civlua
dhall-lang
civlua | dhall-lang | |
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14 | 113 | |
20 | 4,142 | |
- | 0.4% | |
9.5 | 5.5 | |
4 days ago | 8 days ago | |
Lua | Dhall | |
The Unlicense | BSD 3-clause "New" or "Revised" License |
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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.
civlua
- LAP: Lua Async Protocol
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IBM 360 in UK need a home
http://civboot.org is basically trying to answer exactly this question
- Drowning in code: The ever-growing problem of ever-growing codebases
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Why the fuck are we templating YAML? (2019)
I'm designing a simple dev environment from scratch.
My solution for this is a sandboxed lua for programatic configuration:
https://github.com/civboot/civlua/tree/main/lib/luck
I can't stand JSON (for many reasons) so I created a serialization format that combines it and CSV for nested objects
https://github.com/civboot/civlua/tree/main/lib/tso
I wish the industry would standardize on a solution like this. IMO you shouldn't use a "real" language unless you can lock it down to be determinisitic. JSON is supposed to be human readable but fails for lots of real-world data like multi-line strings or lists of records.
CSV is more readable but doesn't supported nested objects.
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Show HN: Cassette, a Personal Programming Language
Have you tried for any length of time?
For example, there's lots of little places where aligning keywords helps clarify code
https://github.com/civboot/civlua/blob/main/ds/ds.lua#L89
Formatters HATE putting multiple statements on a single line, but when they go it makes it so much easier to parse (for a person)
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LuaX: A Lua Dialect with JSX
I've built a lua-based markdown which is more sane (from a programmer's PoV) than markdown but still concise
https://github.com/civboot/civlua/tree/main/cxt
I'm planning on supporting syntax highlighting. I could imagine creating a cxx that does what LuaX is doing, except it would support rendering to the command line as well as html.
Want to team up?
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Unveiling the big leap in Ruby 3.3's IRB
Reading "big features" like "multi line input" makes me feel more than ever that we really need an ultra light weight embeddedable text editor.
I wrote one, and while it's not yet complete I can say it's really _not that hard_
https://github.com/civboot/civlua/blob/main/ele/README.md
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22-Year-Old Builds Chips in His Parents' Garage (2022)
Sam was one of my main inspirations in starting http://civboot.org. Awesome to see he's managed to make his own chip now!
- I'm building a self-bootstrapped embeddedable programming environment in Lua
- Civlua: Self contained software to build a minimalist development environment
dhall-lang
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Apple releases Pkl – onfiguration as code language
Fail to see how this is any different than Dhall (https://dhall-lang.org/) other than it produces plists too.
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Pkl, a Programming Language for Configuration
Kubernetes config is a decent example. I had ChatGPT generate a representative silly example -- the content doesn't matter so much as the structure:
https://gist.github.com/cstrahan/528b00cd5c3a22e3d8f057bb1a7...
Now consider 100s (if not 1000s) of such files.
I haven't given Pkl an in depth look yet, but I can say that the Industry Standard™ of "simple YAML" + string substitution (with delicate, error prone indentation -- since YAML is indentation sensitive) is easily beat by any of:
- https://jsonnet.org/
- https://nickel-lang.org/
- https://nixos.org/manual/nix/stable/language/index.html
- https://dhall-lang.org/
- (insert many more here, probably including Pkl)
- Why the fuck are we templating YAML? (2019)
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Is Htmx Just Another JavaScript Framework?
There are underpowered languages / tools, that can only solve a problem for which they are intended poorly. But not all limited tools are like that.
Say, eBPF is prominently not Turing-complete, which allows to guarantee that a eBPF program terminates, and even how soon. Still eBPF is hugely useful in its area.
Or, say, regular expressions are limited to regular languages; in particular, they famously [1] cannot process recursive structures, like trees. Still tools like grep / ag / rg are mightily useful.
Yes, I agree that YAML is underpowered for proper k8s configuration! But it's also too powerful for its own good in other aspects [2]. I wish Google used Dhall [3] or their own purely functional config language (FCL? I already forgot the name) instead of YAML; sadly, they did not.
[1]: https://stackoverflow.com/a/1732454/223424
[2]: https://ruudvanasseldonk.com/2023/01/11/the-yaml-document-fr...
[3]: https://dhall-lang.org/
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10 Ways for Kubernetes Declarative Configuration Management
Dhall: Dhall is a programmable configuration language that combines features like JSON, functions, types, and import capabilities. Its style leans towards functional programming, so if you're familiar with functional-style languages such as Haskell, you might find Dhall to be quite intuitive.
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Berry is a ultra-lightweight dynamically typed embedded scripting language
I've been thinking along these lines but more 'strongly validated' than statically typed in the sense that you'd be better off being able to load the entire config and then produce a list of problems (and should be able to offer good editor support if done correctly).
Though https://dhall-lang.org/ demonstrates that you can statically type quite a lot of configuration to great advantage, which appears to be programmatically embeddable in multiple languages per https://docs.dhall-lang.org/howtos/How-to-integrate-Dhall.ht...
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What Is the Point of Decidability
> Where practical is in the sense of an engineer (or in their terms, a CS practitioner),
Configuration processing. E.g. I'd like my yamls to be decidable, though I'd settle for guaranteed to halt[1].
[1] https://dhall-lang.org/
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What Is Wrong with TOML?
Maybe you'd like jsonnet: https://jsonnet.org/
I find it particularly useful for configurations that often have repeated boilerplate, like ansible playbooks or deploying a bunch of "similar-but" services to kubernetes (with https://tanka.dev).
Dhall is also quite interesting, with some tradeoffs: https://dhall-lang.org/
A few years ago I did a small comparison by re-implementing one of my simpler ansible playbooks: https://github.com/retzkek/ansible-dhall-jsonnet
- Show HN: FlakeHub – Discover and publish Nix flakes
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Home Blog Better configuration languages – A talk about Dhall [video]
And to checkout Dhall: https://dhall-lang.org/
What are some alternatives?
berry - A ultra-lightweight embedded scripting language optimized for microcontrollers.
cue - CUE has moved to https://github.com/cue-lang/cue
ucode - JavaScript-like language with optional templating
jsonnet - Jsonnet - The data templating language
go - The Go programming language
cue - The home of the CUE language! Validate and define text-based and dynamic configuration
zeptoforth - A not-so-small Forth for Cortex-M
terraform - Terraform enables you to safely and predictably create, change, and improve infrastructure. It is a source-available tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.
Vale - Compiler for the Vale programming language - http://vale.dev/
jsonlogic - Go Lang implementation of JsonLogic
dmd - dmd D Programming Language compiler
nix-gui - Use NixOS Without Coding