haskell-mode
ZIO
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haskell-mode | ZIO | |
---|---|---|
9 | 59 | |
1,304 | 3,991 | |
0.3% | 0.8% | |
7.3 | 9.5 | |
about 2 months ago | 2 days ago | |
Emacs Lisp | Scala | |
GNU General Public License v3.0 only | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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.
haskell-mode
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There is No “Tooling Issue” in Haskell
You can use GHCI's debugger through Emacs's haskell-debug-mode (part of the haskell-mode package), and probably through other editor/IDEs as well, a programming editor like Emacs or Vim simply needs to be able to run a GHCI session and send commands to it.
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Kill until next char preceding space | Uppercase | underscore
No, I was only using haskell-mode. So I guess this is LSP's fault, then. Not Emacs's fault and not haskell-mode's fault.
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What’s so great about functional programming anyway?
If I made it sound like there's something like IntelliSense today, apologies! We've got <https://github.com/haskell/haskell-mode/blob/master/haskell-...>, but it's type-a-command-and-do-a-search: it's not linked in with completion directly in the setups I've seen.
(In practice, I'm usually starting from a slightly different place: I know I want a Frob and I've got a This and a That, so I do :hoogle This -> That -> Frob and get some options. The thought-process is working backwards from the goal more than forwards from one key object in focus. A different way of working, but I'm not convinced it's less effective.)
My point though was that it's an engineering issue, not a fundamental language limitation. ie not a reason all future languages should shun haskell features. The building blocks to do better at completion than haskell curently does are there.
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Emacs becomes extremely sluggish when I enter a haskell file
check if you have any similar config to what caused this issue: https://github.com/haskell/haskell-mode/issues/1777 for me
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Requests for packages to add to NonGNU ELPA?
Package-lint has been on my list, but the maintainer, MELPA's Steve Purcell, has been hesitant about NonGNU ELPA in the past (see this discussion), so I have skipped his packages for now, and also because most of the packages he maintains have a "broken" version tag, most of the time -- the reason here is that MELPA adds these manually, and since he understandably is targetting MELPA, there is little interest from his side to fix that.
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stack compile errors in emacs
You can see the expected output in this PR description.
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Artyom's Haskell toolbox — a long list of tools/libraries I use
I use haskell-mode. It has a shortcut for loading a module into REPL, and it also runs hasktags for me. That's literally all I use.
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My setup for messing about with Haskell scripts, 2021 edition
Just as a note from my poking around, this is the "official" way to use a nix-shell with haskell-mode: https://github.com/haskell/haskell-mode/blob/3a019e65b504861d7ea23afbfecd14e5ef63e846/haskell-customize.el#L77
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.
What are some alternatives?
prescient.el - ☄️ Simple but effective sorting and filtering for Emacs.
cats-effect - The pure asynchronous runtime for Scala
ivy-rich - More friendly interface for ivy.
Monix - Asynchronous, Reactive Programming for Scala and Scala.js.
Cabal - Official upstream development repository for Cabal and cabal-install
Http4s - A minimal, idiomatic Scala interface for HTTP
elm-format - elm-format formats Elm source code according to a standard set of rules based on the official Elm Style Guide
Vert.x - Vert.x is a tool-kit for building reactive applications on the JVM
selectrum - 🔔 Better solution for incremental narrowing in Emacs.
cats - Lightweight, modular, and extensible library for functional programming.
commonmark - Pure Haskell commonmark parsing library, designed to be flexible and extensible
fs2-kafka - Functional Kafka Streams for Scala