Haskell Planetarium
Link aggregator of discussions about the
Haskell
programming language
Discourse
Impact of type families on type inference
1 answer
Mon 2026/02/23
Oddities with the haskell language server
1 answer
Sun 2026/02/22
Esqueleto postgis v4
Sun 2026/02/22
Index Haddock (again)
Sun 2026/02/22
Call for Participation: Functional and Logic Programming (FLOPS, May 26-28, Tsukuba)
Sun 2026/02/22
Breaking changes in time 1.15 / GHC 9.14
5 answers
Sun 2026/02/22
Updated iced-hs to iced 0.14
Sun 2026/02/22
Ghc-debug-web - Web visualiser for ghc-debug
2 answers
Sat 2026/02/21
[ANN] kdl-hs 1.0.0 released with v2 support
Sat 2026/02/21
Haskell for Elm developers part 6: Foldable
Fri 2026/02/20
Reddit
Announcement: Esqueleto postgis v4
Sun 2026/02/22
Anyone knows how to integrate HSpec with VSCode's Test UI?
1 comment
Sun 2026/02/22
A Tiny Code Agent in Haskell
Sun 2026/02/22
What happened to Haskell Certification program?
1 comment
Sat 2026/02/21
Making Haskell Talk to PostgreSQL Without Suffering
11 comments
Sat 2026/02/21
Whether AI will take our jobs (clickbait title)
17 comments
Sat 2026/02/21
How do you make a haskell project modular..
5 comments
Sat 2026/02/21
Need functional programming course that awards ETCS
8 comments
Fri 2026/02/20
Haskell Exercises have been released + OAuth Setup + Rebranding
11 comments
Fri 2026/02/20
[ANN] Stack 3.9.3
1 comment
Thu 2026/02/19
Planet Haskell
Haskell Interlude: 77: Franz Thoma
Sun 2026/02/22
Tweag I/O: Nickel since 1.0
Thu 2026/02/19
Magnus Therning: Switching to project.el
Tue 2026/02/17
Magnus Therning: Using advice to limit lsp-ui-doc nuisance
Mon 2026/02/16
Gabriella Gonzalez: Browse code by meaning>
Mon 2026/02/16
Mark Jason Dominus: Language models imply world models
Thu 2026/02/12
Holden Karau: New year new job, same projects
Thu 2026/02/12
Tweag I/O: How I learnt to stop worrying and love AI
Thu 2026/02/12
Well-Typed.Com: hs-bindgen 0.1-alpha release
Tue 2026/02/10
Gabriella Gonzalez: Beyond agentic coding>
Sat 2026/02/07
The Haskell Café mailing list
Takeover of AvlTree and COrdering
Fri 2025/08/22
GHC 9.10.3-rc4 is now available
Mon 2025/08/18
GHC 9.10.3-rc3 is now available
1 reply
Fri 2025/08/08
TargirDotCom
Thu 2025/08/07
شهادة الأبوة في المغرب
Thu 2025/08/07
Correct parsers for bounded integral values
24 replies
Thu 2025/08/07
GHC 9.10.3-rc2 is now available
Wed 2025/08/06
POPL 2026 Call For Tutorials
Wed 2025/08/06
ICFP 2025 (Co-Located with SPLASH!): Call for Participation
Sun 2025/08/03
-i in OPTIONS_GHC
4 replies
Wed 2025/07/30
Stack Overflow
What is generativity of Type->Type functions?
Sat 2026/02/21
Are GADTs only syntactic sugar?
1 answer
Fri 2026/02/20
Compose const with itself n times
2 answers
Mon 2026/02/16
Are Void and () isomorphic in the presence of laziness?
3 answers
Sun 2026/02/08
How can a type with all constructors having a field mapped to Void via a type family have any values at all?
1 answer
Fri 2026/02/06
How to avoid the partial function Map.lookup, when the key is known to be in the map?
3 answers
Sat 2026/01/31
How to use a dependency's extra-lib-dirs in stack.yaml
1 answer
Wed 2026/01/28
HLS "Couldn't match type" / version mismatch on Windows 10 while Cabal builds fine
Fri 2026/01/23
Why does Haskell print in this format?
4 answers
Fri 2026/01/16
Obtaining mutable arrays from immutable
1 answer
Wed 2026/01/07
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 512 - 2026-02-19
Thu 2026/02/19
Issue 511 - 2026-02-12
Thu 2026/02/12
Issue 510 - 2026-02-05
Thu 2026/02/05
Issue 509 - 2026-01-29
Thu 2026/01/29
Issue 508 - 2026-01-22
Thu 2026/01/22
Issue 507 - 2026-01-15
Thu 2026/01/15
Issue 506 - 2026-01-08
Thu 2026/01/08
Issue 505 - 2026-01-01
Thu 2026/01/01
Issue 504 - 2025-12-25
Thu 2025/12/25
Issue 503 - 2025-12-18
Thu 2025/12/18