scala.meta
Library to read, analyze, transform and generate Scala programs (by scalameta)
circe
Yet another JSON library for Scala (by circe)
| scala.meta | circe | |
|---|---|---|
| 2 | 12 | |
| 1,094 | 2,474 | |
| 0.7% | 0.2% | |
| 9.7 | 8.6 | |
| 1 day ago | 6 days ago | |
| Scala | Scala | |
| BSD 3-clause "New" or "Revised" License | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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.
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.
scala.meta
Posts with mentions or reviews of scala.meta.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-08-16.
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Scala Library To Generate Case Classes for JSON
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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Running tests from emacs
I have successfully installed metals on emacs as per the instructions on scalameta.org - things like syntax highlighting and jump to definiton work, and lsp-metals-doctor-run shows mostly green ticks.
circe
Posts with mentions or reviews of circe.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-01-20.
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Database abstraction library which allows a clean domain model
Using Circe so I define some classes that contain my custom Encoder[BusinessObject] in a file and I use that whenever I want to save/store a record, or handle a web request or respose. I also represent my mongo queries as JSON objects that I can freely build then pass to the driver.
- Scala Library To Generate Case Classes for JSON
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What companies/startups are using Scala (open source projects on github)?
Circe adopters should be using Scala https://github.com/circe/circe
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what popular companies uses Scala?
If you look at Circe's github repo you will see a very large list of very recognizable companies, that should give you some idea. Circe isn't the ONLY Json parsing library, but it is probably the most popular, so - should give you a rough idea of the types and variety of companies using Scala.
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Every time I sit down to use an HTTP client and JSON parser, I get really frustrated
Has the worst error messages I've ever seen for a parser. "Attempt to decode value on failed cursor" is not helpful when all you have is missing fields. Has been an issue for 5 years.
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It's unsafe to depend on Typelevel Libraries
Circe tries to drop Scala 2.12 support in retaliation for not enough users paying them.
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Building a REST API in Scala 3 using Iron and Cats
Circe: https://circe.github.io/circe/
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[Circe] Renaming fields for value classes during decoding
PR for the same functionality in Scala3: https://github.com/circe/circe/pull/1800
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Scala 3.0 serialization
Otherwise I tend to just use ZIO-JSON or Circe both of which have been updated for Scala 3.
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Performance of 12 JSON parsers for Scala
I've updated results of benchmarks of 12 JSON parsers for Scala: - AVSystem's scala-commons - Borer - Circe - DSL-JSON - Jackson - jsoniter-scala - Play-JSON, - play-json-jsoniter - Spray-JSON - uPickle - weePickle - zio-json
What are some alternatives?
When comparing scala.meta and circe you can also consider the following projects:
Shapeless - Generic programming for Scala
json4s - JSON library
Lamma - Lamma schedule generator for Scala is a professional schedule generation library for periodic schedules like fixed income coupon payment, equity deravitive fixing date generation etc.
spray-json - A lightweight, clean and simple JSON implementation in Scala
Ammonite-Ops - Scala Scripting
play-json
Scala Async - An asynchronous programming facility for Scala
zio-json - Fast, secure JSON library with tight ZIO integration.
Scalaz - Principled Functional Programming in Scala
jackson-module-scala - Add-on module for Jackson (https://github.com/FasterXML/jackson) to support Scala-specific datatypes
enableIf.scala - A library that toggles Scala code at compile-time, like #if in C/C++
jsoniter-scala - Scala macros for compile-time generation of safe and ultra-fast JSON codecs