#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::net::{SocketAddrV6, Ipv6Addr};
fn main() {
    let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 10, 0);
    assert_eq!(socket.flowinfo(), 10);
}