A free, once-weekly Scala news flash. Easy to unsubscribe. Goes out every Thursday.
September 8th, 2022, ISSUE 445

READING

Containers Redux - Capturing Type Class information for myriad types

Learn an interesting way to handle C library bindings using the new foreign interface in Java 17 and up.
Mark Hammons (@MarkHammons)
Why We Are Changing the License for Akka

The new license for Akka is the Business Source License (BSL) v1.1.
Lightbend (@lightbend)

VIDEOS

ZIO Streams, Part 3: A Bigger Example

This video uses what we learned in the previous videos about ZIO Streams in Scala, and turns that skill into a bigger example: processing more-or-less fictitious blog posts in Markdown, with automatic tag capture, link creation and indexing for powerful search in a Markdown-based blog, all with native stream components.
Daniel Ciocîrlan (@rockthejvm)
SIP-44 - FEWER BRACES in Scala3

I tried to use fewerBraces on a real Scala3 code base and this is what happened.
DevInsideYou (@DevInsideYou)

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

Scala 3.2.0

Support for code coverage, exports in extension clauses, code completion for refined types, improved Mirror synthesis, easier use of class constructors with using clauses, given instances in for-comprehension, statistics about code complexity, and new experimental APIs.
Scala contributors
nyaya 1.1.0

Nyaya is a Scala/Scala.JS library to test properties using random data, generate random data and other related purposes.
David Barri (@japgolly)
shardcake

Shardcake is a Scala open source library that makes it easy to distribute entities across multiple servers and interact with those entities using their ID without knowing their actual location (this is also known as location transparency). Shardcake exposes a purely functional API and depends heavily on ZIO.
Pierre Ricadat (@ghostdogpr)





  1. Scala Times Issue #447

    Migrating from Akka HTTP to tapir. How to make Akka serialization bulletproof. Manage library breaking changes with Scalafix. Akka Fork FUD. SBT in Scala (part 1).


  2. Scala Times Issue #446

    Reconciling Spark APIs for Scala. Scripting with Scala. ING Contact Center 2.0  -  Creating Resilient APIs. Functional event sourcing with cats-effect. ZIO Streams Part 1 (The Channel Type).


  3. Scala Times Issue #445

    Containers Redux - Capturing Type Class information for myriad types. Why We Are Changing the License for Akka. ZIO Streams, Part 3: A Bigger Example. SIP-44 - FEWER BRACES in Scala3. Functional Scala 2022 CFP.


  4. Scala Times Issue #444

    Learn Scala 3 The Fast Way!. Implementing Raft using Project Loom. How to prevent Scala 3 compiler regressions with Community Build. Scala is Improving. Tooling Talks - Scaladoc from Scratch.


  5. Scala Times Issue #443

    Implementing Raft using a functional effect system. Reactive Event Sourcing benchmarks, part 1: PostgreSQL. Functional Scala 2022 CFP. ScalaCon 2022 CFP, October 4th-5th, virtual event. ZIO Hackathon, October 27th-28th, New York, USA & Online.


  6. Scala Times Issue #442

    Selection functions are interesting notion with tricky implementation. Tagless final  -  from a different perspective. Long-term compatibility plans for Scala 3. Static Dynamics - Expression definable datatypes in Scala. Top Link of July: Foldable and Traverse with Scala and Cats.


  7. Scala Times Issue #441

    The future of effects in Scala?. ZIO 2 dot Ohhhhh!. Functional Programming Crash Course for Scala Beginners. Functional Scala 2022 CFP. ScalaCon 2022 CFP, October 4th-5th, virtual event.


  8. Scala Times Issue #440

    Teach Programming with Scala. CQRS with Scala, Akka, and Cassandra. Lambda Days, July 28th-29th, Kraków, Poland. Functional Scala 2022 CFP. ScalaCon 2022 CFP, October 4th-5th, virtual event.


  9. Scala Times Issue #439

    A Prelude of Purity: Scaling Back ZIO. Scala Improvement Process - Evolving Scala openly and collaboratively. Secure the Dependencies of your Scala Project on Github. Type safety with refined. Architecture of Metals.


  10. Scala Times Issue #438

    NonEmptyLists more or less. Cats vs ZIO. ScalaWAW #22 - garden grill party, July 20th, Warsaw, Poland. Lambda Days, July 28th-29th, Kraków, Poland. Functional Scala 2022 CFP.


