5 const DANGLING: NonNull<u32> = NonNull::dangling();
6 const CASTED: NonNull<u32> = NonNull::cast(NonNull::<i32>::dangling());
8 fn ident<T>(ident: T) -> T {
13 assert_eq!(DANGLING, ident(NonNull::dangling()));
14 assert_eq!(CASTED, ident(NonNull::dangling()));