rpds
janet
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rpds | janet | |
---|---|---|
3 | 78 | |
1,122 | 3,290 | |
- | 1.1% | |
7.6 | 9.4 | |
2 months ago | 26 days ago | |
Rust | C | |
Mozilla Public License 2.0 | MIT License |
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rpds
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Getting both a mutable and immutable reference to a shared structure?
Another option I can think of - but not completely sure how one would implement in Rust - would be to never mutate the shared state, but rather when updating it - completely swapping it out with a completely new copy of the desired state. There's lots of different ways to go about doing this - each with their own trade offs. But using some form of Persistent Data Structure would probably be a good way to start. If you only have a single writer - then I believe using a Cell and simply updating which version of the structure is being read could work. rpds seems to be a decent start to look at these sorts of structures in Rust.
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Learning Clojure made me return back to C/C++
Thanks for taking the time to provide a detailed response. Need to think on this. I had actually started a regular Clojure parser using LLVM as a hobby, but then my friend said it was better to implement this in a safe-memory and. save-concurrency language like Rust and leverage cranelift for code generation. So, now I am learning rust, lol. (Btw, Rust has a persistent data structures lib too: https://github.com/orium/rpds )
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Persisting data that has revisions for values
Take a look at https://github.com/orium/rpds or one of the many others.
janet
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Ask HN: A Lisp with Cargo/NPM like build system?
You might be looking for: https://janet-lang.org/
It comes with a build tool `jpm` which installs dependencies globally by default, but you can have it be installed in your project folder as well.
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Babashka: Fast native Clojure scripting runtime
I like Clojure, but I never had any good opportunities to use it other than for a few small hobby projects. It is unfortunate that it is so huge with tons of dependencies and no simpler native implementation. I started looking at various LISPs and Schemes to find something lighter to use instead and ended up settling for Janet that I think is Clojure-like enough to be comfortable to use, but in a small native binary with no dependencies and can be embedded in other native programs. I am sure for big, real, projects that Clojure makes more sense, but for my hobby projects and scripts I do not think I will install it again. I am still happy for the things I learned from learning Clojure. It was a real eye-opener for an old OO-programmer.
- Janet Language
- Why Fennel?
- Embeddable Common Lisp 23.9.9
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Sharpscript: Lisp for Scripting
One might also check out Janet for quick scripting tasks.
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Red Programming Language
Thanks!
I thought about another multiplatform, homoiconic, highly compact language: https://janet-lang.org/ (takes 803 kb on my machine).
It has no types though.
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Systems Programming with Racket
Racket is great, and if you like it you might find Rash interesting:
Janet and Gerbil Scheme are also worth a look:
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how did you finally reach Lisp enlightenment?
Point here is that, for instance Janet language does not have cons / pair type but tuple (and so is lispoid, not lisp), but clearly this is sufficient for macros & hence seamless language construction: all you need is to be a lispoid although being a lisp gives another useful feature.
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fe: A tiny, embeddable language implemented in ANSI C
If this project interests you but is a bit more minimal than you need, the Janet language is a slightly-less but still pretty lightweight embeddable Lisp with a strong library and community: https://janet-lang.org/
What are some alternatives?
hypergraph - Hypergraph is data structure library to create a directed hypergraph in which a hyperedge can join any number of vertices.
Fennel - Lua Lisp Language
moodycamel - A fast multi-producer, multi-consumer lock-free concurrent queue for C++11
get-started-with-clojure - Learn Clojure and Interactive Programming – Zero install
rust-rocksdb - rust wrapper for rocksdb
babashka - Native, fast starting Clojure interpreter for scripting
cranelift - Cranelift code generator
scheme-for-max - Max/MSP external for scripting and live coding Max with s7 Scheme Lisp
pest - The Elegant Parser
ferret - Ferret is a free software lisp implementation for real time embedded control systems.
bimap-rs - Generic bijective maps in Rust
kaboom.js - 💥 JavaScript game library