#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::net::{IpAddr, Ipv6Addr, SocketAddr};
fn main() {
    let socket = SocketAddr::new(
        IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 65535, 0, 1)),
        8080,
    );
    assert_eq!(socket.is_ipv4(), false);
    assert_eq!(socket.is_ipv6(), true);
}