Haskell Planetarium
Link aggregator of discussions about the
Haskell
programming language
Discourse
I have to be shouted that this 'hoist' on Free Monad is impossible?
Wed 2025/11/12
Welcome to dataHaskell (revived)!
1 answer
Wed 2025/11/12
Linking `ghc` the package is painfully slow on Fedora
3 answers
Tue 2025/11/11
Servant by construction - a blog series on Haskell's web stack gem
1 answer
Tue 2025/11/11
Expired cert for haskell.org, now repaired
Tue 2025/11/11
A Joint Statement on Sustainable Stewardship
Tue 2025/11/11
GHC 9.12.3-rc2 is now available
Tue 2025/11/11
Survey and Opinions: Backtracking in Parsers
Mon 2025/11/10
Core generated with GHC-9.14.1-rc1 appears to be lazier?!
3 answers
Sat 2025/11/08
[SOLVED] Help! rio-0.1.22.0 to 0.1.23.0 problem
12 answers
Fri 2025/11/07
Reddit
Welcome to dataHaskell (revived)!
2 comments
Tue 2025/11/11
Mutexes suck: a love letter to STM
3 comments
Tue 2025/11/11
Quantum computing
4 comments
Tue 2025/11/11
Going to learn Haskell and build a project in it regardless of job prospects.
16 comments
Tue 2025/11/11
[ANN] New paper on compliance with NASA SW engineering requirements in Copilot
Mon 2025/11/10
Functional programming
3 comments
Mon 2025/11/10
Parsing an HTTP Request — Monday Morning Haskell
1 comment
Mon 2025/11/10
Learning Compilers, Interpreters and Parsers
8 comments
Sun 2025/11/09
Trait-Constrained Enums in Rust (simulating Haskell-style GADTs)
6 comments
Sat 2025/11/08
Haskell Pong in the browser, via GHC WASM
8 comments
Fri 2025/11/07
Planet Haskell
Chris Penner: Ditch your (mut)ex, you deserve better
Tue 2025/11/11
Monday Morning Haskell: Parsing an HTTP Request
Mon 2025/11/10
Derek Elkins: Umbral Calculus
Mon 2025/11/10
Magnus Therning: Making a theme based on modus
Sat 2025/11/08
GHC Developer Blog: GHC 9.14.1-rc2 is now available
Tue 2025/11/04
Monday Morning Haskell: Defining Types for a Simple HTTP Server
Mon 2025/11/03
Oskar Wickström: Computer Says No: Error Reporting for LTL
Fri 2025/10/31
Manuel M T Chakravarty: Applicative code —the IDE for functional programming— is now in beta and sports a Bluesky account to…
Fri 2025/10/31
Well-Typed.Com: Case Study: Debugging a Haskell space leak
Fri 2025/10/31
Haskell Interlude: 72: Manuel Chakravarty
Thu 2025/10/30
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
Haskell Foldr ADT from a List of Expressions into a single expression
Tue 2025/11/11
Is there a way to tuck in Ord inside Applicative?
3 answers
Sat 2025/11/08
Ambigous type variable in tagless final mini language
2 answers
Sat 2025/11/01
What is the formal name for GHC automatically adapting less-constrained functions to more-constrained rank-2 arguments?
1 answer
Thu 2025/10/23
Understanding usage of withFileBlocking with named pipes
1 answer
Mon 2025/10/20
How do I make the "return" function from the Monad class return a phantom parameter?
1 answer
Fri 2025/10/17
Merge every element of 2 lists of lists
2 answers
Thu 2025/10/16
Is there a way to check for an instance of a class (with Haskell extensions)?
1 answer
Wed 2025/10/15
On implementing map in terms of fold for a binary tree in Haskell
1 answer
Mon 2025/10/13
Haskell ghci ocupying too much memory
2 answers
Wed 2025/10/08
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 497 - 2025-11-06
Thu 2025/11/06
Issue 496 - 2025-10-30
Thu 2025/10/30
Issue 495 - 2025-10-23
Thu 2025/10/23
Issue 494 - 2025-10-16
Thu 2025/10/16
Issue 493 - 2025-10-09
Thu 2025/10/09
Issue 492 - 2025-10-02
Thu 2025/10/02
Issue 491 - 2025-09-25
Thu 2025/09/25
Issue 490 - 2025-09-18
Thu 2025/09/18
Issue 489 - 2025-09-11
Thu 2025/09/11
Issue 488 - 2025-09-04
Thu 2025/09/04
