ZIO
pfps-shopping-cart
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ZIO | pfps-shopping-cart | |
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59 | 35 | |
3,987 | 519 | |
0.7% | - | |
9.5 | 0.0 | |
5 days ago | 16 days ago | |
Scala | Scala | |
Apache License 2.0 | Apache License 2.0 |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
ZIO
- The golden age of Kotlin and its uncertain future
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I had a great experience with Scala and hopefully it will get more popular
scala has 2 healthy and pretty complete lib ecosystems : check out typelevel and ZIO. Both are FP oriented, which might not be your cup of tea at first glance but I would encourage you to try em out ! Softest introduction would be to start with the typelevel cats library and build up from there. The excellent Scala with Cats will ease you softly into an FP mindset. It's a bit dated and for scala 2 only but translating to Scala 3 is a very good exercise if you feel so inclined !
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Is it prudent to use Scala for anything new?
Last but not least, Scala is currently the language with one of the best effect systems in my opinion (https://zio.dev/). Kotlin for example has copied the approach with https://arrow-kt.io/ which I think is great actually. But when comparing Scala and Kotlin here, Scala wins by a large margin, it is a completely different world. It's like building a highly concurrent system in Erlang vs C.
Of course, if you don't want to learn things like union types, traits/typeclasses and effects (similar to async/await but more powerful) you will be annoyed by Scala. But once you learned them, you can never go back.
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How to get started?
ZIO
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Reconnecting with Scala. What's new?
Links: - https://dotty.epfl.ch/ - https://scala-native.org/en/stable/ - https://www.scala-js.org/ - https://typelevel.org/ - https://zio.dev/ - https://github.com/scala-native/scala-native/pull/3120 - https://github.com/lampepfl/dotty/pull/16517 - https://dotty.epfl.ch/docs/reference/experimental/index.html - https://scala-cli.virtuslab.org/ - https://scalameta.org/metals/ - https://docs.scala-lang.org/scala3/guides/migration/compatibility-intro.html - https://www.scala-lang.org/blog/2023/04/18/faster-scalajs-development-with-frontend-tooling.html - https://www.scala-lang.org/blog/2022/08/17/long-term-compatibility-plans.html
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Why actors are a great fit for a data processing pipeline and how we use them for Quickwit's engine
For the Rx approach, The ZIO framework for Scala has a streaming API that can meet those sorts of requirements. e.g.
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How to build a Scala Zio CRUD Microservice
This tutorial will introduce how to build from scratch, a REST microservice using the ZIO framework, and examples of ZIO dependency injection, ZIO HTTP, JSON, JDBC, and others from the ZIO environment. The source code is available here
- Cuál lenguaje les da de comer, comunidad?
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Is Parallel Programming Hard, and, If So, What Can You Do About It? [pdf]
I use ZIO (http://zio.dev) for Scala which makes parallel programming trivial.
Wraps different styles of asynchronicity e.g. callbacks, futures, fibers into one coherent model. And has excellent resource management so you can be sure that when you are forking a task that it will always clean up after itself.
Have yet to see anything that comes close whilst still being practical i.e. you can leverage the very large ecosystem of Java libraries.
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40x Faster! We rewrote our project with Rust!
The one advantage Rust has over Scala is that it detects data races at compile time, and that's a big time saver if you use low level thread synchronization. However, if you write pure FP code with ZIO or Cats Effect that's basically a non-issue anyway.
pfps-shopping-cart
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Where can I find a Typelevel code example?
Gabriel Volpe has a book that goes over just that using the typelevel stack. I highly recommend it: https://leanpub.com/pfp-scala
- Scala real world projects
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Udemy vs Rock the JVM for Cats, Cats Effect, and FS2
The only issue I had was how to put all this knowledge together. For that I bought Practical FP in scala by Gabriel Vlope, it's not for beginners, tho but takes you through a project with the latest typelevel stack. Here's the link. https://leanpub.com/pfp-scala.
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Any recommended design pattern resources?
This is a really good book https://leanpub.com/pfp-scala
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Already learned Scala syntax. Should the next book be "SICP" or "Function Programming in Scala"?
If you want a solid understanding of FP and not just FP in Scala, I highly recommend installing GHCup and working through Haskell Programming From First Principles. Then I would work through Scala With Cats, Essential Effects, and Practical FP in Scala for how all of that maps onto Scala.
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Argument against mutation in functional programming.
Practical FP in Scala
- Switching career from F# to scala
- Need help to understand fs2 library
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Confusion about Tagless Final
BTW for learning good application structure with Tagless Final I really recommend the book Practical FP in Scala and its work-along example application. That's where I stole the pattern above from.
- Is transitioning from Haskell really that hard?
What are some alternatives?
cats-effect - The pure asynchronous runtime for Scala
scala-pet-store - An implementation of the java pet store using FP techniques in scala
Monix - Asynchronous, Reactive Programming for Scala and Scala.js.
scala-steward - :robot: A bot that helps you keep your projects up-to-date
Http4s - A minimal, idiomatic Scala interface for HTTP
fly4s - A lightweight, simple and functional wrapper of Flyway using cats effect.
Vert.x - Vert.x is a tool-kit for building reactive applications on the JVM
tagless-final - [Moved to: https://github.com/DevInsideYou/tagless-final]
cats - Lightweight, modular, and extensible library for functional programming.
zio-todo
fs2-kafka - Functional Kafka Streams for Scala
tapir - Declarative, type-safe web endpoints library