In this beginner-friendly talk we'll try to find out using the power of Scala and functional programming techniques.

Have you ever wondered if it's worth catching a tram instead of walking or riding a bike? How slow is your tram on average?
In this beginner-friendly talk we'll try to find out using the power of Scala and functional programming techniques.
We'll learn how to build an API client, handle JSON, stream and combine the data using FS2 and Cats Effect.
Drawing on 25 years of experience as a professional musician and record producer, this will be a beginner focused talk introducing the use of Scala.js and the web audio api for building Scala powered Web Audio Applications.
In this talk, we’ll show first the different techniques we can use to apply constraints is our domains. Then, we’ll present Iron, its features, extensions, and integrations. We’ll finish by showcasing a fully integrated constraint-enforcing app.
In this talk, we will take a tour around the `error` function. Starting from the simple use-cases and ending up with sophisticated yet developer-friendly error messages.