18 #[cfg(target_pointer_width = "64")]
20 assert_eq!(mem::size_of::<Cat>(), 8 as usize);
21 assert_eq!(mem::size_of::<Kitty>(), 8 as usize);
24 #[cfg(target_pointer_width = "32")]
26 assert_eq!(mem::size_of::<Cat>(), 4 as usize);
27 assert_eq!(mem::size_of::<Kitty>(), 4 as usize);