clap/examples/cargo-example-derive.rs

22 lines
477 B
Rust

// Note: this requires the `derive` feature
use clap::Parser;
#[derive(Parser)]
#[clap(name = "cargo")]
#[clap(bin_name = "cargo")]
enum Cargo {
ExampleDerive(ExampleDerive),
}
#[derive(clap::Args)]
#[clap(author, version, about, long_about = None)]
struct ExampleDerive {
#[clap(long, parse(from_os_str))]
manifest_path: Option<std::path::PathBuf>,
}
fn main() {
let Cargo::ExampleDerive(args) = Cargo::parse();
println!("{:?}", args.manifest_path);
}