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May 21st, 2020, ISSUE 327

READING

Time traveling in tests with Cats Effect

A short recipe for making your time-dependent tests pass immediately.
Krzysztof Ciesielski (@kpciesielski)
Lightbend To Contribute Commercial Features To Akka Open Source

Akka Split Brain Resolver and Akka Multi-DC Persistence become open source.
Lightbend (@lightbend)
Architecting a flexible and purely functional Scala back-end using Slick and Tagless Final

The end result is application code which uses Scala’s strong type system to its maximum whilst being more flexible, testable and maintainable.
Christian Johnston
Functional error handling with monads, monad transformers and Cats MTL

How to deal with errors in a pure way, leveraging typeclasses like MonadError and FunctorRaise.
Guillaume Bogard (@bogardguillaume)
Akka Stream Coexistence With Akka Typed

Learn what's the best way to use streams with new Akka Actors.
Bora Kaplan
Orchestrating startup and shutdown in Scala

A set of abstractions to manage the lifecycle of any Scala process, from small console apps to large-scale distributed Akka cluster applications.
Jonas Chapuis (@JonasChapuis)
Top Link of April: The Death of Hype: What's Next for Scala

Haoyi's vision captivated our readers last month, make sure you've read it!
Li Haoyi (@li_haoyi)

PRESENTATIONS

Circe - Part 3.1 - Integrations & Extras (refined, lightbend config, fs2, http4s and Scala.js)

In this video we will talk about a couple of circe's external modules and integrations with the rest of the ecosystem (refined, lightbend config, fs2, http4s and Scala.js). This is part 1/2.
DevInsideYou (@DevInsideYou)

EVENTS

Virtual Scala in the City Conference, May 28th

Call for Speakers is open! Scala in the City Conference is for anyone who is passionate about learning and sharing their Scala and Functional programming knowledge.
Signify Technology (@Signify_Tech)
Akka Typed Fundamentals, June 12th, Online Workshop

Explore important patterns and takeaways from introducing Akka Typed on production. No previous knowledge of Akka stack is required, although users experienced with Classical Akka will also benefit from this workshop.
SoftwareMill (@softwaremill)
Stream Processing with Scala by Itamar Ravid, June 15th, Online Workshop

Use promo code SCALATIMES for a 10% discount for our readers!
ziverge (@zivergetech)
Testing with Scala by Adam Fraser, June 29th, Online Workshop

Use promo code SCALATIMES for a 10% discount for our readers!
Ziverge (@zivergetech)
Functional Scala, December 3th-4th, London

Learn the critical topics you need to excel as a Scala developer, and celebrate the Scala programming language and community.
Ziverge (@zivergetech)

RELEASES

ztapir

The tapir-zio module defines type aliases and extension methods which make it more ergonomic to work with ZIO and tapir.
ztapir contributors

VARIA

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