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use clap::{arg, command, Command};
fn main() {
let matches = command!() // requires `cargo` feature
.propagate_version(true)
.subcommand_required(true)
.arg_required_else_help(true)
.subcommand(
Command::new("add")
.about("Adds files to myapp")
.arg(arg!([NAME])),
)
.get_matches();
match matches.subcommand() {
Some(("add", sub_matches)) => println!(
"'myapp add' was used, name is: {:?}",
sub_matches.get_one::<String>("NAME")
),
_ => unreachable!("Exhausted list of subcommands and subcommand_required prevents `None`"),
}
}