#![allow(dead_code)]

#[repr(u16)]
enum DeviceKind {
    Nil = 0,
}
#[repr(packed)]
struct DeviceInfo {
    endianness: u8,
    device_kind: DeviceKind,
}
fn main() {
    let _x = None::<(DeviceInfo, u8)>;
    let _y = None::<(DeviceInfo, u16)>;
    let _z = None::<(DeviceInfo, u64)>;
}