| //! How to use flattening. |
| //! |
| //! Running this example with --help prints this message: |
| //! ----------------------------------------------------- |
| //! structopt 0.3.25 |
| //! |
| //! USAGE: |
| //! flatten [FLAGS] -g <group> -u <user> |
| //! |
| //! FLAGS: |
| //! -h, --help Prints help information |
| //! -V, --version Prints version information |
| //! -v switch verbosity on |
| //! |
| //! OPTIONS: |
| //! -g <group> daemon group |
| //! -u <user> daemon user |
| //! ----------------------------------------------------- |
| |
| use structopt::StructOpt; |
| |
| #[derive(StructOpt, Debug)] |
| struct Cmdline { |
| /// switch verbosity on |
| #[structopt(short)] |
| verbose: bool, |
| |
| #[structopt(flatten)] |
| daemon_opts: DaemonOpts, |
| } |
| |
| #[derive(StructOpt, Debug)] |
| struct DaemonOpts { |
| /// daemon user |
| #[structopt(short)] |
| user: String, |
| |
| /// daemon group |
| #[structopt(short)] |
| group: String, |
| } |
| |
| fn main() { |
| let opt = Cmdline::from_args(); |
| println!("{:?}", opt); |
| } |