#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::net::{IpAddr, Ipv4Addr};
fn main() {
    let addr = IpAddr::from([13u8, 12u8, 11u8, 10u8]);
    assert_eq!(IpAddr::V4(Ipv4Addr::new(13, 12, 11, 10)), addr);
}