Michał Płachta

Makes things alive using computers. For fun and for living.

Polyglot software engineer specialised in developing distributed applications. Functional programming enthusiast. Loves the human component in software projects. Drinks a lot of tea. Has a blog at michalplachta.com. He currently works as team leader at Ocado Technology, where he is building actor-based software for automated warehouse.

You will learn how simple functional patterns can be used to make your business logic cleaner and more testable.

Asynchronous programming brings a lot of Futures to your code. Bad news is that they are not essential to what your application really does… You end up with Futures of assertions in your unit tests or, even worse, with Await or expectNoMsg calls.

This is a live coding talk. First I will code an application using Futures in both business logic and unit tests. Then I will get rid of Futures without losing asynchronicity. In the second part, I will do a step by step refactoring of a simple Akka actor system. In both cases I will use typeclasses from Cats library.

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