Haskell Planetarium
Link aggregator of discussions about the
Haskell
programming language
Discourse
Can NOINLINE fail to prevent inlining?
2 answers
Sat 2026/06/27
Dev log: implementing new syntax in GHC
2 answers
Sat 2026/06/27
Auto-update-unliftio: auto-update lifted to MonadUnliftIO
Fri 2026/06/26
[Call for Participation]: 2.5 hour Haskell Foundation Online Workshop
4 answers
Fri 2026/06/26
Haskell engineer at LivTours
Fri 2026/06/26
GHC 9.12.5-rc2 is now available
9 answers
Fri 2026/06/26
Jointed functor compositions in Я
Fri 2026/06/26
Haskell-keymap: client library for the Keymapp API
Thu 2026/06/25
There are mutually recursive programs that GHC can't compile
Thu 2026/06/25
Issue 530 :: Haskell Weekly newsletter
Thu 2026/06/25
Reddit
reflex-vty 1.0 release
12 comments
Sat 2026/06/27
newbie learning megaparsec. My code is so mechanical and fragile. Please help.
4 comments
Fri 2026/06/26
Dev log: implementing new syntax in GHC
5 comments
Thu 2026/06/25
Does Haskell's purity still matter as AI-assisted programming gets better?
18 comments
Thu 2026/06/25
First time writing a GHC plugin (checking identity law) - Need some beginner advice
2 comments
Wed 2026/06/24
stock: Stock-style deriving via coercion, with no Generic
1 comment
Wed 2026/06/24
Function that returns a list of all computed values in recursive function
23 comments
Tue 2026/06/23
Learn You A Haskell live notebook
5 comments
Mon 2026/06/22
A Quick Tour of a (WIP) Pure Haskell Software Renderer
11 comments
Sun 2026/06/21
Haskell Active Automata Learning (v0.5.0.0)
Sun 2026/06/21
Planet Haskell
Mark Jason Dominus: It's our language now!
Sat 2026/06/27
Jeremy Gibbons: Progress on the book
Sat 2026/06/27
Mark Jason Dominus: I owe my life to a 1913 road rage incident
Sat 2026/06/27
Chris Reade: PenroseKiteDart User Guide
Fri 2026/06/26
Michael Snoyman: Kabbalah, Haskell, and the ST Monad
Fri 2026/06/26
Brent Yorgey: Proving the Fundamental Theorem of Arithmetic in Agda
Fri 2026/06/26
Philip Wadler: Crank GPT
Wed 2026/06/24
Philip Wadler: Don't Let Them Block Our Indyref Mandate
Wed 2026/06/24
Mark Jason Dominus: Deciphering basmala
Tue 2026/06/23
Gabriella Gonzalez: Record type inference for dummies
Tue 2026/06/23
Stack Overflow
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
Use stack to build executable of a package dependency
2 answers
Thu 2026/06/04
I cannot install cuda haskell package on WSL2
4 answers
Sun 2026/05/31
Optional logging with a writer monad in haskell
5 answers
Fri 2026/05/22
Making VSCode + stack respect .ghcup/env
Thu 2026/04/30
Warning "Defaulting the type variable `a0' to type `Integer'"
1 answer
Wed 2026/04/29
PrimaryKeyed typeclass for Rel8
Tue 2026/04/28
Haskell FunDeps having too much fun
8 answers
Wed 2026/04/22
Why doesn't GHC automatically add injectivity annotation to closed type families (provided that instances don't conflict with it)?
2 answers
Tue 2026/03/31
Code Review Stack Exchange
Augment vi editing mode in haskeline by implementing the ; and , commands
Wed 2025/09/03
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 Weekly
Issue 530 - 2026-06-25
Thu 2026/06/25
Issue 529 - 2026-06-18
Thu 2026/06/18
Issue 528 - 2026-06-11
Thu 2026/06/11
Issue 527 - 2026-06-04
Thu 2026/06/04
Issue 526 - 2026-05-28
Thu 2026/05/28
Issue 525 - 2026-05-21
Thu 2026/05/21
Issue 524 - 2026-05-14
Thu 2026/05/14
Issue 523 - 2026-05-07
Thu 2026/05/07
Issue 522 - 2026-04-30
Thu 2026/04/30
Issue 521 - 2026-04-23
Thu 2026/04/23