#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::net::{SocketAddrV6, Ipv6Addr};
fn main() {
    let mut socket = SocketAddrV6::new(
        Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1),
        8080,
        0,
        0,
    );
    socket.set_port(4242);
    assert_eq!(socket.port(), 4242);
}