| 1 | use clap::{Command, FromArgMatches as _, Parser, Subcommand as _}; |
| 2 | |
| 3 | #[derive(Parser, Debug)] |
| 4 | enum Subcommands { |
| 5 | Derived { |
| 6 | #[arg(short, long)] |
| 7 | derived_flag: bool, |
| 8 | }, |
| 9 | } |
| 10 | |
| 11 | fn main() { |
| 12 | let cli = Command::new("Built CLI" ); |
| 13 | // Augment with derived subcommands |
| 14 | let cli = Subcommands::augment_subcommands(cli); |
| 15 | |
| 16 | let matches = cli.get_matches(); |
| 17 | let derived_subcommands = Subcommands::from_arg_matches(&matches) |
| 18 | .map_err(|err| err.exit()) |
| 19 | .unwrap(); |
| 20 | println!("Derived subcommands: {derived_subcommands:#?}" ); |
| 21 | } |
| 22 | |