Haskell Planetarium

https://haskell.pl-a.net/assets/favicon-16x16.pnghttps://haskell.pl-a.netHaskell Planetarium2026-09-07T14:29:16-00:00https://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14659Packages which are difficult for the cabal solver?2026-09-07T13:13:00-00:00wizhttps://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14660Haskell Foundation DevOps Monthly Log and Refresher, August 20262026-09-07T09:48:00-00:00chreekathttps://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14648Effectful is better at running unspecialized mtl-style code than transformers2026-09-06T05:57:00-00:00arybczakhttps://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14638Haskell Language Server 2.15.0.0 is now available2026-09-06T04:08:00-00:00dawkrishhttps://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14644Hundreds of newtypes versus worse API2026-09-05T20:30:00-00:00AliceRixtehttps://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14643Haskue: exploring CUE evaluation in Haskell2026-09-05T12:35:00-00:00jzhonxhttps://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14650Haskell on Codeberg2026-09-05T08:37:00-00:00jarorhttps://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14649[Well-Typed Blog] Whole project loading for Haskell IDE tooling2026-09-04T12:10:00-00:00adamgundryhttps://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14639Issue 540 :: Haskell Weekly newsletter2026-09-03T12:32:00-00:00taylorfausakhttps://discourse.haskell.org/latest.rssHaskell Discoursehttps://discourse.haskell.org/t/14637Call for Contributions: BOB 2027 (Berlin, Feb 26 - Deadline Nov 2)2026-09-03T08:44:00-00:00sperberhttps://www.reddit.com/r/haskell.rss/r/haskellhttps://www.reddit.com/r/haskell/comments/1w9tkq5/hsue_a_modern_ui_engine_in_haskell_sdl3_gpu/Hsue: A Modern UI Engine in Haskell & SDL3 GPU — Progress, Redesign, and Future Plans2026-09-07T14:23:00-00:00/u/Qerfcxzhttps://www.reddit.com/r/haskell.rss/r/haskellhttps://discourse.haskell.org/t/effectful-is-better-at-running-unspecialized-mtl-style-code-than-transformers/14648Effectful is better at running unspecialized mtl-style code than transformers2026-09-05T17:40:00-00:00/u/arybczakhttps://www.reddit.com/r/haskell.rss/r/haskellhttps://www.well-typed.com/blog/2026/09/whole-project-loading-for-haskell-ide-tooling/[Well-Typed] Whole project loading for Haskell IDE tooling2026-09-04T12:11:00-00:00/u/adamgundryhttps://www.reddit.com/r/haskell.rss/r/haskellhttps://i.redd.it/w146gh48ahnh1.pngHaskell in emacs: Showing multiple lines in flymake diagnostics buffer2026-09-04T10:18:00-00:00/u/magthe0https://www.reddit.com/r/haskell.rss/r/haskellhttps://www.reddit.com/r/haskell/comments/1w62ph1/bob_2027_feb_26_berlin_call_is_open/BOB 2027 (Feb 26, Berlin): Call is Open2026-09-03T09:42:00-00:00/u/sperbsenhttps://www.reddit.com/r/haskell.rss/r/haskellhttps://mchav.github.io/context-complexity/Context complexity: what is the Big-O of an agent API?2026-09-03T04:31:00-00:00/u/m-chavhttps://www.reddit.com/r/haskell.rss/r/haskellhttps://melpa.org/#/schlau-compileSchalu-compile is now in MELPA!2026-09-03T00:25:00-00:00/u/el_toro_2022https://www.reddit.com/r/haskell.rss/r/haskellhttps://haskellforall.com/2026/09/dependent-if-expressionsDependent if expressions without dependent types2026-09-02T17:51:00-00:00/u/Tekmohttps://www.reddit.com/r/haskell.rss/r/haskellhttps://munihac.de/2026.htmlMuniHac: a few slots (re)opened! Oct 9..11, Munich2026-09-02T15:18:00-00:00/u/quchenhttps://www.reddit.com/r/haskell.rss/r/haskellhttps://tmpout.sh/5/2.html"Haskell is the best stream processing language I know of." - Doug McIlroy2026-09-01T19:33:00-00:00/u/dharmatechhttps://planet.haskell.orgPlanet Haskellhttps://magnus.therning.org/2026-09-06-emacs-salmagundi,-2026-09-06.htmlMagnus Therning: Emacs salmagundi, 2026-09-062026-09-06T16:33:00-00:00N/Ahttps://planet.haskell.orgPlanet Haskellhttps://well-typed.com/blog/2026/09/whole-project-loading-for-haskell-ide-toolingWell-Typed.Com: Whole project loading for Haskell IDE tooling2026-09-04T00:00:00-00:00N/Ahttps://planet.haskell.orgPlanet Haskellhttps://haskellforall.com/2026/09/dependent-if-expressionsGabriella Gonzalez: Dependent if expressions without dependent types2026-09-02T00:00:00-00:00N/Ahttps://planet.haskell.orgPlanet Haskellhttps://haskell.foundation/podcast/85/Haskell Interlude: 85: Brent Yorgey2026-08-26T17:00:00-00:00N/Ahttps://planet.haskell.orgPlanet Haskellhttps://wadler.blogspot.com/2026/08/the-gargantuan-lie-that-is-collapsing.htmlPhilip Wadler: The Gargantuan Lie That is Collapsing the World's Climate2026-08-25T18:29:00-00:00noreply@blogger.com (Philip Wadler)https://planet.haskell.orgPlanet Haskellhttps://wadler.blogspot.com/2026/08/there-is-no-ai.htmlPhilip Wadler: There is No AI2026-08-25T17:57:00-00:00noreply@blogger.com (Philip Wadler)https://planet.haskell.orgPlanet Haskellhttps://reasonablypolymorphic.com/blog/reviewing-again/index.htmlSandy Maguire: review22026-08-24T23:26:00-00:00N/Ahttps://planet.haskell.orgPlanet Haskellhttps://cdsmithus.medium.com/how-to-almost-trisect-an-angle-c5c6aaf40620?source=rss-18bd5acaea78------2Chris Smith 2: How to (Almost) Trisect an Angle2026-08-23T14:46:00-00:00N/Ahttps://planet.haskell.orgPlanet Haskellhttps://blog.plover.com/math/ordinals/06-nim-shortlex.htmlMark Jason Dominus: The road to epsilon-zero: Shortlex order also orders sequences of numbers2026-08-22T00:26:00-00:00mjd@plover.com (Mark Dominus)https://planet.haskell.orgPlanet Haskellhttps://reasonablypolymorphic.com/blog/reviewing-my-first-monad/index.htmlSandy Maguire: Code-Reviewing My First Monad Implementation2026-08-21T23:50:00-00:00N/Ahttps://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79999172/how-do-i-run-haskell-with-ghcid-in-vim-terminal-i-e-not-neovim-gvimHow do I run Haskell with ghcid in Vim terminal (i.e. not Neovim, GVim, ...)