Haskell Weekly

Welcome to another issue of Haskell Weekly! Haskell is a safe, purely functional programming language with a fast, concurrent runtime. This is a weekly summary of what’s going on in its community.

Featured

• GHC 9.6.1 is now available by Ben Gamari

  The GHC team is very pleased to announce the availability of GHC 9.6.1. Beginning with GHC 9.6.1, GHC can be built as a cross-compiler to WebAssembly and JavaScript.

• Just released: cabal 3.10.1.0 by Mikolaj Konarski

  The cabal team is proud to announce the release of cabal 3.10.1.0. This is mainly a bugfix release, but it has some new features and enhancements as well.

• Haskell Tiny Game Jam 2023 Results by Simon Michael

  We are very pleased to announce… the results of Haskell Tiny Game Jam 2023! Congratulations and thanks to all participants!

• Interface Files with Core Definitions by Matthew Pickering

  In this post, I will explain a new feature which allows GHC to store the Core definitions of entire modules in interface files.

• Parsing Permutations by Alex Washburn

  Despite the module’s small interface, simple type signatures, and succinct code, I greatly appreciate the practicality provided as well as the theoretical underpinnings.

• What’s new in GHC 2021 by Chris Martin

  A complete overview of the modern Haskell defaults.

Jobs

• Haskell Developer at Bellroy

Trying to hire a Haskell developer? You should advertise with us!

In brief

• Category Theory Illustrated: Functors by Boris Marinov

  From this chapter on, we will change the tactic a bit (as I am sure you are tired of jumping through different subjects) and we will dive at full throttle into the world of categories, using the structures that we saw so far as context.

• Competitive programming in Haskell challenge: Letter Optimization by Brent Yorgey

  I won’t tell you what the topic is quite yet — for now, I challenge you to use Haskell to solve Letter Optimiztion!

• Elastically scalable thread pools by Stevan Andjelkovic

  An experiment in controlling the size of a thread pool using a PID controller.

• GHC 9.6.1 Announces Javascript Cross-Compilation by Tom Smykowski

  In the final days of Javascript, Haskell announces cross-compilation technical preview to make Web purely functional for real.

• GHC 9.6.1 Includes Javascript Backend by Monday Morning Haskell

  Some exciting news this week, as the release of GHC 9.6.1 includes the merger of a couple of different web-based backends - one for Web Assembly and one for Javascript.

• haskell-flake 0.2.0 released by Sridhar Ratnakumar

  I’d like to announce the 2nd release of haskell-flake, which aims to be the simplest way to nixify most Haskell projects.

• Haskell Foundation DevOps Weekly Log, 2023-03-15 by Bryan Richter

  Hello, welcome to the next weekly log.

• IOG GHC Update #5 by IOG

  Biweekly update from the GHC DevX team at IOG.

• More good news from the Ogma team — Space ROS by Ivan Perez

  Ogma (written in Haskell) is now a recommended tool for monitoring in Space ROS applications.

• Why Organizations Pick Haskell and Why You Should Care by Obsidian Systems

  Haskell attracts students, researchers, and passionate engineers, thanks to its maturity and vibrant community who are deeply involved in various opensource projects and its gift economy approach.

Call for participation

• streamly: Expose wordsBy from Data.Stream module