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From looking at high_level.h it can instantiate any wasm file, but it seems to need the host code specially integrated. There is a function to instantiate the emscripten runtime, probably code can be added to instantiate the go or rust runtimes.

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Rust doesn’t have a runtime. Well, at least not in the sense of other languages; it’s comparable to C :)

Emscripten provides a libc; I wondered if it required it. I guess not.

> it’s comparable to C

I think you may want to reassess your definition of what a runtime is ;)

> "crt" stands for "C runtime", and the zero stands for "the very beginning".

[ https://en.wikipedia.org/wiki/Crt0 | https://en.wikipedia.org/wiki/Runtime_library ]

Yup. C definitely has a runtime!

That’s why I said that Rust’s is comparable to C. Both have very, very small ones. Which is what most people mean when they say “no runtime”, since every non-assembly language has some amount of runtime.

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