1 #[no_mangle] print_something_from_rust()2 pub extern fn print_something_from_rust() { 3 println!("Ferris says hello!"); 4 } 5 6 #[no_mangle] get_a_value_from_rust() -> i327 pub extern fn get_a_value_from_rust() -> i32 { 8 42 9 } 10