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Haskell programming language

@haskell.org

Committed to a welcoming, vibrant & flourishing #Haskell community! Here we talk about community updates, software engineering and the joy of programming. Find us on https://haskell.org and https://blog.haskell.org

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Latest posts by Haskell programming language @haskell.org

🥸👍

06.03.2026 09:48 👍 18 🔁 0 💬 0 📌 0
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Layoutz 0.3.2 🪶 Zero-dep Elm-style TUI’s for Haskell - now w/ terminal plots & more Hello! Layoutz has quite some improvements including built-in granite-esque plots. Thanks for your great feedback thus far … sure you will find some more rough edges.

Layoutz! Zero-dep Elm-style TUI’s for #Haskell - now w/ terminal plots & more

discourse.haskell.org/t/layoutz-0-...

04.03.2026 14:19 👍 28 🔁 5 💬 0 📌 0

👍🥸

03.03.2026 16:37 👍 0 🔁 0 💬 0 📌 0
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Branch weight support by iand675 · Pull Request #744 · ghc-proposals/ghc-proposals Rendered

Notorious mad lad @iankduncan.com has opened a GHC Proposal to add hints to guide branch prediction! github.com/ghc-proposal...

This may be key to better register allocation and code layout.

#Haskell

03.03.2026 11:08 👍 20 🔁 2 💬 1 📌 0
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State of Haskell 2025 results At the end of 2025, the Haskell Foundation re-started the Haskell Yearly Survey. I’d like to thank Taylor Fausak for being supportive of our effort in conducting these surveys. The last survey was con...

It's there folks! The results of the State of #Haskell 2025 survey have been published

discourse.haskell.org/t/state-of-h...

02.03.2026 20:10 👍 13 🔁 5 💬 0 📌 0
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HaskellOrg (@haskell@fosstodon.org) 221 Posts, 14 Following, 466 Followers · Committed to a welcoming, vibrant & flourishing #Haskell community! Here we talk about community updates, software engineering and the joy of programming.

The account on X is not used anymore. We are here, and on the Fediverse: fosstodon.org/@haskell

02.03.2026 13:23 👍 0 🔁 0 💬 0 📌 0

A very interesting write-up on the implementation of Sabela!

02.03.2026 08:45 👍 8 🔁 1 💬 0 📌 0

🥸👍

28.02.2026 14:34 👍 20 🔁 0 💬 0 📌 0

Think I may get to actually be a compiler engineer for a bit here. Discovered that GHC has some pretty ripe opportunities for codegen improvements for AArch64

28.02.2026 10:44 👍 29 🔁 2 💬 1 📌 1
A collage of several examples of 2D Graphics programming, including a version of the 2048 game, a chess board, pacman, snake, tetris and a tic-tac-toe

A collage of several examples of 2D Graphics programming, including a version of the 2048 game, a chess board, pacman, snake, tetris and a tic-tac-toe

Brillo 2.0 - Production ready 2D graphics

#Haskell #Graphics

discourse.haskell.org/t/brillo-2-0...

27.02.2026 20:04 👍 19 🔁 0 💬 0 📌 0

Congratulations, all the best to you two!

26.02.2026 13:34 👍 4 🔁 0 💬 1 📌 0

Functional programming is a sub-family in the larger Declarative Programming genre. It's just that some languages have evolved from Declarative without taking the Functional road, like Logic languages (Prolog/Datalog) and Query Languages (SQL).

26.02.2026 10:23 👍 1 🔁 0 💬 0 📌 0
Documentation The Haskell purely functional programming language home page.

Lambda calculus, much like drawing, only needs a pencil and some paper. No need to plan for the Moon, just write and draw to get used to it. :)

And then you can pick a book www.haskell.org/documentation/

26.02.2026 10:20 👍 3 🔁 0 💬 1 📌 0
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Exported for tests only: Precise control over API visibility with custom warnings This article describes a pattern made possible by recent advances in GHC 9.8, to allow library authors to control how internal data constructors can be labelled as unsafe for human consumption, while ...

