src/cli.rs


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use clap::{arg, Command, crate_authors, crate_description, crate_name, crate_version};

pub fn cli() -> Command {
    Command::new(crate_name!())
        .about(crate_description!())
        .author(crate_authors!())
        .version(crate_version!())
        .subcommand_required(true)
        .arg_required_else_help(true)
        .allow_external_subcommands(true)
        .subcommand(Command::new("roll")
                        .about("Rolls dice based on a given formula.")
                        .arg(arg!(<FORMULA> "The dice rolling formula"))
                        .arg_required_else_help(true),
        )
}