#[allow(unused_imports)]
#[macro_use]
extern crate structopt;
extern crate failure;
extern crate structopt_flags;
use failure::Error;
use structopt::StructOpt;
#[derive(Debug, StructOpt)]
#[structopt(name = "hostipv4_param", about = "An example using HostV4Param option")]
struct Opt {
#[structopt(flatten)]
hostipv4: structopt_flags::HostV4Param,
}
fn main() -> Result<(), Error> {
let opt = Opt::from_args();
let ipv4 = opt.hostipv4.host_addr;
println!("{}", ipv4);
Ok(())
}