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June 1st, 2023, ISSUE 484


Google Summer of Code 2023 Timeline

We are delighted to announce: the Scala Center has been accepted as a mentor organization for Google Summer of Code 2023!
Scala Center (@scala_lang)
Scala 3 Enums

In Scala, how do we model enumerations of values? What are the possible issues? How does Scala compare with Java? What are the changes in Scala 3?
Alexandru Nedelcu (@alexelcu)
fs2-kafka: hard choices, Pipes and Weaver tests

In this blogpost, Anton aims to make quick introduction to fs2.Pipe notion; discuss possibilities and limitations of turning error-flow into explicit pipeline; highlight some non-obvious aspects of offset commitment (especially when we distribute offsets over multiple streams).
Anton Kovalevsky (@antonkw_sky)
On the road to Scala 3

A story about steps taken towards migrating an advanced codebase, with all the important gotchas.
Shane Murphy (@smur89)
Encoding Base58: Understanding and implementing in Scala

I recently needed to convert to and from Base58. An existing crypto library was not an option, because I just needed one function exact function. However, I could not find a suitable Scala implementation, and the algorithm in the specification was unclear.
Edmundo Lopez Bobeda


Teach Your Web API To Speak Loud And Clear CLI!

In this presentation, Jorge Vasquez dives into a transformative feature of ZIO HTTP that will revolutionize the way you interact with your web APIs.
Jorge Vasquez (@jorvasquez2301)
Implementing a New ZIO Feature

You'll see firsthand how feature development in ZIO unfolds.
Adam Fraser (@adamfraser)
Performance Showdown: ZIO vs Akka-HTTP vs Rust

In a typical microservice scenario involving a JSON API making a database request to return a JWT, Willem compares the performance of each platform, all running against the same database.
Willem Vermeer (@willemvermeer)
ZIO Constraintless

By deferring the resolution of type class instances until interpretation, ZIO Constraintless offers unparalleled flexibility and modularity, empowering developers to customize DSLs while upholding type safety.
Afsal Thaj (@afsalt2)
100 Integration Tests Per Second - ZIO Meets Hexagonal Architecture

Piotr posits that the speed of iteration is a key enabler in engineering, and robust integration tests can significantly augment this process.
Piotr Gabryanczyk


How to get started with Scala & Video Games on JVM, June 12th, Wroclaw, Poland

Join the Wroclaw Scala User Group meetup!
Tomasz Godzik, Maciej Gorywoda
Why you should join us at Scala Days Seattle, June 5th - 7th

At Scala Days, you can explore the latest technology updates, interact with companies who use and help to improve Scala, learn new skills from some of the best Scala practitioners, and meet other enthusiastic Scala developers.
Xebia (@Xebia)
10% discount for the Scala 3 Metaprogramming (ALL-NEW) course for our readers!

Use code SCALATIMES10off and enjoy the course!
Ziverge (@zivergetech)
10% discount for LambdaConf, Sept 16th-19th, Boulder, Colorado

LambdaConf returns in its first edition after the pandemic, reimagined as a multi-disciplinary developer conference featuring thought-provoking, entertaining, and mind-blowing talks and workshops that will forever change the way you write software.
Ziverge (@zivergetech)
Call For Proposals - LambdaConf 2023

Send your talk and join LambdaConf!
Ziverge (@zivergetech)
Call for Volunteers - LambdaConf 2023

Become part of the team!
Ziverge (@zivergetech)
10% discount for Functional Scala, Nov 30th - Dec 1st, London

Use code ScalaTimesFS2023 and get our exclusive discount!
Ziverge (@zivergetech)


Scala 3.3.0 LTS

Here it is, the awaited Long Time Support release!
tapir 1.5.0

With possibility to ignore selected endpoints for logging, an update to path param error handling, plus some minor updates and refreshed dependencies.
tapir contributors
scala-cli 1.0.0

This version is going to become the official scala runner, replacing the old scala command.
scala-cli contributors

Sample trading domain model using Scala 3.
Debasish Ghosh (@debasishg)
zio-http v3.0.0-RC2

New release candidate brings quite a long list of updates and fixes!
zio-http contributors

Functional, stream-based CSV processor for Scala.
Robert Marek

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    Google Summer of Code 2023 Timeline. Scala 3 Enums. On the road to Scala 3. Encoding Base58: Understanding and implementing in Scala. Teach Your Web API To Speak Loud And Clear CLI!.

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