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phantomics/april

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The APL programming language (a subset thereof) compiling to Common Lisp.

59 mentions on Hacker News by 31 people: 12 stories, 47 comments · first 2018-05-29 · latest 2026-10-08

Mentions per year 59 mentions · busiest year 2022 (14)
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  1. ▲ 18
    April: APL as a DSL in Common Lisp
    story by so-cal-schemer · 2026-10-08 · 3 comments
  2. APL as a DSL in CL: https://github.com/phantomics/april
    comment by so-cal-schemer · 2026-10-08 · in Why Common Lisp is now the best programming language
  3. APL as a DSL in CL: https://github.com/phantomics/april
    comment by so-cal-schemer · 2026-10-08 · in Why Common Lisp is now the best programming language
  4. …but without parens). --- The APL programming language (a subset thereof) compiling to Common Lisp. https://github.com/phantomics/april APL and LISP—should they be combined, and if so how? https://dl.acm.org/doi/10.1145/800136.804474
    comment by nivertech · 2026-02-26 · in The Om Programming Language
  5. …most languages, that you opt in locally for just this little nudge. April is this for Common Lisp: https://github.com/phantomics/april
    comment by shawn_w · 2025-12-15 · in An Implementation of J (1992)
  6. Not J, but there is an APL compiler made in Common Lisp here: https://github.com/phantomics/april
    comment by v9v · 2025-07-25 · in Lisp project of the day
  7. You're in luck: https://github.com/phantomics/april
    comment by liveranga · 2025-02-11 · in What about K?
  8. > Not reimplementing APL instead Come on, step it up! https://github.com/phantomics/april EDIT: damn, didn't see it already got linked
    comment by BoingBoomTschak · 2024-12-15 · in Array Languages for Clojurians (2020)
  9. Other work on integrating APL and lisp is here: https://github.com/phantomics/april
    comment by fiddlerwoaroof · 2024-12-15 · in Array Languages for Clojurians (2020)
  10. …are (some of?) the mentioned ML and APL inspired libraries: https://github.com/coalton-lang/coalton https://github.com/phantomics/april
    comment by ramenbytes · 2024-06-05 · in Ask HN: 30y After 'On Lisp', PAIP etc., Is Lisp Still "Beating the Averages"?
  11. …for Lisp developers. Replace hundreds of lines of number-crunching code with a single line of APL." https://github.com/phantomics/april
    comment by eggy · 2024-06-01 · in Arthur Whitney releases an open-source subset of K with MIT license
  12. …Jerbil! I've been a fan of Gambit for a long time too. Love to see it being utilized this way. [0] https://github.com/phantomics/april
    comment by eggy · 2024-03-25 · in Gerbil Scheme – A Lisp for the 21st Century
  13. There's an array programming language implemented in lisp called april: https://github.com/phantomics/april EDIT: someone beat me to it in a comment further down or up the thread...
    comment by account-5 · 2024-01-13 · in Thinking in an array language (2022)
  14. …cool example is April (Array Programming Re-Imagined in Lisp), which runs on top of Common Lisp... https://github.com/phantomics/april One can see that the Lisp macro APRIL-F compiles APL-like code to Lisp. APRIL> (macroexpand '(april-f…
    comment by lispm · 2024-01-13 · in Thinking in an array language (2022)
  15. ▲ 2
    April
    story by tosh · 2023-12-03 · 0 comments
  16. There's also April APL: https://github.com/phantomics/april Also the array language family seems to be stronger than ever with foss: ngn/k, BQN, uiua, and of course J but as you mentioned they're all different languages.
    comment by liveranga · 2023-12-03 · in A Personal History of APL (1982)
  17. …Maybe an APL for Excel? [1] https://code-magazine.com/Article/2207071/The-Excellent-Sche... [2] https://github.com/phantomics/april
    comment by eggy · 2023-08-22 · in Microsoft is bringing Python to Excel
  18. …I love APL, April, Array Programming Re-Imagined in Lisp[1]. [0] https://shenlanguage.org/ [1] https://github.com/phantomics/april
    comment by eggy · 2023-07-17 · in A tutorial quantum interpreter in 150 lines of Lisp
  19. …that is more rewarding to me, and sometimes for others. [1] https://lush.sourceforge.net/ [2] https://github.com/phantomics/april
    comment by eggy · 2023-06-11 · in Why Do ML on the Erlang VM?
