use clap::Command; mod publish; fn main() { let matches = Command::new("Agb tools") .subcommand_required(true) .arg_required_else_help(true) .subcommand(publish::command()) .get_matches(); let result = match matches.subcommand() { Some(("publish", arg_matches)) => publish::publish(arg_matches), _ => unreachable!("Exhausted list of subcommands and subcommand_required prevents `None`"), }; if let Err(e) = result { eprintln!("Error: {:?}", e); } }