#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::hash::{DefaultHasher, Hash, Hasher};
use std::ptr;
fn main() {
    let five = 5;
    let five_ref = &five;
    let mut hasher = DefaultHasher::new();
    ptr::hash(five_ref, &mut hasher);
    let actual = hasher.finish();
    let mut hasher = DefaultHasher::new();
    (five_ref as *const i32).hash(&mut hasher);
    let expected = hasher.finish();
    assert_eq!(actual, expected);
}