Haskell Planetarium
Link aggregator of discussions about the
Haskell
programming language
Discourse
Auto-split: Automatic case splitting GHC plugin
6 answers
Sun 2025/02/16
PatternMatchable, Yoneda Embedding, and Adjunction
1 answer
Sat 2025/02/15
Why I need instance for `Show (Maybe String)`?
2 answers
Sat 2025/02/15
[GHC API stability] Update #3
Fri 2025/02/14
Implementing `cycle` with a fold
5 answers
Thu 2025/02/13
When using `scanr` to replace `foldr` Haskell warns me "Couldn't match type: [Maybe v]"
4 answers
Thu 2025/02/13
Issue 459 :: Haskell Weekly newsletter
Thu 2025/02/13
How to understand type `Map.Map a b` in Data.Map and `a -> b`?
4 answers
Thu 2025/02/13
Dependency bound bumping using Renovate
Thu 2025/02/13
The Haskell Unfolder Episode 39: deriving strategies
Wed 2025/02/12
Reddit
Why can't GHC's `Type` AST represent e.g. `(Map Char) Int` but it _can_ represent `(p a) c`?
Mon 2025/02/17
GHC: How to build a native compiler for a new architecture, not cross-compiler?
Mon 2025/02/17
Propositional function code from Haskell Road text
2 comments
Mon 2025/02/17
Feedback for begginer´s project
5 comments
Sat 2025/02/15
"Couldn't find a working/matching GHC installation. Consider installing ghc-9.10.1 via ghcup or build HLS from source" error in VScode
7 comments
Sat 2025/02/15
Looking for actionable advice towards getting a Haskell job
11 comments
Sat 2025/02/15
PatternMatchable, Yoneda Embedding, and Adjunction - Show and Tell
2 comments
Sat 2025/02/15
How unboxed arrays are fast in comparison to traversing data allocated manually in ForeignPtr?
6 comments
Sat 2025/02/15
Reader and Symbol Table
2 comments
Fri 2025/02/14
Failed to build warp-3.4.7
5 comments
Fri 2025/02/14
Planet Haskell
Sandy Maguire: Bidirectional Instance Contexts
Sat 2025/02/15
Tweag I/O: Bashfulness
Thu 2025/02/13
Oleg Grenrus: PHOAS to de Bruijn conversion
Thu 2025/02/13
Mark Jason Dominus: Genealogy of the House of Reuss
Wed 2025/02/12
Well-Typed.Com: The Haskell Unfolder Episode 39: deriving strategies
Wed 2025/02/12
Oleg Grenrus: NbE PHOAS
Tue 2025/02/11
Oskar Wickström: Machine: Learning; Human: Unlearning;
Mon 2025/02/10
Mark Jason Dominus: Surnames from nicknames nobody has any more
Mon 2025/02/10
Mark Jason Dominus: Just give the man the fish!
Fri 2025/02/07
Philip Wadler: I've been nominated for a teaching award
Thu 2025/02/06
The Haskell Café mailing list
using the same data structure on a type level and as a value
Sat 2025/02/15
A Conversation With Sandy Maguire - Melbourne Haskell Users' Group - 28-03-2024
1 reply
Mon 2025/02/10
Course-of-value recursion by defining a sequence as a self-referential infinite list
10 replies
Mon 2025/02/10
[ANN] NASA's Ogma 1.6.0
Tue 2025/02/04
PhD Position: Verification of Golang using Interactive Theorem Proving (Application Deadline 2025-02-10)
Tue 2025/02/04
Midlands Graduate School 2025 hosted by the University of Sheffield
Mon 2025/02/03
[haskell-cafe] HList maintainer
Tue 2025/01/28
CGO 25 - Call for Participation - Early Registration
Mon 2025/01/27
Midlands Graduate School 2025
Mon 2025/01/27
CLC Elections January 2025
1 reply
Sun 2025/01/26
Stack Overflow
"conflicting types for 'SDL_main'" while trying to install the sdl2-image haskell module with stack
Sun 2025/02/16
Force a delay between key presses in XMonad
1 answer
Sun 2025/02/16
"Could not find module ‘GHCi.GhcApiCompat’." which installing `haskell-dap ghci-dap`
Sun 2025/02/16
Couldn't find a working/matching GHC installation. Consider installing ghc-9.10.1 via ghcup or build HLS from source
Sat 2025/02/15
Haskell's double behaviour
1 answer
Sat 2025/02/15
Why does this haskell program have incorrect time complexity?
3 answers
Fri 2025/02/14
Haskell Persistent: upsert to update list fields
1 answer
Fri 2025/02/14
How can I use quicktest to test subsets of constrained types?
2 answers
Thu 2025/02/13
Haskell program hanging when interacting with another program
1 answer
Thu 2025/02/13
Why does the implementation of *> return something from the left argument?
2 answers
Thu 2025/02/13
Code Review Stack Exchange
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
Autocomplete system with prefix tree
1 answer
Mon 2023/08/21
Haskell Weekly
Issue 459 - 2025-02-13
Thu 2025/02/13
Issue 458 - 2025-02-06
Thu 2025/02/06
Issue 457 - 2025-01-30
Thu 2025/01/30
Issue 456 - 2025-01-23
Thu 2025/01/23
Issue 455 - 2025-01-16
Thu 2025/01/16
Issue 454 - 2025-01-09
Thu 2025/01/09
Issue 453 - 2025-01-02
Thu 2025/01/02
Issue 452 - 2024-12-26
Thu 2024/12/26
Issue 451 - 2024-12-19
Thu 2024/12/19
Issue 450 - 2024-12-12
Thu 2024/12/12