// fn eq_ref<T>(x: &T, y: &T) -> bool {
//     x as *const _ == y as *const _
// }

fn main() {
    // int-ptr-int
    assert_eq!(1 as *const i32 as usize, 1);

    // TODO
//     {   // ptr-int-ptr
//         let x = 13;
//         let y = &x as *const _ as usize;
//         let y = y as *const _;
//         assert!(eq_ref(&x, unsafe { &*y }));
//     }
}