Mark Canlas

Sometimes we want to keep or collect errors for later examination. We'll use Cats to help us pick the story we want to tell when handling errors; accumulated errors or first error wins. Monads will...

Nulls. Exceptions. We've all been there. But what's the alternative? Lucky us, Scala gives us three solutions out of the box. Learn how to be more functional about handling your errors. There might...

Implicits. Dark magic or powerful tool? Learn about Scala's most unique and powerful feature, the different kinds of implicits, and where they are best to use. You too can be a functional implicit ...

Haskell, the infamous! Improve your functional programming in Scala by learning a tiny bit of Haskell and revealing the true essence behind type classes and data classes.

Take your functional programming journey into overdrive with this introductory guide to type classes. Learn how libraries like Cats and Scalaz unlock the power of type classes! You'll never look at...

Monad, Monoid, Functor, Semigroup. What's the difference!? Become a type class master with these handy visual aids! Learn their powers and the relationships between them. Gotta catch 'em all!