  20. …a lot the drudgery in all programming and APL to sling numbers. I dabble with BQN and Klong. [1] https://github.com/phantomics/april
    comment by eggy · 2023-03-30 · in APL: An Array Oriented Programming Language (2018)
  21. …The creator of April just switched it to lazy evaluation from eager evaluation last month. [1] https://github.com/phantomics/april
    comment by eggy · 2023-02-13 · in Algorithmic Trading: A Practitioner’s Guide
  22. …real-world applications for over a decade, and more if you include Ada from which it sprang[2]. [1] https://github.com/phantomics/april [2] https://www.adacore.com/about-spark
    comment by eggy · 2023-02-05 · in The C juggernaut illustrated (2012)
  23. …Theory and Practice" to April. Maybe I'll write some equivalent Elixir code to compare. [1] https://github.com/phantomics/april
    comment by eggy · 2023-02-02 · in Erlang: The coding language that finance forgot (2022)
  24. …APL DSL[1], speed [2,3,4]) and really want to get familiar with structural editing [5] [0] https://github.com/phantomics/april [1] https://github.com/coalton-lang/coalton/ [2] https://renato.athaydes.com/posts/revisiting-prechelt-paper-...…
    comment by wwfn · 2023-01-10 · in Learn Lisp the Hard Way
  25. …repo includes an ncurses demo featuring a convolution kernel powered by ⌺, the stencil operator: https://github.com/phantomics/april/tree/master/demos/ncurse...
    comment by phantomics · 2022-12-20 · in The APL Source Code (2012)
  26. …of APL (and Lisp), and the CL ecosystem for batteries included. The mix is always surprising. [1] https://github.com/phantomics/april
    comment by eggy · 2022-12-20 · in The APL Source Code (2012)
  27. APL + Lisp = O_o https://github.com/phantomics/april/ and yes it is used in production©! > What pushed the development of April really is that April is used by a hardware startup called Bloxl (of which I am the CTO). There are other users…
    comment by vindarel · 2022-11-17 · in APL deserves its renaissance too (2018)
  28. …Lisp arrays with APL arrays, giving you the best of both worlds. It's very functional even now: https://github.com/phantomics/april And of course, BQN is a new language that takes a lot of the good ideas from APL but also changes a lot of…
    comment by lokedhs · 2022-11-17 · in APL deserves its renaissance too (2018)
  29. ▲ 2
    April: The APL programming language compiling to Common Lisp
    story by xept · 2022-08-26 · 0 comments
  30. …tasks, especially when it comes to more semantic programming. That's why my APL compiler, April ( https://github.com/phantomics/april ), can be called within Common Lisp with CL data structures as its input and output. It's also trivial to…
    comment by phantomics · 2022-07-09 · in APL and Array Programming
  31. …compiler has a terminal graphics application as one of its demos, which you can see in this folder: https://github.com/phantomics/april/tree/master/demos/ncurse...
