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June 25th, 2020, ISSUE 332


Mastering modularity in ZIO with ZLayers

Writing modular applications is without a doubt very important in software engineering. It allows us to build software no matter the complexity involved. And composability has been one of the core principles of ZIO from the very beginning.
Jorge Vasquez
Scala/Mill: Step 1, Creating a new Mill project

In this tutorial I’ll share an example of how to use Mill on a little “Hello, world” example.
Alvin Alexander (@alvinalexander)
Cats Concurrency basics with Ref and Deferred

Ref and Deferred are the basic building blocks of structures in FP used in concurrent fashion.
Krzysztof Grajek (@grajo)


Tagless Final - Part 1 - What is Tagless Final?

This video is an overview of the Tagless Final (TF) approach.
DevInsideYou (@DevInsideYou)
Getting started with ZIO

Video recording of the first ZIO NYC Online Meetup.
Adam Fraser (@adamfraser)
A Tour of ZIO Streams

ZIO Streams is a Scala library for creating concurrent, asynchronous stream processing applications, based on the cutting edge functional effect system ZIO.
Itamar Ravid (@itrvd)


Functional, Type-safe, Testable Microservices with ZIO gRPC, July 16th, Online Webinar

Join us at 7:30 PM ET / 4:30 PM PT. Learn how to create and ship type-safe, testable microservices as you watch Nadav live code a simple and boilerplate-free service in just a few minutes!
Navad Samet (@thesamet)
Configuration management in Scala using zio-config, July 23rd, Online Webinar

Join us at 10:00 AM GMT+1. During the session, we uncover more capabilities of zio-config, from simple examples to complex use-cases.
Afsal Thaj (@afsalt2)
Testing with Scala by Adam Fraser, July 28th-31st, 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)


Spark 3.0.0

Based on Scala 2.12 with adaptive query execution; dynamic partition pruning; ANSI SQL compliance; significant improvements in pandas APIs; new UI for structured streaming; up to 40x speedups for calling R user-defined functions and many more updates.
Spark contributors
ScalaTest 3.2.0

The main change in ScalaTest 3.2.0 is carrying out the modularization that we prepared for in 3.0.8 and 3.1.0.
ScalaTest contributors (@scalatest)
Dotty 0.25.0-RC2

Dedicated type for empty tuples, Avoid excessive slowdowns when suggesting missing imports in error messages.
Dotty contributors

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  11. Scala Times Issue #334

    Scaling Event Bus. One-click install for Scala. Visual Scala reference. Functional, Type-safe, Testable Microservices with ZIO gRPC, July 16th, Online Webinar. Configuration management in Scala using zio-config, July 23rd, Online Webinar.

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  13. Scala Times Issue #332

    Mastering modularity in ZIO with ZLayers. Scala/Mill: Step 1, Creating a new Mill project. Cats Concurrency basics with Ref and Deferred. Tagless Final - Part 1 - What is Tagless Final?. Getting started with ZIO.

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