vendor/structopt/examples/group.rs

   1 //! How to use `clap::Arg::group`
   2
   3 use structopt::{clap::ArgGroup, StructOpt};
   4
   5 #[derive(StructOpt, Debug)]
   6 #[structopt(group = ArgGroup::with_name("verb").required(true))]
   7 struct Opt {
   8     /// Set a custom HTTP verb
   9     #[structopt(long, group = "verb")]
  10     method: Option<String>,
  11     /// HTTP GET
  12     #[structopt(long, group = "verb")]
  13     get: bool,
  14     /// HTTP HEAD
  15     #[structopt(long, group = "verb")]
  16     head: bool,
  17     /// HTTP POST
  18     #[structopt(long, group = "verb")]
  19     post: bool,
  20     /// HTTP PUT
  21     #[structopt(long, group = "verb")]
  22     put: bool,
  23     /// HTTP DELETE
  24     #[structopt(long, group = "verb")]
  25     delete: bool,
  26 }
  27
  28 fn main() {
  29     let opt = Opt::from_args();
  30     println!("{:?}", opt);
  31 }