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Top 23 Scala Extension Projects
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If I managed to gain you interest you can take a look at one of the following libraries like cats, scalaz for scala and vavr for java which contain type class definitions and implementations for common types.
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Scout APM
Truly a developer’s best friend. Scout APM is great for developers who want to find and fix performance issues in their applications. With Scout, we'll take care of the bugs so you can focus on building great things 🚀.
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If that's what you want, you can use Shapeless' records and HList. You can probably replicate this in plain Scala 3 with tuples and literal types as you said. It won't play nice with your others libs though but maybe there are integrations.
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The indent based syntax is only available in Scala 3, you have to download a matching ammonite version from https://github.com/com-lihaoyi/Ammonite/releases
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In one respect, nothing. You’re right. Even given refinement types as in Haskell or Scala, there is indeed a necessarily-partial function (refineV in Scala) to refine a value to its refinement type.
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Project mention: Ref in cats-effect. When should I use it, and when should I not? | reddit.com/r/scala | 2022-07-09
Without concurrency, using a Ref doesn't buy you anything over just using a var. If you want the benefits of immutability with an API that resembles mutability, you have to use something like Monocle.
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Who said FP was mandatory? Scala is not Haskell, nor Lisp! If you don't like effect systems and all, don't use them. The choice is yours, actually. Kotlin's coroutines aren't better than what Scala offers. You can even use async/await in Scala. IMO, if you get yourself in a "callback hell" with Scala, then you're not using it properly. For comprehensions are easy to understand, and work with Futures, for instance.
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Enumeratum
A type-safe, reflection-free, powerful enumeration implementation for Scala with exhaustive pattern match warnings and helpful integrations.
Project mention: Simple, Naïve, and Wrong: More than you wanted to know about Scala Case Classes | reddit.com/r/scala | 2022-02-26And for exactly the same reasons one shouldn't override equals and hashCode in a case class, they shouldn't manually implement an enumeration and instead let a well-tested macro (2.x) or the compiler itself (3.x) handle reliably doing the automated code generation. The more code that is generated by the compiler, the smaller the defects, technical debt, and security vulnerability surface areas.
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I just wrote a small generator for a personal project using scalameta. It might be worth doing just for the learning experience, I thought it was a blast to use.
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Project mention: Output object with Circe with sealed trait + case classes adds sealed trait block | reddit.com/r/scala | 2022-11-13
Perhaps, https://github.com/scalalandio/chimney would leverage it.
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Project mention: I want to move to Scala 3, but I'm not sure what libraries to use | reddit.com/r/scala | 2022-08-31
Lens use QuickLens https://github.com/softwaremill/quicklens
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Scala Graph
Graph for Scala is intended to provide basic graph functionality seamlessly fitting into the Scala Collection Library. Like the well known members of scala.collection, Graph for Scala is an in-memory graph library aiming at editing and traversing graphs, finding cycles etc. in a user-friendly way.
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scribe
The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.
I believe Scribe also supports what you want.
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Zigi
Close all those tabs. Zigi will handle your updates.. Zigi monitors Jira and GitHub updates, pings you when PRs need approval and lets you take fast actions - all directly from Slack! Plus it reduces cycle time by up to 75%.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
The latest post mention was on 2022-12-01.
Scala Extensions related posts
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- Does ammonite support indent based syntax?
- How to gain mid-senior experience in Scala
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A note from our sponsor - InfluxDB
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Index
What are some of the best open-source Extension projects in Scala? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | cats | 4,803 |
| 2 | Scalaz | 4,591 |
| 3 | Shapeless | 3,302 |
| 4 | Twitter Util | 2,572 |
| 5 | Ammonite-Ops | 2,534 |
| 6 | refined | 1,564 |
| 7 | Monocle | 1,548 |
| 8 | better-files | 1,448 |
| 9 | Scala Async | 1,133 |
| 10 | Enumeratum | 1,121 |
| 11 | Cassovary | 1,013 |
| 12 | scala.meta | 1,008 |
| 13 | Simulacrum | 936 |
| 14 | Chimney | 898 |
| 15 | Scala-Logging | 884 |
| 16 | n-scala | 870 |
| 17 | Quicklens | 747 |
| 18 | Freestyle | 615 |
| 19 | Scala Graph | 543 |
| 20 | Eff | 537 |
| 21 | scribe | 427 |
| 22 | LArray | 392 |
| 23 | Hamsters | 290 |
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