    comment by phantomics · 2022-07-09 · in APL and Array Programming
  32. …There are also many more FOSS implementations of array languages now, such as ngn/k and April. https://github.com/phantomics/april 'only available for Linux' - not true https://github.com/abrudz/Kbd/ and others (also different input modes…
    comment by rak1507 · 2022-05-13 · in K – A simple, fast vector programming language
  33. …A compiler for quantum computing: https://github.com/quil-lang/quilc APL embedded in Common Lisp: https://github.com/phantomics/april More projects can be found at: https://www.libhunt.com/topic/common-lisp
    comment by trenchgun · 2022-05-04 · in Lisp in Space
  34. …APL.jl [0] and, less practically april[1], are exciting. [0] https://github.com/shashi/APL.jl [1] https://github.com/phantomics/april
    comment by wwfn · 2022-03-26 · in The counterintuitive rise of Python in scientific computing (2020)
  35. ▲ 1
    April: APL in Lisp
    story by account-5 · 2022-03-20 · 0 comments
  36. Release announcement: https://github.com/phantomics/april/releases/tag/v1.0
    comment by phoe-krk · 2022-02-03 · in April, a compiler from APL to Common Lisp, releases version 1.0
  37. ▲ 4
    April, a compiler from APL to Common Lisp, releases version 1.0
    story by phoe-krk · 2022-02-03 · 3 comments
  38. …a link if anyone has it. [1] https://covid-19.ontario.ca/data/hospitalizations#hospitaliz... [2] https://github.com/phantomics/april
    comment by eggy · 2022-01-23 · in The implementation of the UK Covid-19 dashboard
  39. ▲ 14
    April compiles a subset of the APL programming language into Common Lisp
    story by clircle · 2021-12-01 · 0 comments
  40. …[1] https://andrewkelley.me/post/zig-cc-powerful-drop-in-replace... [2] https://github.com/phantomics/april [3] https://www.dyalog.com/case-studies/simulation.htm
    comment by eggy · 2021-11-03 · in Zig monthly, October 2021: Games, gamedev, Elixir, tools and more
  41. …with April, a subset of APL in Lisp. The best of both worlds! [1] http://lush.sourceforge.net/ [2] https://github.com/phantomics/april
    comment by eggy · 2021-10-25 · in Idiomatic Clojure without sacrificing performance
  42. …adoption in the general programming world. [1] https://github.com/henrikurms/tail2futhark [2] https://github.com/phantomics/april
    comment by eggy · 2021-10-24 · in APL Compiler Based on Tail (Typed Array Intermediate Language)
  43. …episode aired[5] and is also worthy of note: they say they now have thousands of subscribers. [0] https://github.com/phantomics/april [1] https://github.com/lokedhs/array [2] https://mlochbaum.github.io/BQN/ [3] https://codeberg.org/ngn/k…
    comment by mlochbaum · 2021-10-20 · in APL in its modern state (2020)
  44. …A link to an HN post in 2020 by Andrew: [0] https://news.ycombinator.com/item?id=24434717 [1] https://github.com/phantomics/april [2] https://frame.work/ [3] https://github.com/peportier/jelm [4] https://dl.acm.org/doi/10.1145/3315454.33299…
    comment by eggy · 2021-10-15 · in Mezzano on Librebooted ThinkPads
  45. Cool idea, https://github.com/phantomics/april does this a bit, would definitely like to see something similar in other languages too.
    comment by rak1507 · 2021-08-06 · in Learning APL
  46. …So although I haven't ventured into it, I bookmarked April, which is an APL DSL in Common Lisp. https://github.com/phantomics/april It still looks just as baffling to me now as it did back then, but the cryptographers I worked with loved…
    comment by ksaj · 2021-06-12 · in What Challenges Face the Array Languages?
  47. …a language). (I don't have enough experience to judge which category Pandas / numpy are in) [0]: https://github.com/phantomics/april
    comment by Wezl · 2021-05-25 · in The Array Cast – A podcast about the array programming languages
  48. …with another programmer working on one in Erlang; Clojure could definitely be a possibility. [0] https://github.com/phantomics/april [1] https://mlochbaum.github.io/BQN/
    comment by mlochbaum · 2021-03-30 · in How much can a Clojure developer do alone?
  49. Since the video's quite long, here are some basics on April. Repo: https://github.com/phantomics/april April compiles APL to Common Lisp. It has almost all of the lexical functions and operators featured in Dyalog APL, the leading…
    comment by phantomics · 2020-09-11 · in April, an APL Compiler for Common Lisp [video]
  50. Lisp has April, which I thought was pretty cool. https://github.com/phantomics/april
    comment by leprechaun1066 · 2020-08-18 · in A look at the J language: the fine line between genius and insanity (2012)