FS2 Alternatives

Similar projects and alternatives to FS2

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better FS2 alternative or higher similarity.

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Reviews and mentions

Posts with mentions or reviews of FS2. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-07-11.
  • Introducing effects systems S.A. ZIO at work?
    1 project | reddit.com/r/scala | 23 Aug 2021
    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. :)
  • ScalablyTyped publishes Scala 3 support
    2 projects | reddit.com/r/scala | 11 Jul 2021
    As of very recently, we're using ScalablyTyped in our fs2-io cross build for node. https://github.com/typelevel/fs2/pull/2453
  • Improving akka http code
    3 projects | reddit.com/r/scala | 23 Jun 2021
    In that case, it's best to keep different streaming libraries separate, in their own little "worlds". fs2 + cats has Queues for this purpose https://fs2.io/#/concurrency-primitives. Future has the Promise abstraction.
  • Learning FS2
    1 project | reddit.com/r/scala | 20 May 2021
    So far I'm aware of a great documentation that is out there (fs2.io) and some resources (https://fs2.io/#/documentation).
  • Scala 3 is here!
    2 projects | reddit.com/r/programming | 14 May 2021
    ScalaZ was changed to cats-effect. For streaming, look at fs2. Cats-effect 3 cleans up a lot of the library, but as with any code it can be clean or messy depending on the dev
  • [FS2] - Mutability of Queue in Stream
    1 project | reddit.com/r/scala | 4 Apr 2021
    Lets decompose this code from the article a little. The definition of circularBuffer indicates that given a buffer size the function will return G[Queue[F, A]]. https://github.com/typelevel/fs2/blob/19bb74cac3c9b51bc5419b70fed224d24e0e1c2e/core/shared/src/main/scala/fs2/concurrent/Queue.scala#L173-L174 G is some higher kinded type with an implementation of the Sync typeclass (https://github.com/typelevel/fs2/blob/19bb74cac3c9b51bc5419b70fed224d24e0e1c2e/core/shared/src/main/scala/fs2/concurrent/Queue.scala#L152) (a typeclass for suspending synchronous actions). Why is G needed? Well Queue's are asynchronous data structures so some concurrency primitives must be allocated like Ref and Deferred. (https://typelevel.org/cats-effect/docs/std/ref).
  • Example of building web apis (functionally) in Scala
    12 projects | reddit.com/r/scala | 16 Feb 2021
    Watch the talk "Streams - Your New Favorite Primitive" by Ryan Peters (aka sloshy) and then looking into the docs of fs2. - This one to learn one of the most used / useful libraries of the typelevel ecosystem to process data.


Basic FS2 repo stats
1 day ago

typelevel/fs2 is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.

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