#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(ip)]
use std::net::Ipv6Addr;
fn main() {
    assert_eq!(Ipv6Addr::UNSPECIFIED.is_unicast(), true);
    assert_eq!(Ipv6Addr::LOCALHOST.is_unicast(), true);
    assert_eq!(Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 0).is_unicast(), true);
    assert_eq!(Ipv6Addr::new(0xff00, 0, 0, 0, 0, 0, 0, 0).is_unicast(), false);
}