wvlet-log VS Shapeless

wvlet-log

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Shapeless

• Question regarding Recursive datatypes and cats typeclasses (Haskell to Scala)
  3 projects | /r/scala | 6 Jul 2023

  Scala 2-only: * Shapeless (there is Shapeless for Scala 3 but less often needed as basic things are in Scala 3)

• Is there the equivalent of this in Scala ? (Maps to Struct)
  1 project | /r/scala | 27 Dec 2022

  This is the FromMap typeclass in Shapeless. Note that there’s a companion syntax package for it providing .toRecord for any Map and an appropriately-structured Record (and a Record is the LabelledGeneric representation of a case class).

• Scala 3: modifying product types in compile-time
  1 project | /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 | /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 | /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 | /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 | /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 | /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.