unobin
LIPS
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unobin
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Ask HN: What Are You Working On?
I'm working on tool called Unobin that lets you write Ansible-esque playbooks and compile them to a standalone binary with all of the templates and files baked in.
I'm trying to solve the "works on my machine" problem that's very prevalent in the devops world. One person's playbook (or Terraform module or Chef cookbook or whatever) works fine on the developer's machine due to assumptions made during the development. But transfer that code to another machine and it's a whole 'nother story. There is often a lack of rigor around dependency management and versioning, along with hidden dependencies such as programs that need to exist on the machine where the playbook is run. I want to make it possible to include all of the dependencies directly in the binary, so you truly need just one binary (unobin) to download and run.
I've made a lot of progress and have what I feel is a solid POC at this point. It lacks many modules but I'm just writing them as I need them. Right now I'm working on a reference playbook to build a Concourse CI stack, and that's giving me solid feedback to myself about what's missing.
https://github.com/cloudboss/unobin
LIPS
- LIPS: Powerful Scheme based Lisp interpreter in JavaScript
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(Learn 'Scheme)
Sweet, I'll have to give that a go :)
Another option in browser land is lips[0], which exclusively targets a js backend.
[0] https://lips.js.org
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All Web frontend lisp projects
For Scheme implementations there are LIPS and biwascheme. I haven't done more than play around with them, so I can't really give an informed opinion about pros and cons or favorites.
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Extending a Language — Writing Powerful Macros in Scheme
Your example revealed a bug in my Scheme interpreter. This is an example that fails to match:
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What other Scheme parser tricks do you know?
In my interpreter, LIPS Scheme, vector literal syntax is created using a syntax extension, a token that is mapped to a function or a macro. So you can use things like this:
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How to list defined symbols?
I'm not sure about other Scheme interpreters but in my interpreter LIPS Scheme, there is (env) function that returns a list of symbols. You can also access environment objects e.g. (current-environment) return object that is used internally. And you can even access the scope chain because the env object has __parent__ property that returns the parent scope.
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May I see some of your projects? :)
Few of my Open Source projects: * jQuery terminal * LIPS Scheme * Gaiman * Sysend * Wayne
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Async / Await in Scheme
(define promise (--> '>(fetch "https://lips.js.org/") (then (lambda (res) (res.text))) (then (lambda (text) (. (text.match #/\s*([^>]+?)\s*<\/h1>/) 1)))))
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Yes we are men. Men is what we are.
ngl when I first saw the headline my first thought was, “Wait, bring CAR into JavaScript? Make it a Lisp? But hasn't it already been done?”
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If you were hired to create a new distribution of Lisp, what would you include?
Languages like Biwa Scheme and LIPS Scheme are good for running Scheme in the browser. But I would prefer compiling Scheme code to JavaScript in the server, then serving the compiled JavaScript image to the browser.
What are some alternatives?
maplibre-gl-js - MapLibre GL JS - Interactive vector tile maps in WebGL2
scheme-lsp-server
mapbox-gl-js - Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL
biwascheme - Scheme interpreter written in JavaScript
pg-mem - An in memory postgres DB instance for your unit tests
murex - A smarter shell and scripting environment with advanced features designed for usability, safety and productivity (eg smarter DevOps tooling)
procedural-gl-js - Mobile-first 3D mapping engine with emphasis on user experience
atbswp - A minimalist macro recorder
cratetorrent - A BitTorrent V1 engine library for Rust (and currently Linux)
osmosis-js - JS reference implementation of Osmosis, a JSON data store with peer-to-peer background sync
io-ts - Runtime type system for IO decoding/encoding
spleeter-web - Self-hostable web app for isolating the vocal, accompaniment, bass, and drums of any song. Supports Spleeter, D3Net, Demucs, Tasnet, X-UMX. Built with React and Django.