vendor/clap/examples/cargo-example-derive.rs

   1 // Note: this requires the `derive` feature
   2
   3 use clap::Parser;
   4
   5 #[derive(Parser)]
   6 #[clap(name = "cargo")]
   7 #[clap(bin_name = "cargo")]
   8 enum Cargo {
   9     ExampleDerive(ExampleDerive),
  10 }
  11
  12 #[derive(clap::Args)]
  13 #[clap(author, version, about, long_about = None)]
  14 struct ExampleDerive {
  15     #[clap(long, value_parser)]
  16     manifest_path: Option<std::path::PathBuf>,
  17 }
  18
  19 fn main() {
  20     let Cargo::ExampleDerive(args) = Cargo::parse();
  21     println!("{:?}", args.manifest_path);
  22 }