Haskell Planetarium

Link aggregator of discussions about the Haskell programming language

Discourse

Haskell vs Rust from FPBlock
6 answers
Wed 2025/07/09
Automatically Packaging a Haskell Library as a Swift Binary XCFramework
3 answers
Wed 2025/07/09
GHC 8.10.7 on Mac, but LLVM12 is disabled?
Tue 2025/07/08
Haskell Interlude 67: Alex McLean
Tue 2025/07/08
Infrastructure Independence!
2 answers
Mon 2025/07/07
Fork `basement`? As `baseplate`?
2 answers
Sat 2025/07/05
Agda 2.8.0 released
Sat 2025/07/05
Add a RFC category?
Fri 2025/07/04
GHC Proposal: QualifiedLiterals
Fri 2025/07/04
How to avoid duplicate builds for modules in a 'common' stanza across components?
3 answers
Fri 2025/07/04

Reddit

AST nodes types autogeneration
1 comment
Tue 2025/07/08
Built a Haskell tool for Euterpea
5 comments
Tue 2025/07/08
What do you use for crawling
15 comments
Tue 2025/07/08
Automatically Packaging a Haskell Library as a Swift Binary XCFramework
2 comments
Tue 2025/07/08
Haskell Interlude 67: Alex McLean
Tue 2025/07/08
Haskell Infrastructure Independence
1 comment
Mon 2025/07/07
[ANN] A user guide to ghci4luatex
Mon 2025/07/07
How do you make a parser with megaparsec that is polymorphic?
10 comments
Sat 2025/07/05
Pear Trees: An indexed type using type-level binary numbers
12 comments
Sat 2025/07/05
GHCI issue
5 comments
Fri 2025/07/04

Planet Haskell

Haskell Interlude: 67: Alex McLean
Mon 2025/07/07
Monday Morning Haskell: Binary Search in Haskell and Rust
Mon 2025/07/07
Tweag I/O: Bazel workshop made public
Thu 2025/07/03
Monday Morning Haskell: Buffer & Save with a Challenging Example
Mon 2025/06/30
Magnus Therning: Reading Redis responses
Sat 2025/06/28
Brent Yorgey: Competitive programming in Haskell: prefix sums
Fri 2025/06/27
Well-Typed.Com: Haskell records in 2025 (Haskell Unfolder #45)
Wed 2025/06/25
Haskell Interlude: 66: Daniele Micciancio
Tue 2025/06/24
Monday Morning Haskell: The Sliding Window in Haskell & Rust
Mon 2025/06/23
Brent Yorgey: Competitive programming in Haskell: range queries, classified
Mon 2025/06/23

The Haskell Café mailing list

Real-Time Intelligent Systems 2025
Mon 2025/07/07
POPL 2026 Last Call for Papers
Fri 2025/07/04
Fifth International Conference on Digital Data Processing (DDP 2025)
Fri 2025/07/04
ICFP/SPLASH 2025: call for volunteers
Thu 2025/07/03
Postdoctoral Researcher Position at the University of Tartu
Tue 2025/07/01
Intent to take over maintainership of cql and cql-io
Mon 2025/06/30
Edited page on HaskellWiki cannot be stored
Tue 2025/06/24
gitlab.haskell.org sign-in from new location
Tue 2025/06/24
POPL 2026 Call for Papers
Mon 2025/06/23
POPL 2026 Call for Workshops
Mon 2025/06/23

Stack Overflow

Can I set the locale from within a Haskell program, so I can print unicode characters appropriately?
1 answer
Tue 2025/07/08
How does Haskell understand this function? Weird behavior
2 answers
Mon 2025/07/07
How to represent a potentially infinite list of computation as an algebraic datatype
1 answer
Mon 2025/07/07
Stack-style sandboxed Haskell/GHC builds without dependency pinning
1 answer
Mon 2025/07/07
Redundant pattern matching slowing down our Haskell program
1 answer
Mon 2025/07/07
How do I define recr using foldr in Haskell?
1 answer
Sat 2025/07/05
GHC.Record : Record data type may not be a data family
1 answer
Wed 2025/07/02
Is Haskell-Beam Deserialization slow?
Wed 2025/07/02
How to use `rename` in haskell extention for VSCode?
1 answer
Mon 2025/06/30
Use of !! in memoization
2 answers
Sat 2025/06/28

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 479 - 2025-07-03
Thu 2025/07/03
Issue 478 - 2025-06-26
Thu 2025/06/26
Issue 477 - 2025-06-19
Thu 2025/06/19
Issue 476 - 2025-06-12
Thu 2025/06/12
Issue 475 - 2025-06-05
Thu 2025/06/05
Issue 474 - 2025-05-29
Thu 2025/05/29
Issue 473 - 2025-05-22
Thu 2025/05/22
Issue 472 - 2025-05-15
Thu 2025/05/15
Issue 471 - 2025-05-08
Thu 2025/05/08
Issue 470 - 2025-05-01
Thu 2025/05/01