect system neighbourhood, Kyo. What are they and why do we need them?
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The goal of this tutorial is to setup a fullstack app in Scala 3. The idea of this tutorial is to learn and understand the different pieces needed for a fullstack app in Scala. Thus, we are going through each step and explaining our every choice. We also link to relevant documentation.
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You’ve recently started learning functional programming and have been successful in writing functions, but then something unexpected happens. A wild functor appears! What is that? Why is it here? Don’t be scared, functors are a mathematical structure that arises from category theory, and they can be found everywhere in functional programming.
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In my latest post I presented ADTs in Scala 3. I also created a Youtube video about it (check it out here). Since the content was longer, I split it in three parts. This is the second part. We look at the differences between classes and ADTs. We discuss: Immutability Inheritance Public and private fields Methods Pattern matching This video is an introduction to ADTs in Scala for object-oriented developers.
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