//! Basic system types such as a device id (major/minor pair).
// This might not be a good module name...
// But a "device id" is quite a "basic" thing at the system level...
/// A device id.
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]pubstructDevice{/// The major number.
pubmajor:u32,
/// The minor number.
pubminor:u32,
}