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August 18th, 2022, ISSUE 442

READING

Selection functions are interesting notion with tricky implementation

Selection functions are the topic that is being actively researched. And research papers can quickly dive into the topic. And they could imply that readers have some related background. I intended to give practical guidance for the initial steps. I hope it can help to gain acknowledgment and not lose the narrative thread (in those papers).
Anton Kovalevsky (@antonkw_sky)
Tagless final  -  from a different perspective

This article is for scala developers who have heard about tagless final, but don’t know if they should use it in application development or not.
Daniel Balazs
Long-term compatibility plans for Scala 3

What does it mean in practice? What version of the compiler should I choose for my project?
Scala Center (@scala_lang)
Static Dynamics - Expression definable datatypes in Scala

Dynamic is a special trait that was introduced in 2.10 in order to allow somewhat dynamic types in Scala.
Mark Hammons (@MarkHammons)
Top Link of July: Foldable and Traverse with Scala and Cats

Let's revisit last month's highlight.
Francisco Perrotta

VIDEOS

Diamond Architecture - How to build HUMONGOUS Apps FAST! - Part 4 - The Grand Finale

This video is the result of the rewrite of the shopping cart application created in the book Practical Functional Programming in Scala by Gabriel Volpe to diamond architecture. It took 3 months, 28 live streams and almost 60 hours.
DevInsideYou (@DevInsideYou)
Zymposium - ZIO - API - DSL

Exploring zio-api, a new declarative DSL for describing API endpoints and generating servers, clients, and docs. We'll learn how it works in-depth by creating a simplified version of the library from scratch.
Kit Langton (@kitlangton)

EVENTS

Functional Scala 2022 CFP

Apply before October 15th.
Ziverge (@zivergetech)
ScalaCon 2022 CFP, October 4th-5th, virtual event

ScalaCon is looking for talks covering different areas of Scala. Talk slots are around 40-45 minutes in length with 5 minutes of Q&A time. CFP closes at May 12, 2022 16:50 UTC!
ScalaCon (@scalacon)
ZIO Hackathon, October 27th-28th, New York, USA & Online

We will share and learn about ZIO and related projects; chat about functional programming, functional Scala, and much more; work on fun projects; and get to know one another. No prior background knowledge of ZIO is assumed.
Ziverge (@zivergetech)
Functional Scala 2022, December 1st-2nd, London

Use our link and get a 10% discount for Scala Times readers!
Ziverge (@zivergetech)

RELEASES

scalac-options

A library for configuring scalac options.
David Gregory (@DavidGregory084)
Effect Zoo for Scala

Inspired by Effect Zoo for Haskell. A code gallery, where we can demonstrate and compare the syntax of different effect systems, when they are assigned the same task. Also a microbenchmark suite.
marcinzh
SynapseML

Microsoft Announces new Scala-based Integrations with OpenAI and MLFlow.
Microsoft
Metals v0.11.8 - Aluminium

Scala 3 auto import and completion for extension methods, convert to named parameters code action, as well as other improvements for both Scala 2 and Scala 3.

VARIA

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