#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::ptr::NonNull;
fn main() {
    let mut s = [1, 2, 3];
    let ptr: NonNull<u32> = NonNull::new(s.as_mut_ptr()).unwrap();
    unsafe {
        println!("{}", ptr.offset(1).read());
        println!("{}", ptr.offset(2).read());
    }
}