vendor/clap/examples/cargo-example.rs

   1 // Note: this requires the `cargo` feature
   2
   3 fn main() {
   4     let cmd = clap::Command::new("cargo")
   5         .bin_name("cargo")
   6         .subcommand_required(true)
   7         .subcommand(
   8             clap::command!("example").arg(
   9                 clap::arg!(--"manifest-path" <PATH>)
  10                     .required(false)
  11                     .allow_invalid_utf8(true),
  12             ),
  13         );
  14     let matches = cmd.get_matches();
  15     let matches = match matches.subcommand() {
  16         Some(("example", matches)) => matches,
  17         _ => unreachable!("clap should ensure we don't get here"),
  18     };
  19     let manifest_path = matches
  20         .value_of_os("manifest-path")
  21         .map(std::path::PathBuf::from);
  22     println!("{:?}", manifest_path);
  23 }