|about 4 years ago||10 days ago|
|MIT License||Apache License 2.0|
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We haven't tracked posts mentioning Freasy Monad yet.
Tracking mentions began in Dec 2020.
Scala 3: modifying product types in compile-time
1 project | reddit.com/r/scala | 14 Jul 2022
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.
Does Scala have support for Dependent types?
1 project | reddit.com/r/scala | 19 Jun 2022
See the Shapeless Sized example.
How does Scala's type system compare to TypeScript's? Is it as powerful?
1 project | reddit.com/r/scala | 19 Jun 2022
Shapeless has Sized: https://github.com/milessabin/shapeless/blob/v2.3.9/core/src/main/scala/shapeless/sized.scala
Fp libraries that target scala 3 exclusively?
5 projects | reddit.com/r/scala | 22 Nov 2021
I know that libraries like Scodec and shapeless were rewritten practically from scratch for Scala 3, taking advantage of the next syntax and internals, as well as protoquill - a Scala 3 implementation of Quill.
Delphi 11 Alexandria Has Been Released
4 projects | reddit.com/r/programming | 23 Sep 2021
please show me something like this: https://akka.io/ or this: https://zio.dev/ or this: https://github.com/milessabin/shapeless
6 Years of Professional Clojure
6 projects | news.ycombinator.com | 2 Aug 2021
That largely depends on the type system. Languages like Haskell and Scala which have much more powerful type systems than C/Java/Go/etc absolutely do allow you to do those sorts of things. It is a bit harder to wrap your head around to be sure and there are some rough edges, but once you get the hang of it you can get the benefits of static typing with the flexibility of dynamic typing. See https://github.com/milessabin/shapeless or a project that I've been working on a lot lately https://github.com/zio/zio-schema.
Scala3: Does it provide a simplified way of doing n-term generic parameters?
2 projects | reddit.com/r/scala | 6 Jun 2021
Just use cats and use the apply syntax .mapN for this. Seriously. There isn't a way to do it without generating source code that I can see in the api. Scala 3's HList Tuples aren't like Shapeless 2's HLists and I can't figure out a way in the api to reduce the tuple members down from (A, B, C, D) into an E, generically, yet with Scala 3 poly functions, unlike what you could do in Shapeless 2 with HList
Scala: A Love Story
4 projects | dev.to | 21 Apr 2021
Scala has sparked a huge ecosystem of very high quality libraries (Cats, Scalaz, shapeless, to name but a few). I think a major reason for this is that Scala attracts developers who value the advantages of the JVM, but are fed up with the limitations of the Java programming language and understand the benefits of an expressive type system and functional programming.
Jam 0.0.4 got Scala 3 support
3 projects | reddit.com/r/scala | 17 Apr 2021
I also investigated shapeless3 macroses: https://github.com/milessabin/shapeless/tree/shapeless-3/modules, but they are more about derivation than reflection. And probably that is all I found.
[Scala3] Get the type of container with wildcard type (i.e. List[?])
1 project | reddit.com/r/scala | 1 Mar 2021
Well, that is sometimes possible, depending on a structure of Foo. If you have a List, for instance, you can iterate every element, and if every element is A, then it's safe to cast a list to List[A]. In fact, shapeless provides exactly that, in form of Typeable[List[A]], in a more generic form. I suppose shapeless also can derive a typeable instance for you, but I haven't dug into scala 3 version of it.
What are some alternatives?
cats - Lightweight, modular, and extensible library for functional programming.
Monocle - Optics library for Scala
magnolia - Easy, fast, transparent generic derivation of typeclass instances
Scalaz - Principled Functional Programming in Scala
Chimney - Scala library for boilerplate-free, type-safe data transformations
scala-newtype - NewTypes for Scala with no runtime overhead
scala.meta - Library to read, analyze, transform and generate Scala programs
Enumeratum - A type-safe, reflection-free, powerful enumeration implementation for Scala with exhaustive pattern match warnings and helpful integrations.
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.
refined - Refinement types for Scala
ZIO - ZIO — A type-safe, composable library for async and concurrent programming in Scala
scribe - The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.