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John A De Goes

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Recent Articles

The False Hope of Managing Effects with Tagless-Final in Scala

Using tagless-final to manage effects has seen some buy-in in the Scala community, but the benefits are questionable and the drawbacks significant

Why I'm Stepping Back from Scalaz

After more than two years of evangelizing Scalaz, I'm stepping back, and here's why.

ZIO & Cats Effect: A Match Made in Heaven

ZIO is a compelling effect type for working with the great Cats Effect ecosystem.

The Functional Scala Concurrency Challenge

A fun little challenge to improve your skills using FP for concurrency.

Testing Incrementally with ZIO Environment

Environmental effects let you easily, quickly, and incrementally build tesable services.