#![allow(dead_code, deprecated, unused_variables, unused_mut)] use std::net::Ipv6Addr; fn main() { assert_eq!(Ipv6Addr::new(0xff00, 0, 0, 0, 0, 0, 0, 0).is_multicast(), true); assert_eq!( Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_multicast(), false ); }