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factor
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My history with Forth, and stack machines
My impression so far is (in general), Forth are practically limited to doing embedded/microcontroller development.
For us, web/mobile/desktop app devs, beside:
- 8th (https://8th-dev.com)
- Factor (https://factorcode.org)
Any suggestion which implementation we should look for?
- Forth: The programming language that writes itself: The Web Page
- Retro: A Modern, Pragmatic Forth
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Pharo 11, the pure object-oriented language and environment is released!
Factor is also very much worth a look. Forth-style syntax, but with many of the ideas from CL and Smalltalk as well. In fact as a CL fan, I was very impressed by it. It's also quite "batteries included" a la Python.
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The toki pona of programming.
Otherwise, and more seriously, I'm not completely sure variables are needed. Factor is quite usable (it's my favorite go-to language if I quickly need to script something), and mostly doesn't have them.
- Forth as an intermediate language
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A Dynamic Forth Compiler for WebAssembly
There's a note on the page from 2022-08-19, that a lot has been added to it. It also links to the github page[1] for the up-to-date changes.
I am a Lisp, April, APL/J/BQE, and Forth[2] aficionado. I did some file munging programs in Factor back in 2012 at my job to sort through theater attendance logs in Word to compile statistics.
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What the hell is Forth? (2019)
Is there any "battery-included" ANS Forth (more or less like Python/Go) which provides access to concurrency, networking, database, GUI, etc?
Not an embedded device programmer, but mostly deals with frontend apps, and occasionally backend, so those are very relevant to me.
Or perhaps use "non-traditional" Forths like 8th (https://8th-dev.com) or Factor (https://factorcode.org)?
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-🎄- 2022 Day 2 Solutions -🎄-
Here's my day two solution using Factor
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-🎄- 2022 Day 1 Solutions -🎄-
Factor:
BQN
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Bare minimum atw-style K interpreter for learning purposes
I recommend checking BQN at https://mlochbaum.github.io/BQN/ and the YouTube channel code_report by Conor Hoekstra (and also "Composition Intuition by Conor Hoekstra | Lambda Days 2023"). It is well documented.
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YAML Parser for Dyalog APL
I don't put a lot of stock in the "write-only" accusation. I think it's mostly used by those who don't know APL because, first, it's clever, and second, they can't read the code. However, if I remember I implemented something in J 10 years ago, I will definitely dig out the code because that's the fastest way by far for me to remember how it works.
This project specifically looks to be done in a flat array style similar to Co-dfns[0]. It's not a very common way to use APL. However, I've maintained an array-based compiler [1] for several years, and don't find that reading is a particular difficulty. Debugging is significantly easier than a scalar compiler, because the computation works on arrays drawn from the entire source code, and it's easy to inspect these and figure out what doesn't match expectations. I wrote most of [2] using a more traditional compiler architecture and it's easier to write and extend but feels about the same for reading and small tweaks. See also my review [3] of the denser compiler and precursor Co-dfns.
As for being read by others, short snippets are definitely fine. Taking some from the last week or so in the APL Farm, {⍵÷⍨+/|-/¯9 ¯11+.○?2⍵2⍴0} and {(⍸⍣¯1+\⎕IO,⍺)⊂[⎕IO]⍵} seemed to be easily understood. Forum links at [4]; the APL Orchard is viewable without signup and tends to have a lot of code discussion. There are APL codebases with many programmers, but they tend to be very verbose with long names. Something like the YAML parser here with no comments and single-letter names would be hard to get into. I can recognize, say, that c⌿¨⍨←(∨⍀∧∨⍀U⊖)∘(~⊢∊LF⍪WS⍨)¨c trims leading and trailing whitespace from each string in a few seconds, but in other places there are a lot of magic numbers so I get the "what" but not the "why". Eh, as I look over it things are starting to make sense, could probably get through this in an hour or so. But a lot of APLers don't have experience with the patterns used here.
[0] https://github.com/Co-dfns/Co-dfns
[1] https://github.com/mlochbaum/BQN/blob/master/src/c.bqn
[2] https://github.com/mlochbaum/Singeli/blob/master/singeli.bqn
[3] https://mlochbaum.github.io/BQN/implementation/codfns.html
- k on pdp11
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Uiua: Weekly challenge 242
Uiua is an interesting new language. Strongly influenced by APL and BQN, it's array-oriented and stack-based. To explore it briefly, I will walk through my solutions to this week's Perl weekly challenge (242).
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Ask HN: What are the best / most accessible languages for blind programmers?
https://mlochbaum.github.io/BQN/
Forth and Lisps tend to be fairly visual syntax free as well.
I'm just speculating though, looking for someone with experience to confirm or rebuke.
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Uiua: A minimal stack-based, array-based language
> Are there any other languages that use glyphs so heavily?
APL (the first, invented in the 1960s): https://en.wikipedia.org/wiki/APL_(programming_language)
BQN (a modern APL, looks like an inspiration for Uiua though I don't know): https://mlochbaum.github.io/BQN/
Too many smaller esoteric languages to count.
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Ask HN: Best APL Keyboards. Any Ideas?
There is no need to have a specific keyboard. The actual solution depends on what APL you're using, but the principle is the same. The various symbols are available on the regular keys, and you use some way to indicate that you want the APL symbol rather than the regular symbol.
Dyalog has two different IDE's the support this. Ride uses backquote by default, while the windows IDE uses control.
Kap uses backquote in all its interfaces. Here's what it looks like in the web version: https://kapdemo.dhsdevelopments.com/clientweb2/
Likewise, BQN does the same thing, but uses backslash: https://mlochbaum.github.io/BQN/
When using GNU APL there is an Emacs mode available (which I am the author of) that provides an input method.
So the long story short, you should be able to get going with any array language without getting any special keyboard.
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Is there a programming language that will blow my mind?
Vouch for array programming, but also BQN. Modern, very good documentation, a bit less confusing than APL imo.
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Suggestivity and Idioms in APL
For anyone looking to get into array programming, I'd recommend https://mlochbaum.github.io/BQN/. I'm no expert but I had a lot of fun using it for Advent of Code last year. I found it to be a lot more sensible and modern feeling than J (the only other one I've tried).
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K: We need to talk about group
There’s also at least BQN, which I suspect is the language used in those comments:
What are some alternatives?
jonesforth - Mirror of JONESFORTH
APL - another APL derivative
durexforth - Modern C64 Forth
Co-dfns - High-performance, Reliable, and Parallel APL
bondi - source code for the bondi programming language
sbcl - Mirror of Steel Bank Common Lisp (SBCL)'s official repository
oil - Oils is our upgrade path from bash to a better language and runtime. It's also for Python and JavaScript users who avoid shell!
Kbd - Alternative unified APL keyboard layouts (AltGr, Backtick, Compositions)
Raylib-CsLo - autogen bindings to Raylib 4.x and convenience wrappers on top. Requires use of `unsafe`
type-system-j - adds an optional type system to J language
pirsch - Pirsch is a drop-in, server-side, no-cookie, and privacy-focused analytics solution for Go.
TablaM - The practical relational programing language for data-oriented applications