@roc_lang

The Roc Programming language

roc-lang.org
Joined September 2020
  • Tweets44
  • Following5
  • Followers2.8K
16Media
A Preview of Roc 0.1.0 by @rtfeldman at Func Prog Sweden @roc_lang first numbered release, 0.1.0, is on the horizon. This talk previews what we’re aiming to include, the key language and tooling milestones needed to get there. youtu.be/a7qEOtkkDb8

A Preview of Roc 0.1.0 by Richard Feldman

Roc’s first numbered release, 0.1.0, is on the horizon. This talk p...

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I spent a few minutes diving into this philosophy in my "Dependency Cultures" talk from Software Should Work a couple weeks ago. Now the recording is up! youtu.be/E82ly38YEEQ?si=E1we…

Dependency Cultures - Richard Feldman | SSW 2026

Abstract: Some software depends on no third-party code. Some depend...

youtube.com
Mitchell Hashimoto
@mitchellh
May 20
Fork your dependencies, trim them to only your use case, never update unless it breaks for your users. I’ve been vocal about this for 10+ years. I’ve always said that updating is way riskier than latent bugs (which can be tracked and CVEs monitored). If you are updating a dependency, it’s on you to analyze every single commit in the full transitive set of dependencies. If you dont see anything compelling, dont update! I remember at HashiCorp once in awhile an engineer would try to update a dep or replace a DIY lib with an external one and id always ask “show me the commit we need.” Dont update for the sake of it. Feeling pretty swell about this mentality with all the supply chain attacks happening.
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A Preview of @roc_lang 0.1.0 by @rtfeldman Register for free and read more at: meetup.com/func-prog-sweden/… And you can join from anywhere as we are live streaming.
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Since the @bunjavascript folks recently wrote about their experience moving from Zig to Rust, it seemed like a good time to write about our experience rewriting @roc_lang from Rust to Zig! rtfeldman.com/rust-to-zig
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A longtime member of the Roc community just launched a new conference! "Software Should Work" will be in Columbia, Missouri on July 16-17. The speaker lineup includes Andrew Kelly (@ziglang) and our very own @rtfeldman 🔥 Check it out at softwareshould.work

Software Should Work

An independent conference on software reliability in Columbia, MO on July 16-17, 2026

softwareshould.work
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This is not a sponsored post, we just think the conference will be awesome!
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New syntax, new compiler, new Roc ✨ Watch the full talk on where the language is today and where we’re going: youtu.be/VnPw9rk8FI8?si=Qbke…

Richard Feldman, "New Ways to Roc!"

In the past year, Roc has gotten a new syntax, a new foundational a...

youtube.com
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Massive thanks to our new corporate sponsor, @class_lambda! 🎉 We really appreciate the support. 💜
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The @roc_lang track is live on @exercism_io! Exercism is a fantastic platform for learning programming languages and I'm very happy to say that Roc is now part of it. To mark the occasion I wrote a blog post about one of my solutions: isaacvando.com/roc-exercism-…

Roc, Exercism, Forth!

Explore Roc's error handling through a Forth interpreter implementation. Learn about Roc's launch on Exercism and dive into stack-based programming concepts.

isaacvando.com
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Here's something useful! Pure Roc implementations of: ⭐️SHA-256 ⭐️HMAC-SHA 256 ⭐️Base64 ⭐️Hexadecimal strings github.com/quelgar/roc-utils (Security note: these aren't trying to be resilient to timing attacks, so only use them for use cases where timing attacks aren't a concern!)

GitHub - quelgar/roc-utils: Miscellaneous utility functions for the Roc language

Miscellaneous utility functions for the Roc language - quelgar/roc-utils

github.com
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Someone at #sycl24 was just talking about organizing a @roc_lang conference in Côte d'Azur in the next year or so...if that existed, would you want to attend? 😃
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Thanks to Alf Richter for creating a Roc extension for @zeddotdev - it has both a language server integration and tree-sitter grammar for syntax highlighting! github.com/h2000/zed-roc
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Here's something useful that comes up a lot: a @roc_lang package by @imclerran for parsing ISO-8601 date/time strings! 🎉 github.com/imclerran/Roc-Iso…

GitHub - imclerran/roc-isodate: A Roc package for parsing ISO Date/Time strings. 📆⏰📦

A Roc package for parsing ISO Date/Time strings. 📆⏰📦 - imclerran/roc-isodate

github.com
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Here's something @isaacvando used the same platform to create: a drum machine! 🎶 Try it in the browser: isaacvando.github.io/roc-dru… Code: github.com/isaacvando/roc-dr… Beats in video created by @bhansconnect's wife! 🎧
Roc@roc_lang
17 Jan 2024
Check this out: a fun little game with a familiar bird! 🦅 Here's the @roc_lang source code, plus a link to play it in the browser on @itchio: github.com/lukewilliamboswel…
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Check this out: a fun little game with a familiar bird! 🦅 Here's the @roc_lang source code, plus a link to play it in the browser on @itchio: github.com/lukewilliamboswel…
Roc@roc_lang
9 Jan 2024
Write @wasm4_org games in Roc! 🔥 github.com/lukewilliamboswel… Example games: 🐍Snake github.com/lukewilliamboswel… 🔊 Sound generator github.com/lukewilliamboswel… Bonus: a tip about hot code loading on it: roc.zulipchat.com/#narrow/st… Created by @bhansconnect and @bosyluke! 🎉
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Write @wasm4_org games in Roc! 🔥 github.com/lukewilliamboswel… Example games: 🐍Snake github.com/lukewilliamboswel… 🔊 Sound generator github.com/lukewilliamboswel… Bonus: a tip about hot code loading on it: roc.zulipchat.com/#narrow/st… Created by @bhansconnect and @bosyluke! 🎉
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My first commit in @roc_lang : the Raytracer challenge github.com/uberto/raytracer/ Roc is a really interesting language, and a lot of fun!

GitHub - uberto/raytracer: Raytracer Challenge in Roc

Raytracer Challenge in Roc. Contribute to uberto/raytracer development by creating an account on GitHub.

github.com
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Thanks so much to our first Australian corporate sponsor, Decem! 🇦🇺 Their announcement post: linkedin.com/posts/decemau_a… Thank you so much for helping move Roc forward! 🎉

As a leader in ILS software, we are committed to innovation that provides exceptional quality for...

As a leader in ILS software, we are committed to innovation that provides exceptional quality for our clients both today and tomorrow.   We are proud to announce that today we have become corporate...

linkedin.com
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If your employer is interested in sponsoring Roc's development, send me a DM and we can sort out the details!
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Thanks to everyone posting in Roc Zulip about their experiences using Roc for Advent of Code! It's great to see the solutions people are coming up with, along with all the feedback, bug reports, and enjoyment: roc.zulipchat.com/#narrow/st…
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