clap/examples/tutorial_derive/03_04_subcommands.rs
Ed Page 4b51b8e253 docs(examples): Steer people to know about about vs long_about
`#[clap(about)]` only overrides `about`.  If the doc comment also sets
`long_about`, it won't be overridden.  This change is to help raise
visibility of reseting `long_about` in these cases.
2022-01-10 18:47:24 -06:00

28 lines
720 B
Rust

use clap::{AppSettings, Parser, Subcommand};
#[derive(Parser)]
#[clap(author, version, about, long_about = None)]
#[clap(global_setting(AppSettings::PropagateVersion))]
#[clap(global_setting(AppSettings::UseLongFormatForHelpSubcommand))]
struct Cli {
#[clap(subcommand)]
command: Commands,
}
#[derive(Subcommand)]
enum Commands {
/// Adds files to myapp
Add { name: Option<String> },
}
fn main() {
let cli = Cli::parse();
// You can check for the existence of subcommands, and if found use their
// matches just as you would the top level app
match &cli.command {
Commands::Add { name } => {
println!("'myapp add' was used, name is: {:?}", name)
}
}
}