vendor/structopt/examples/flatten.rs

   1 //! How to use flattening.
   2
   3 use structopt::StructOpt;
   4
   5 #[derive(StructOpt, Debug)]
   6 struct Cmdline {
   7     /// switch verbosity on
   8     #[structopt(short)]
   9     verbose: bool,
  10
  11     #[structopt(flatten)]
  12     daemon_opts: DaemonOpts,
  13 }
  14
  15 #[derive(StructOpt, Debug)]
  16 struct DaemonOpts {
  17     /// daemon user
  18     #[structopt(short)]
  19     user: String,
  20
  21     /// daemon group
  22     #[structopt(short)]
  23     group: String,
  24 }
  25
  26 fn main() {
  27     let opt = Cmdline::from_args();
  28     println!("{:?}", opt);
  29 }