#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::rc::Rc;
fn main() {
    let pointer_size = size_of::<&u8>();
    assert_eq!(2 * pointer_size, size_of::<& [u8] > ());
    assert_eq!(2 * pointer_size, size_of::<* const [u8] > ());
    assert_eq!(2 * pointer_size, size_of::< Box < [u8] >> ());
    assert_eq!(2 * pointer_size, size_of::< Rc < [u8] >> ());
}