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The title "Javascript to Rust and Back Again" had me believing that this would be a tale of how Rust was abandoned in favor of Javascript! I'm so glad to see we're actually talking about wasm interop


At our local Rust meetup we have someone who's gotten WASM running on a microcontroller, so maybe that's not entirely unrealisitic. :P


Wait, who was that?


This is somewhat related, although embedded here means embedding interpreted WASM into a CLI application.

Similar method might be doable on an MCU.

https://fosdem.org/2018/schedule/event/rust_embedding_wasm/

Then there's "WebAssembly interpreter in C":

https://github.com/kanaka/wac

Looks like it might be good enough for implementing WASM "scripting" support in smallish environments.


https://crates.io/crates/parity-wasm is an interpreter in Rust; there's some really interesting stuff happening with it in various forms. One of the most... extreme is https://www.reddit.com/r/rust/comments/88sxah/nebulet_can_no... (There are some more production-aimed things as well.)

I think this idea has a lot of merit, overall, exactly as you say: kind of like a Lua.


Maybe it was this guy: https://github.com/pcein/embedded-rust-workshop




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