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May 19th, 2022, ISSUE 430

READING

OOP vs Type Classes, Part 1: Ideology

This is the 1st article of a series that explores the difference between OOP design, and parametric polymorphism with Type Classes, as both are possible in Scala.
Alexandru Nedelcu (@alexelcu)
Concurrent Sudoku Solver: Part 2 - Using Cats Effect Ref + Deferred + IO.race

In this part, you'll learn how the fundamental tools from Cats Effect can be put together to build an elegant concurrent solution.
Farooq Qaiser

VIDEOS

Scala Generics: A Gentle Introduction

This video is for Scala beginners coming from dynamically-typed languages (e.g. Python or JavaScript). Here, we explain what generics in Scala do, why they exist, why the Scala type system exists and how they all help us write better code.
Daniel Ciocîrlan (@rockthejvm)

EVENTS

Lambda Days, July 28th-29th, Kraków, Poland

A vibrant event focused on FP and its growing community. Find out what is possible with functional programming - explore the latest in battle-tested Scala, Erlang and Haskell, experience the energy F# and Elixir bring to the table, connect with the innovators working with Elm, Luna and Ocaml, see what comes up next!
LambdaDays (@LambdaDays)
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)
Functional Scala 2022, December 1st-2nd, London

Use our link and get a 10% discount for Scala Times readers!
Ziverge (@zivergetech)
Functional Scala 2022 CFP

Apply before October 15th.
Ziverge (@zivergetech)





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    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.


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    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).


  3. 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.


  4. 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.


  5. 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.


  6. 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.


  7. 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.


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


  9. 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.


  10. 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.


  11. 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.


  12. 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.


  13. 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.


  14. Scala Times Issue #422

    The Debug Adapter Protocol and Scala. The Java Timer. List vs Vector in 2022. Journey of Implicits in Scala  -  part 3. Autowire - an overview.


  15. Scala Times Issue #421

    Scala 3 inline and macros community census. Finding awesome Scala libraries. Journey of Implicits in Scala  -  part 2. Different Ways to Package a Simple Scala Application. Cloudflare functions with Scala.js.


  16. Scala Times Issue #420

    FS2-Kafka in real world - Part 2. Journey of Implicits in Scala. Grow the Scala community with a SINGLE command!. Lambda Days, July 28th-29th, Kraków, Poland. Support for Scala 3 in mainargs.


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    Leveraging AWS Aurora for Event Sourcing. Effective Scala Case Class Patterns. TypeVille, April 20th - 22nd Krynica-Zdrój, Poland. Lambda Days, July 28th-29th, Kraków, Poland. UML Class Diagram for Scala.


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    Writing a simple CLI game in Scala 3. The Scala Center's roadmap for a Unified Scala.js Ecosystem. Monadic Resource Management in Scala. About capture checking. FS2-Kafka in real world - Part 1.


  19. Scala Times Issue #417

    Capture checking prototype for Scala. Scala project from scratch #7. FS2: Typed Functional Streams in Scala. Bootcamp [Scala], March - July, free online training. TypeVille, April 20th - 22nd Krynica-Zdrój, Poland.


  20. Scala Times Issue #416

    Every Argument for Static Typing Applies to Typed Errors. Sick Fira Code Progress Bars for Absolute Beginners! - Part 2. Bootcamp [Scala], March - July, free online training. TypeVille, April 20th - 22nd Krynica-Zdrój, Poland. Lambda Days, July 28th-29th, Kraków, Poland.


  21. Scala Times Issue #415

    Hands-on Kafka Streams in Scala. Having fun with Ordering in Scala. Sick Fira Code Progress Bars for Absolute Beginners! - Part 1. Bootcamp [Scala], March - July, free online training. TypeVille, April 20th - 22nd Krynica-Zdrój, Poland.


  22. Scala Times Issue #414

    Safer Exceptions in Scala 3. Type Class Derivation in Scala 3. Learn Scala with Online Courses. Functional Programming in Scala. Migrating to Java 17.


  23. Scala Times Issue #413

    Notes about loading configuration Examples for Play Framework and Spring Boot. Scala project from scratch #6. "Functional Programming for Mortals with Scalaz" Review. Scala Love CFP, February 18th, 2022, Online Event. ScalaMatsuri CFP, March 19th - 20th, 2022, Online Event.


  24. Scala Times Issue #412

    Why Scala Is Seeing A Renewed Interest For Developing Enterprise Software. The wonder of context functions. Scala Love CFP, February 18th, 2022, Online Event. ScalaMatsuri CFP, March 19th - 20th, 2022, Online Event. TypeVille CFP, April 20th - 23rd 2022, Krynica-Zdrój, Poland.


  25. Scala Times Issue #411

    Scala and Rust interoperability via JNI. Learn Doobie for the Greater Good. Scala Love CFP, February 18th, 2022, Online Event. ScalaMatsuri CFP, March 19th - 20th, 2022, Online Event. TypeVille CFP, April 20th - 23rd 2022, Krynica-Zdrój, Poland.


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