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

• Haddock now lives in the GHC repository by Hécate Moonlight

  Today, the migration of the Haddock documentation generation program to live in the GHC repository has been finalised, with great help from @bgamari.

• Haskell, Lean, Idris, and the Art of Writing by David Christiansen

  In this episode we talk with David Christiansen, he wrote the books Functional Programming in Lean and the Little Typer. He has also worked as the Executive Director of the Haskell Foundation, at Galois and did his PhD developing a bunch of cool stuff for Idris.

• Hyperbole - Interactive HTML applications with type-safe serverside Haskell. Like typed HTMX by Sean Hess

  When I released web-view 6 months ago, I said I was “weeks” away from releasing a framework for interactive web apps built on top of it. Well it’s been 26 weeks, and it’s finally ready!

• Live Reloading Haskell GUI From Scratch by Tristan de Cacqueray

  This post shows how to setup a live reloading workflow to develop graphical user interfaces (GUI) with Haskell on Fedora Linux from scratch.

• Prefer do notation over Applicative operators when assembling records by Gabriella Gonzalez

  This is a short post explaining why you should prefer do notation when assembling a record, instead of using Applicative operators (i.e. (<$>)/(<*>)).

• The Haskell Unfolder Episode 26: variable-arity functions by Andres Löh, Edsko de Vries

  In this episode, we will take look at how one can use Haskell’s class system to encode functions that take a variable number of arguments, and also discuss some examples where such functions can be useful.

Jobs

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

In brief

• GHC release plans by Zubin Duggal

  This post sets out our plans for upcoming releases in the next few months.

• Nix, cabal, and tests by Magnus Therning

Show & tell

• cabal-audit - please try it out by MangoIV

  I have made a small tool that can check your haskell applications against the security-advisories database kindly maintained by the haskell security working group.

• Static linking on Nix with GHC 9.6 by Troels Henriksen

Call for participation

• rhine: Haddocks often miss structure
• unison: upgrade autocompletion: don’t recommend 2nd arg that is same as 1st