Haskell Planetarium
Link aggregator of discussions about the
Haskell
programming language
Discourse
MicroHs is the browser is more fun now
14 answers
Mon 2026/05/11
Hedis 0.16.0 pre release
Mon 2026/05/11
Exception Annotations: Lay of the Land
2 answers
Sun 2026/05/10
Category transformers
6 answers
Sat 2026/05/09
Why some parts of haskell 2010 language report are purple?
2 answers
Sat 2026/05/09
[ANN] Today is Doomsday! (0.1)
Sat 2026/05/09
MicroHs in the browser
8 answers
Fri 2026/05/08
Lambda Nantes Meetup - 21 May
Fri 2026/05/08
Haskell Meetup in Tokyo - 19 May
Fri 2026/05/08
Converge is hiring a(nother) senior software engineer
2 answers
Thu 2026/05/07
Reddit
To do, or not to do, this is the question.
9 comments
Mon 2026/05/11
Botan: PubKey progress, Post-quantum support, and Better versioning
Mon 2026/05/11
Haskell Tools in Neovim. Autocomplete type signatures?
2 comments
Sun 2026/05/10
AI + Haskell goes hard
57 comments
Sun 2026/05/10
implemented my own splitOn. Feedback needed
21 comments
Sun 2026/05/10
Techniques for debugging a runtime infinite loop?
23 comments
Sat 2026/05/09
Today is Doomsday! (0.1)
Sat 2026/05/09
A Game Boy and Game Boy Color Emulator in Haskell
15 comments
Fri 2026/05/08
A Wave of Monads (Haskell for Dilettantes, Problem Set 13b)
Fri 2026/05/08
Exception Annotations: Lay of the Land
2 comments
Fri 2026/05/08
Planet Haskell
Well-Typed.Com: Exception Annotations: Lay of the Land
Fri 2026/05/08
Oleg Grenrus: Compatibility packages in 2026
Thu 2026/05/07
Gabriella Gonzalez: A bidirectional typechecking puzzle>
Tue 2026/05/05
Magnus Therning: Jumping to errors in Evil
Mon 2026/05/04
Magnus Therning: Follow-up on switching to eglot
Sat 2026/05/02
Magnus Therning: Secrets when connecting to DBs
Sat 2026/05/02
Oskar Wickström: The Bombadil Terminal Experiment
Wed 2026/04/29
Donnacha Oisín Kidney: Tries for Polynomials
Tue 2026/04/28
Dan Piponi (sigfpe): Some type constructors are tensor products
Mon 2026/04/27
Haskell Interlude: 81: Torsten Grust
Mon 2026/04/27
Stack Overflow
What is this thing called a "Boolean"?
4 answers
Mon 2026/05/11
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 insntances don't conflict with it)?
2 answers
Tue 2026/03/31
what's a good functional language for someone coming from perl?
16 answers
Sun 2026/03/29
What is the grammar of GADTs and ADTs in GHC2024?
1 answer
Fri 2026/03/27
Why explicitly writing a singleton ctor - instead of just _ - is necessary in the context of dependent types?
1 answer
Thu 2026/03/26
Looking for a term of art ("pseudo-phantom type"?) in typeful programming
18 answers
Tue 2026/03/24
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 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
Issue 520 - 2026-04-16
Thu 2026/04/16
Issue 519 - 2026-04-09
Thu 2026/04/09
Issue 518 - 2026-04-02
Thu 2026/04/02
Issue 517 - 2026-03-26
Thu 2026/03/26
Issue 516 - 2026-03-19
Thu 2026/03/19
Issue 515 - 2026-03-12
Thu 2026/03/12
Issue 514 - 2026-03-05
Thu 2026/03/05
