#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(ip_as_octets)]
use std::net::{Ipv4Addr, Ipv6Addr, IpAddr};
fn main() {
    assert_eq!(IpAddr::V4(Ipv4Addr::LOCALHOST).as_octets(), & [127, 0, 0, 1]);
    assert_eq!(
        IpAddr::V6(Ipv6Addr::LOCALHOST).as_octets(), & [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 1]
    )
}