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April 2nd, 2020, ISSUE 320


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ScalaTimes (@scalatimes)
Bake your bread tagless-final style

In this blog post, I will try to explain the tagless final encoding on a home bakery example. I will do my best to avoid too many complex definitions and keep the orchestra of fancy bells & whistles of the functional world as tiny as possible.
Marcin Baraniecki (@marcin_ba)
User-land compiler warnings in Scala

As a library author, I've been wanting to tag methods in Scala that can trigger custom warnings or compiler errors.
Eugene Yokota (@eed3si9n)
How to write a (completely lock-free) concurrent LRU Cache with ZIO STM

in this article, we are going to see how ZIO STM can make our lives a lot easier when it comes to writing concurrent data structures – such as a concurrent LRU Cache – in a completely lock-free fashion that is a lot simpler to reason about.
Jorge Vasquez
Zio ZLayer with playframework

Testing background process with ZIO

ZIO provides a test environment with a test clock that you can adjust for your needs. Here, it becomes apparent why the clock effect is explicit in ZIO: you can control it!
Francois Armand (@fanf42)


Scalar Online, May 15th (CFP)

Send your proposal! Call for papers ends 14th of April
SoftwareMill (@scalarconf)
ScalaUA Remote Conference, April 3th-4th

Wholesale 10+ tickets are available till 2020.04.02.
ScalaUA (@ScalaUA_Conf)
Scala Love Remote Conference, April 18

CFP is open now!
Scala Love (@scala_love)
Effective Scala Workshop, April 21-22. Join us in person at San Damiano in Danville, CA, USA, or connect remotely.

Use code: SFSCALAAPR20 to get -10%.
Artima, Inc (@ArtimaInc)
Scala Swarm, June 18th-23rd, Porto, Portugal

Ticket sale is now open, come quick and grab your ticket to this unique event!
ScalaSwarm (@ScalaSwarmConf)
[cancelled] ZIO Hackathon, March 22nd-23rd, Warsaw, Poland

The event has been cancelled due to the COVID-19 virus.
Ziverge (@zivergetech)
[cancelled] flatMap(Oslo), May 14th-15th, Oslo, Norway

The event has been cancelled due to the COVID-19 virus.
flatMap(Oslo) (@flatmaposlo)
Scalar Workshops, October 8th-10th, Warsaw, Poland

Get ready for the workshop-driven FP event in Poland!
SoftwareMill (@scalarconf)



Bitcoin implementation in Scala.
bitcoin-s contributors


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  1. Scala Times Issue #333

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  14. Scala Times Issue #320

    New feature: Search!. Bake your bread tagless-final style. User-land compiler warnings in Scala. Zio ZLayer with playframework. Testing background process with ZIO.

  15. Scala Times Issue #319

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  24. Scala Times Top Links of 2019

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