FS2
Monix
| FS2 | Monix | |
|---|---|---|
| 17 | 7 | |
| 2,328 | 1,921 | |
| 0.7% | 0.1% | |
| 9.5 | 4.7 | |
| 5 days ago | 1 day ago | |
| Scala | Scala | |
| GNU General Public License v3.0 or later | Apache License 2.0 |
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FS2
- Ask HN: What are some of the most elegant codebases in your favorite language?
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The Great Concurrency Smackdown: ZIO versus JDK by John A. De Goes
Recently, CE3 has had similar issues reported across multiple repositories, almost an epidemic of reports!
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Parallel streaming in Haskell: Part 1 – Fast, efficient, and fun
Thanks for the explanation!
So it's pull based and not push based like most other streams lib.
Does maybe someone know how this compares to FS2 or Iteratees than? (Both are also pull based streaming solutions).
https://fs2.io/#/
https://en.wikipedia.org/wiki/Iteratee
Looks quite similar to me. Is the Scala FS2 lib maybe even a clones of the Haskell solution? Or are they different in important aspects?
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Grasping the concepts and getting them down to earth
Most important/known: * https://http4s.org/ - an HTTP client/server * https://github.com/typelevel/fs2 - streaming * https://github.com/tpolecat/doobie - JDBC
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Should I Move From PHP to Node/Express?
On the contrary, switching to the functional mindset, with something like Typelevel Scala3 and respective cats and cats-effect fs2 frameworks, helps to rethink a lot of designs and development approaches.
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Is Scala a good choice for a data intensive web backend?
fs2 for streaming.
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Is “Functional Programming in Scala” 1st edition still relevant?
Finally, the last chapter has been rewritten to be based on some of the main design ideas from FS2 (https://fs2.io), which I hope will be more approachable than the 1st edition.
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FS2 stream doesn't work as I expect it to
Just to clarify, is your doubt about the meaning of the api, or do you think you have found a bug? In either case, you can also open a Github discussion https://github.com/typelevel/fs2/discussions.
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How to update and access state that needs to be shared across multiple API endpoints with FP?
Another more reactive solution would to use signals, as in FPR sinal network. fs2 implements this very nicely here https://github.com/typelevel/fs2/blob/8b285a6b54c63d43ed6aa3bb91365652035c90e5/core/shared/src/main/scala/fs2/concurrent/Signal.scala
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Introducing effects systems S.A. ZIO at work?
Assuming the bug mentioned here is https://github.com/typelevel/fs2/issues/2568, we came up with a partial fix in a day (https://github.com/typelevel/fs2/pull/2569) and a complete fix in 2 days: https://github.com/typelevel/fs2/pull/2572. Note the original bug was opened on a Saturday. :)
Monix
- Ask HN: What are some of the most elegant codebases in your favorite language?
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Scala isn't fun anymore
The author is the creator of Monix and implemented the first version of cats-effect. He knows what he is doing.
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How many of you are using Monix?
I haven't had the pleasure to use it personally, but will probably check it out once Monix switches to CE3. As far as I'm aware, this requires a major rewrite of the library: https://github.com/monix/monix/issues/1502
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Alternative to RxJava/RxScala
The Observer is a bit different, it returns Future[Ack] for built-in back-pressure. We can Continue / Stop synchronously or asynchronously.
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What languages have "implicit awaits" ?
cats-effect or monix or ZIO for Scala.
What are some alternatives?
cats-effect - The pure asynchronous runtime for Scala
ZIO - ZIO — A type-safe, composable library for async and concurrent programming in Scala
Diffy
Scala.Rx - An experimental library for Functional Reactive Programming in Scala
Http4s - A minimal, idiomatic Scala interface for HTTP
RxScala - RxScala – Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences
ScalaMock - Native Scala mocking framework
Vert.x - Vert.x is a tool-kit for building reactive applications on the JVM
ScalaTest - A testing tool for Scala and Java developers
typed-actors - compile-time typechecked akka actors
ScalaMeter - Microbenchmarking and performance regression testing framework for the JVM platform.
Reactor-Scala-Extensions - A scala extension for Project Reactor's Flux and Mono