A demo of calling minimal rust from C ``` ./make.sh ``` `caller-check` is built with overflow checking, `caller` without. The checking build requires the panic handler from the static lib. No-checking can work with just the object file, unsure if there's an easy way to extract/emit it. https://docs.rust-embedded.org/book/interoperability/rust-with-c.html https://os.phil-opp.com/freestanding-rust-binary/#the-eh-personality-language-item