Exported for tests only: Precise control over API visibility with custom warnings

#Haskell

tech.scrive.com/exported-for...

24.02.2026 14:31 👍 11 🔁 3 💬 0 📌 0
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New Haskell Debugger Release: v0.12 I’m happy to announce a new release of the new modern step-through interactive debugger (haskell-debugger). You can find installation instructions in GHC Debugger. Here’s the changelog for haskell-de...

New #Haskell Debugger Release: v0.12

discourse.haskell.org/t/new-haskel...

24.02.2026 13:56 👍 11 🔁 0 💬 0 📌 0

Cheers, the post was deleted

24.02.2026 11:51 👍 2 🔁 0 💬 0 📌 0
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[ANN] sabela - A reactive Notebook for Haskell Sabela is a reactive notebook environment for Haskell. The name is derived from the Ndebele word meaning “to respond.” The project has two purposes. Firstly, it is an attempt to design and create a mo...

Sabela - A reactive Notebook for #Haskell by the DataHaskell project

Announcement: discourse.haskell.org/t/ann-sabela...

Github Repository: github.com/DataHaskell/...

24.02.2026 11:09 👍 9 🔁 4 💬 0 📌 0

of course it uses FFI :)

22.02.2026 18:59 👍 1 🔁 0 💬 0 📌 0
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Updated iced-hs to iced 0.14 Initially announced here, iced-hs is a Haskell wrapper for iced Rust library. It provides an Elm-like way to build desktop apps. Currently, there’s a segfault with new Rust versions. Yet, I felt ther...

Iced-hs, a #Haskell wrapper for the #Rust GUI library iced-rs, has been updated to iced 0.14.

Read more details at discourse.haskell.org/t/updated-ic...

22.02.2026 18:53 👍 13 🔁 1 💬 1 📌 0

Awesome. :)

22.02.2026 18:32 👍 0 🔁 0 💬 0 📌 0
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[ANN] kdl-hs 1.0.0 released with v2 support kdl-hs is a parser for the KDL configuration language, providing both monadic and arrow-based decoding functionality. v1.0.0 reimplements the parser to be v2 compliant. The parser now preserves forma...

[ANN] kdl-hs 1.0.0 released with v2 support

kdl-hs is a parser for the #KDL configuration language, now compliant with the v2 standard.

discourse.haskell.org/t/ann-kdl-hs...

#Haskell

22.02.2026 10:11 👍 8 🔁 1 💬 1 📌 0
Making Haskell Talk to PostgreSQL Without Suffering - Ian Duncan How to eliminate the three performance taxes that make database queries slow: encoding overhead, round-trip latency, and N+1 query patterns.

New post: making a 200ms request into a 4ms request
www.iankduncan.com/engineering/...

21.02.2026 06:57 👍 15 🔁 6 💬 0 📌 2

🥸👍

20.02.2026 20:14 👍 24 🔁 2 💬 1 📌 0

Good luck to the other Haskell in these times.

20.02.2026 20:13 👍 50 🔁 5 💬 0 📌 0

🥸👍

17.02.2026 19:48 👍 45 🔁 4 💬 2 📌 0

Welcome home :)

14.02.2026 15:12 👍 1 🔁 0 💬 0 📌 0
Haskell for Elm developers: giving names to stuff (Part 6 - Foldable) A series of blog posts for explaining Haskell to Elm developers interested to learn the language that powers the compiler for their favourite language!

New post in the #Haskell for #Elm developer series: part 6 discussing Foldable is out! 🪭👊🚀 flaviocorpa.com/haskell-for-...

13.02.2026 13:26 👍 9 🔁 1 💬 1 📌 0

hell yes

13.02.2026 10:42 👍 1 🔁 0 💬 0 📌 0

Almost, it means that satiety will only be determined by what you ingest 🥸👍

13.02.2026 10:38 👍 1 🔁 0 💬 0 📌 0

Your mum rocks 🥸👍

12.02.2026 20:24 👍 43 🔁 4 💬 1 📌 0