>I am not sure how to ensure your Rust function being panic safe. You could use the linking trick in which your panic handler uses non-existent extern fn. For

>I am not sure how to ensure your Rust function being panic safe. You could use the linking trick in which your panic handler uses non-existent extern fn. For example, this approach is used in the no-panic crate. Of course, this approach is nothing more than a clever hack with several significant limitations. >Future cancellation I would say it's a more general problem of Rust lacking linear types.