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Jakub Kozłowski

Scala Developer @ Scalac

Jakub is a young hAkker who spends his days breaking code, running and lifting in the late evenings. In his free time, if he has any, Jakub explores his other interests, which include coffee, playing bass and watching outstanding TV series.

Fantastic Monads and where to find them

Although Scala’s standard library doesn’t provide a lot of abstractions for functional programming known from languages like Haskell, there are projects out there which aim to fill that gap – one of them is Cats, a library that provides typeclasses, instances and additional constructs to Free (pun intended) us from the burden of writing the same code over and over again.
I’m going to show you the benefits of using these constructs in real world applications.