  11. Scala Times Issue #437

    Foldable and Traverse with Scala and Cats. Ergonomics of end markers. Functional Scala 2022 CFP. Lambda Days, July 28th-29th, Kraków, Poland. ScalaCon 2022 CFP, October 4th-5th, virtual event.


  12. Scala Times Issue #436

    Persistent data structures in functional programming. Concurrent Sudoku Solver: Part 4 - Using FS2 Stream + Topic. Scala or Go: Who Wore It Better?. Fields  -  Scala Validation Library. Zymposium - Derivable Differs.


  13. Scala Times Issue #435

    Scala at Prezi: Introduction of ZIO. First 5 years of the Scala Center. Disjoint Graph Unions: Performance Case Study. Functional Scala 2022 CFP. Lambda Days, July 28th-29th, Kraków, Poland.


  14. Scala Times Issue #434

    Creating CLI tools leveraging ZIO and Decline using scala-cli. Apache Spark 3.0 Exciting Capabilities. Validation in Scala 3 with Cats. ZLayers in ZIO 2.0 are a totally different BEAST!. It's time to traverse (SPFS #11).


  15. Scala Times Issue #433

    Structuring ZIO 2 applications. What are ZIO Effect Constructors?. Roadmap to a Successful Data Engineer. Creating an SBT Project Template using Giter8. ScalaWAW #21, June 9th, 2022, Warsaw, Poland.


  16. Scala Times Issue #432

    Free Monad in Scala. Tracking Side Effects in Scala. Concurrent Sudoku Solver: Part 3 - Using Cats Effect Queue. Data validation using cats Validated. Resource safety is hard - SPFS #10.


  17. Scala Times Issue #431

    You already know Monad(ic) stuff. Top Link Of April: Dependency management in Scala. Lambda Days, July 28th-29th, Kraków, Poland. ScalaCon 2022 CFP, October 4th-5th, virtual event. Functional Scala 2022, December 1st-2nd, London.


  18. Scala Times Issue #430

    OOP vs Type Classes, Part 1: Ideology. Scala Generics: A Gentle Introduction. Lambda Days, July 28th-29th, Kraków, Poland. ScalaCon 2022 CFP, October 4th-5th, virtual event. Functional Scala 2022, December 1st-2nd, London.


  19. Scala Times Issue #429

    Implicit vs Scala 3's Given. New in Scala 3. What is a Monad? Adam Warski. GitHub Code Search First Look. A Prelude of Purity: Scaling Back ZIO.


  20. Scala Times Issue #428

    Lambda Days, July 28th-29th, Kraków, Poland. ScalaCon 2022 CFP, October 4th-5th, virtual event.


  21. Scala Times Issue #427

    Akka durable state. Scala OOFP Design Sample. Dependency management in Scala. Lambda Days, July 28th-29th, Kraków, Poland. ScalaCon 2022 CFP, October 4th-5th, virtual event.


  22. Scala Times Issue #426

    Bootzooka 2022: cats-effect 3, autowire &tapir. Scala's Gitter to Discord migration mistake. Scala Center Q1 2022 Update. Diamond Architecture - How to build HUMONGOUS Apps FAST!. Lambda Days, July 28th-29th, Kraków, Poland.


  23. Scala Times Issue #425

    Scala 3: Significant indentation and other things we love. Context Function for DSL Design in Scala. Introducing Scopes in ZIO 2.0. On Typelevel and Monix. Call for Steering Committee Members.


  24. Scala Times Issue #424

    Fancy strings in Scala 3. Scala & the Three Implicits. Scala 3: “Erased” Definitions. Tapir: Building an adopters page. Lambda Days, July 28th-29th, Kraków, Poland.


  25. Scala Times Issue #423

    Three tools to improve your Scala workflow. Twotm8 (part 1). ZIO SQL: Type-safe SQL for ZIO applications. Using TestControl to Test FS2 Streams. Lambda Days, July 28th-29th, Kraków, Poland.


Organizing an event?
Promote it with
Scala Times.
The Scala Times reader?
Get a banner!
Got a tip?Send it in!
Follow us onTwitter.
Curated bySoftwareMill.
We arehiring.
Andtaking on projects.