#![cfg(not(unix))] // gets `cargo clippy` working use core::panic::PanicInfo; #[panic_handler] fn handler(_info: &PanicInfo) -> ! { // NB: should ideally print something here but for this example this is left // out. A more complete embedding would likely turn `info` into a // stack-allocated string and then pass that as a message to the outer // system to get printed and trigger a failure. loop {} }