Haskell Planetarium
Link aggregator of discussions about the
Haskell
programming language
Discourse
Tetration types: Making IO and RealWorld without Magic
Mon 2026/10/05
Making a GTK application in Haskell, part 1 and 2
2 answers
Mon 2026/10/05
[RFC] yamlet: a YAML 1.2 library
5 answers
Mon 2026/10/05
You don't need an effect system
26 answers
Mon 2026/10/05
Containers-0.8.1 released
Sun 2026/10/04
Refine polynomial types
7 answers
Sat 2026/10/03
Is there any hope that `OrPatters` become more broadly usable?
2 answers
Sat 2026/10/03
Haskell Interlude #87: Edward Kmett
Fri 2026/10/02
Short DevOps Log, September 2026
Fri 2026/10/02
[Well-Typed Blog] Memory profiling of large Haskell applications with ghc-debug
Fri 2026/10/02
Reddit
Making a GTK application in Haskell, part 1
1 comment
Mon 2026/10/05
containers-0.8.1 released
2 comments
Sun 2026/10/04
You don't need an effect system
15 comments
Sat 2026/10/03
Proof of Concept for a dependency injector in Haskell with a Yesod example
6 comments
Fri 2026/10/02
Haskell Interlude #87: Edward Kmett
5 comments
Fri 2026/10/02
[Well-Typed] Memory profiling of large Haskell applications with ghc-debug
6 comments
Fri 2026/10/02
Lenient Aeson
11 comments
Thu 2026/10/01
Myth-busting the impossibility of functional programming hiring
2 comments
Thu 2026/10/01
Monthly Hask Anything (October 2026)
2 comments
Thu 2026/10/01
Teaching Haskell in the Age of LLMs, Part 1: Ban or Embrace?
12 comments
Wed 2026/09/30
Planet Haskell
Mark Jason Dominus: Recent addenda to articles 202609: Errors, omissions, and retractions
Sat 2026/10/03
Haskell Interlude: 87: Edward Kmett
Fri 2026/10/02
Well-Typed.Com: Memory profiling of large Haskell applications with ghc-debug
Fri 2026/10/02
Holden Karau: Yet Another AI Security OSS Externality
Tue 2026/09/29
Philip Wadler: How we could turn Edinburgh into a real cycling city
Mon 2026/09/28
Philip Wadler: Stormtoops and Freikorps Again: A timely Time Warp tribute in memory of Tim Curry
Mon 2026/09/28
Mark Jason Dominus: L-systems generate weevils, pizza toppings, and matriarchal lineages
Fri 2026/09/25
Mark Jason Dominus: The road to epsilon-zero: “Shortlex” isn't actually a single order
Fri 2026/09/25
Well-Typed.Com: Real-Time Telemetry with Eventlog Live
Thu 2026/09/24
Tweag I/O: Tricorder MCP server: feedback your agent won't forget
Thu 2026/09/24
Stack Overflow
How do I run Haskell with ghcid in Vim terminal (i.e. not Neovim, GVim, ...)?
1 answer
Sat 2026/08/29
Why do I have to hit enter twice to evaluate a list comprehension with a local let in GHCi?
1 answer
Sat 2026/08/22
Lazy IO and concurrency in Haskell
2 answers
Wed 2026/08/19
Is it possible to generate a reversed list of reversed permutations of a list?
1 answer
Sun 2026/08/16
How do I turn an algorithm accepting a total function into an algorithm that accepts a function returning Maybe and that returns itself Maybe?
1 answer
Wed 2026/08/12
co-log: ambiguous type variable from a use of `withLog`
Thu 2026/07/30
OpenGL with GLFW code (with haskell bindings) inside WSL2 with NIXOS results in a segfault if taking input form terminal
Thu 2026/07/30
When is a 'rigid type variable' not rigid?
1 answer
Wed 2026/07/08
couldn't use haskell-language-server-9.14.1 with nix
1 answer
Fri 2026/06/12
Methods as higher ordered functions
1 answer
Thu 2026/06/11
Code Review Stack Exchange
How to implement an AVL tree efficient enough in Haskell?
1 answer
Tue 2025/04/01
Pattern Finding In Lists of Strings (2d Char Array), Advent of Code Day 04 Solution
2 answers
Fri 2024/12/20
Value-level proofs of type-level membership and subset relations in Haskell
Fri 2024/12/06
HackerRank, Haskell simple "compression" algorithm
3 answers
Sun 2024/08/18
Scraping the calendar of some public libraries from their websites
1 answer
Sat 2024/08/03
Haskell 2-player TicTacToe terminal game
1 answer
Fri 2024/06/07
Parse 2D Cartesian coordinates and output their Polar form
1 answer
Mon 2024/05/13
Last Stone Weight Problem in Haskell Using `fold`
Fri 2024/03/29
Last Stone Weight Problem in Haskell using list `insert`
1 answer
Tue 2024/03/19
Haskell code optimization for short Pi approximator
1 answer
Sun 2023/10/29
Haskell Weekly
Issue 544 - 2026-10-01
Thu 2026/10/01
Issue 543 - 2026-09-24
Thu 2026/09/24
Issue 542 - 2026-09-17
Thu 2026/09/17
Issue 541 - 2026-09-10
Thu 2026/09/10
Issue 540 - 2026-09-03
Thu 2026/09/03
Issue 539 - 2026-08-27
Thu 2026/08/27
Issue 538 - 2026-08-20
Thu 2026/08/20
Issue 537 - 2026-08-13
Thu 2026/08/13
Issue 536 - 2026-08-06
Thu 2026/08/06
Issue 535 - 2026-07-30
Thu 2026/07/30