ppx_deriving
kotlinx.serialization
ppx_deriving | kotlinx.serialization | |
---|---|---|
7 | 52 | |
442 | 5,099 | |
0.5% | 0.7% | |
7.7 | 8.5 | |
5 days ago | 7 days ago | |
OCaml | Kotlin | |
MIT License | Apache License 2.0 |
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ppx_deriving
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My Thoughts on OCaml
> You gave a beautiful answer about programming language
You do the same thing as in Rust, Scala or Haskell and derive the printer [1]. Then at the callsite, if you know the type then you do `T.show` to print it or `T.eq`. If you don't know the type, then you pass it in at the top level as a module and then do `T.show` or `T.eq`.
> Or to convert one type into another type?
If you want to convert a type, then you have a type that you want to convert from such as foo and bar, then you do `Foo.to_bar value`.
We can keep going, but you can get the point.
You _can't_ judge a language by doing what you want to do with one language in another. If I judge Rust by writing recursive data structures and complaining about performance and verbosity that's not particularly fair correct? I can't say that Dart is terrible for desktop because I can't use chrome developer tools on its canvas output and ignore it's hot-reloading server. I can't say Common Lisp code is unreadable because I don't have type annotations and ignore the REPL for introspection.
[1] https://github.com/ocaml-ppx/ppx_deriving
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Is rust serde unique?
Ocaml has the amazing ppx_deriving which can be used for serialization / deserialization in various formats.
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Question on type declaration syntax
I wrote a CLI tool and I'd like to produce statically linked binaries of my tool. However, I cannot do this because I'm using the ppx_deriving deriving preprocessor, and I cannot produce a statically linked executable while using this package.
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OCaml at First Glance
Not great, not terrible; the language supports annotations which mean nothing to the compiler but which pre-processors can take advantage of, and there is a framework called ppx which you can use to write your own preprocessor. There exist many pre-processors to do things like add inline tests, generate getter/setter/pretty-printing functions, and so on. Here is an example:
https://github.com/ocaml-ppx/ppx_deriving
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Bad documentation of Jane Street libraries
is from https://github.com/ocaml-ppx/ppx_deriving
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Recommended method for pretty-printing collections in Core?
Have you tried to derive a print function using https://github.com/ocaml-ppx/ppx_deriving
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How do I define ordering for my sum types?
However, there is a ppx (a pre-processor) which can do the job : ppx_deriving. You just have to anotate your type in oder to get the compare function automatically generated :
kotlinx.serialization
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How would I serialize a JSON primitive to a class?
Have you tried this:? https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serializers.md
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kotlinx-serialization won't serialize a List?
Regardless, I followed the documentation to register List for polymorphic serialization and my static code analysis does not seem to be happy with it.
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Is rust serde unique?
I think kotlinx.serialization might come close, but looks like custom Encoders and Decoders are still experimental.
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[Android/Multiplatform] Kotlin Flows + Ktor = Flawless HTTP requests (- ArrowKt)
This example will not work on a multiplatform project. you are using gson, gson runs only on jvm, you should use https://github.com/Kotlin/kotlinx.serialization for the json parsing
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Why should I use kotlinx.serialization?
This is the issue to +1 https://github.com/Kotlin/kotlinx.serialization/issues/1931
- Generate Kotlin client for a complex web API
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Question about app weight... I want to use Apache commons math3, should I fork it and "crop" it to reduce compile times and app weight?
Fun fact, kotlinx.serialization had a release just recently which makes it come with some bundled proguard rules to make this experience easier. Yes you'll still have issues if you're using things via reflection and try to serialize things that proguard deemed unused and removed them, but it's a step forward https://github.com/Kotlin/kotlinx.serialization/releases/tag/v1.5.0-RC
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Modern Android Development in 2023
Kotlin Serialization
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Apple's Swift rewrite of its Foundation framework will be open source
Kotlin Serialization is also a newer option, but doesn't have as much traction.
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Jackson, moshi or kotlinx.serialization?
``` see the docs
What are some alternatives?
deriving-show-simple
jackson-module-kotlin - Module that adds support for serialization/deserialization of Kotlin (http://kotlinlang.org) classes and data classes.
ppx_jane - Standard Jane Street ppx rewriters
Moshi - A modern JSON library for Kotlin and Java.
ppx_sexp_conv - Generation of S-expression conversion functions from type definitions
klaxon - A JSON parser for Kotlin
json-serde - Example of usage antlr4 and shapeless
Gson - A Java serialization/deserialization library to convert Java Objects into JSON and back
generic-data - Generic data types in Haskell, utilities for GHC.Generics
spring-native - Spring Native is now superseded by Spring Boot 3 official native support
goderive - Derives and generates mundane golang functions that you do not want to maintain yourself
kotlin-json - A JavaScript Object Notation library for Kotlin JVM.