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What would you say are the current main limitations of this approach? What is Lucet not meant to be good at?

At the moment, a lot of WASM tooling assumes instances interact with a JS engine. So, we aren't compatible with a bunch of existing tooling, like Rust's wasm-bindgen. We're working on our own tool to fill that hole in the ecosystem.

We also aren't 100% of the way to spec compliance yet. We have a plan to get there, but spent the last year or so putting the bulk of our effort into performance and integration with our edge cloud systems.

That's awesome. One of my main complaints with wasm-bindgen is it doesn't let you pull in any C libraries(vs older emscripten path) effectively walling off one of Rusts awesome capabilities(interop with a large established ecosystem).

Whatever tool that takes it's place here would be awesome if you plug in cleanly with the CC crate. I've had a lot of success using Rust as the glue between a lot of existing C/C++ libraries and would love to carry that forward to the WASM world.

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