guardrail
scala.meta
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guardrail | scala.meta | |
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2 | 2 | |
513 | 1,087 | |
1.0% | 0.6% | |
9.4 | 9.8 | |
1 day ago | 4 days ago | |
Scala | Scala | |
MIT License | BSD 3-clause "New" or "Revised" License |
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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.
guardrail
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Ask HN: Why is there no specification for Command Line Interfaces?
What's the use case? I was thinking about this exact issue because my product ships several CLI tools, but I wasn't convinced it would be worth the effort.
An OpenAPI specification describes an HTTP interface, and I see it as useful because it makes it easier to write code in language-of-choice to generate HTTP requests (by generating client libraries from the OpenAPI spec).
For a CLI, the interface is the command-line. Usually people type these commands, or they end up in bash scripts, or sometimes they get called from programming language of choice by shelling out to the CLI. So I could see a use case for a CLI spec, which would make it easier to generate client libraries (which would shell out to the CLI)... but it seems a little niche.
Or maybe, as input to a documentation tool (like Swagger docs). I would imagine if you're using a CLI library like Python's Click, most of that data is already there. Click Parameters documentation: https://click.palletsprojects.com/en/8.1.x/parameters/
Or maybe, you could start from the spec and then generate code which enforces it. So any changes pass through the spec, which would make it easy to write code (server and client-side) / documentation / changelogs. Some projects like this: Guardrail (Scala) https://github.com/guardrail-dev/guardrail , and Connexion (Python) https://github.com/spec-first/connexion .
But without this ecosystem of tooling, documenting your CLI in a specification didn't really seem worth the effort. Of course, that's a bootstrapping problem.
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Scala Library To Generate Case Classes for JSON
You may have some luck with Guardrail https://github.com/guardrail-dev/guardrail/
scala.meta
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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.
What are some alternatives?
typespec
Shapeless - Generic programming for Scala
natchez-akka-http - A tiny integration library between Natchez and Akka Http
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.
scala-jsonschema - Scala JSON Schema
Ammonite-Ops - Scala Scripting
karma-plus-plus - http://karmaplusplus.com
Scala Async - An asynchronous programming facility for Scala
rad4s - A set of utilities to speed up rendering, storage, testing, and prototyping, especially for http4s
Scalaz - Principled Functional Programming in Scala
iron-cats-example - An example project using Iron & Cats
refined - Refinement types for Scala