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#
cargo_example_derive/
cargo-example-derive.rs

    1use clap::Parser;
    2
    3#[derive(Parser)] // requires `derive` feature
    4#[command(name = "cargo")]
    5#[command(bin_name = "cargo")]
    6#[command(styles = CLAP_STYLING)]
    7enum CargoCli {
    8    ExampleDerive(ExampleDeriveArgs),
    9}
    10
    11// See also `clap_cargo::style::CLAP_STYLING`
    12pub const CLAP_STYLING: clap::builder::styling::Styles = clap::builder::styling::Styles::styled()
    13    .header(clap_cargo::style::HEADER)
    14    .usage(clap_cargo::style::USAGE)
    15    .literal(clap_cargo::style::LITERAL)
    16    .placeholder(clap_cargo::style::PLACEHOLDER)
    17    .error(clap_cargo::style::ERROR)
    18    .valid(clap_cargo::style::VALID)
    19    .invalid(clap_cargo::style::INVALID);
    20
    21#[derive(clap::Args)]
    22#[command(version, about, long_about = None)]
    23struct ExampleDeriveArgs {
    24    #[arg(long)]
    25    manifest_path: Option<std::path::PathBuf>,
    26}
    27
    28fn main() {
    29    let CargoCli::ExampleDerive(args) = CargoCli::parse();
    30    println!("{:?}", args.manifest_path);
    31}