passerine VS langs-in-rust

It's still a long way from being complete, but I'm working on something like that[0]. Eventual plans are to have good Rust library interop (e.g. bindings to hyper for http) while also being able to compile to Wasm (to run on an erlang-style distributed runtime / the browser). The language is currently interpreted, but one I get typechecking working, I should be able to merge in the Wasm codegen backend I'm working on (with eventual plans for LLVM). Current compiler has zero external dependencies.

Language itself could be described as a mix of OCaml, Scheme, and Lua. Currently working on the hygienic procedural macro system and system injection through algebraic effects.

[0]: https://github.com/vrtbl/passerine

Passerine was the next language i decided to try to fit onto paka, but alas this one too was eventually put aside for the time being.

Tossing my hat in for Passerine [1]. Gorgeous ML inspired syntax. Built for scripting Rust applications.

Dreaming here: Lua is a fantastic scripting language, but the Rust FFI isn’t as ergonomic as it could be. Enter Luster [2], which is basically LuaJIT rewritten in Rust.

Embedding a scripting language in a Rust application gives you tons of power (e.g. scripting Rust structs from Lua [3]), and setting this up isn’t terribly difficult.

[1] https://github.com/vrtbl/passerine

[2]: https://github.com/kyren/luster

[3]: https://git.sr.ht/~ioiojo/kiwi

Seed7 and https://github.com/vrtbl/passerine (and seemingly more as others have suggested) have direct / first-class support of syntax declaration/definition in a homoiconic way, as powerful as LISPs, but feels more "natural" compared to a LISP.

It used to work pretty well only if the core PL makes semicolons programmable, but given the development of effect systems, plus customizable syntax as in https://github.com/ThomasMertes/seed7 and https://github.com/vrtbl/passerine , I'd say, there are much more we can do about it.

git clone https://github.com/vrtbl/passerine

Steel seems alright: https://github.com/mattwparas/steel

There are other Lisps too (https://github.com/alilleybrinker/langs-in-rust) though I think they’re less actively maintained.

Gleam is written in Rust and is a nice example (besides Rust itself) of what it looks like to write a language in Rust. By my own tracking (https://github.com/alilleybrinker/langs-in-rust) Gleam is one of the most popular languages written in Rust and is one of the few top languages in that list which isn't a reimplementation of an existing language!

Ah yes, std, that famous crate that is unusable for systems programming. God forbid anyone do any "systems" programming that uses std.

A scripting language with an interpreter written in rust? Lua doesn't compile to C. The Lua interpreter is written in C and can inter-operate with it. Maybe look here: https://github.com/alilleybrinker/langs-in-rust

There are in fact! If I remember correctly, Gluon and Gleam are both done via Combinators. You can probably find many more here

Or maybe see languages implemented in Rust being writen in rust doesn't mean they're good at interacting wirh rust)

Parcel has been added to my list of languages implemented in Rust! It's currently the only CSS implementation listed there.