?2026-08-29T10:23:00-00:00Enlicohttps://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79997396/why-do-i-have-to-hit-enter-twice-to-evaluate-a-list-comprehension-with-a-local-lWhy do I have to hit enter twice to evaluate a list comprehension with a local let in GHCi?2026-08-22T18:56:00-00:00Enlicohttps://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79996435/lazy-io-and-concurrency-in-haskellLazy IO and concurrency in Haskell2026-08-19T08:08:00-00:00Vladimirhttps://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79995587/is-it-possible-to-generate-a-reversed-list-of-reversed-permutations-of-a-listIs it possible to generate a reversed list of reversed permutations of a list?2026-08-16T16:09:00-00:00Marco_Ohttps://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79993540/how-do-i-turn-an-algorithm-accepting-a-total-function-into-an-algorithm-that-accHow do I turn an algorithm accepting a total function into an algorithm that accepts a function returning Maybe and that returns itself Maybe?2026-08-12T14:55:00-00:00Enlicohttps://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79989332/co-log-ambiguous-type-variable-from-a-use-of-withlogco-log: ambiguous type variable from a use of `withLog`2026-07-30T23:30:00-00:00telephonehttps://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79989211/opengl-with-glfw-code-with-haskell-bindings-inside-wsl2-with-nixos-results-inOpenGL with GLFW code (with haskell bindings) inside WSL2 with NIXOS results in a segfault if taking input form terminal2026-07-30T13:47:00-00:00Valentin K Berghttps://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79977782/when-is-a-rigid-type-variable-not-rigidWhen is a 'rigid type variable' not rigid?2026-07-08T07:25:00-00:00AntChttps://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79957253/couldnt-use-haskell-language-server-9-14-1-with-nixcouldn't use haskell-language-server-9.14.1 with nix2026-06-12T17:46:00-00:00user51https://stackoverflow.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Stack Overflowhttps://stackoverflow.com/questions/79956543/methods-as-higher-ordered-functionsMethods as higher ordered functions2026-06-11T13:25:00-00:00usb_naming_is_confusinghttps://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/295791/how-to-implement-an-avl-tree-efficient-enough-in-haskellHow to implement an AVL tree efficient enough in Haskell?2025-04-01T06:50:00-00:00Haowen Shihttps://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/294766/pattern-finding-in-lists-of-strings-2d-char-array-advent-of-code-day-04-solutPattern Finding In Lists of Strings (2d Char Array), Advent of Code Day 04 Solution2024-12-20T00:55:00-00:00Lozmindahttps://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/294644/value-level-proofs-of-type-level-membership-and-subset-relations-in-haskellValue-level proofs of type-level membership and subset relations in Haskell2024-12-06T16:47:00-00:00ShapeOfMatterhttps://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/293360/hackerrank-haskell-simple-compression-algorithmHackerRank, Haskell simple "compression" algorithm2024-08-18T09:04:00-00:00tijkohttps://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/293186/scraping-the-calendar-of-some-public-libraries-from-their-websitesScraping the calendar of some public libraries from their websites2024-08-03T13:34:00-00:00user665110https://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/292456/haskell-2-player-tictactoe-terminal-gameHaskell 2-player TicTacToe terminal game2024-06-07T15:24:00-00:00Peterhttps://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/292048/parse-2d-cartesian-coordinates-and-output-their-polar-formParse 2D Cartesian coordinates and output their Polar form2024-05-13T21:37:00-00:00Mileshttps://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/291327/last-stone-weight-problem-in-haskell-using-foldLast Stone Weight Problem in Haskell Using `fold`2024-03-29T23:26:00-00:00WesAtWorkhttps://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/291130/last-stone-weight-problem-in-haskell-using-list-insertLast Stone Weight Problem in Haskell using list `insert`2024-03-19T17:41:00-00:00WesAtWorkhttps://codereview.stackexchange.com/feeds/tags?tagnames=haskell&sort=creationCreation questions tagged haskell - Code Review Stack Exchangehttps://codereview.stackexchange.com/questions/287677/haskell-code-optimization-for-short-pi-approximatorHaskell code optimization for short Pi approximator2023-10-29T17:02:00-00:00Tsarashttps://haskellweekly.news/newsletter.atomHaskell Weeklyhttps://haskellweekly.news/issue/540.htmlIssue 540 - 2026-09-032026-09-03T12:00:00-00:00Haskell Weeklyhttps://haskellweekly.news/newsletter.atomHaskell Weeklyhttps://haskellweekly.news/issue/539.htmlIssue 539 - 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