// Copyright (c) 2022 Google LLC All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. use {argh::FromArgs, std::fmt::Debug}; #[derive(FromArgs, PartialEq, Debug)] /// Top-level command. struct TopLevel { #[argh(subcommand)] nested: MySubCommandEnum, } #[derive(FromArgs, PartialEq, Debug)] #[argh(subcommand)] enum MySubCommandEnum { One(SubCommandOne), Two(SubCommandTwo), } #[derive(FromArgs, PartialEq, Debug)] /// First subcommand. #[argh(subcommand, name = "one")] struct SubCommandOne { #[argh(option)] /// how many x x: usize, } #[derive(FromArgs, PartialEq, Debug)] /// Second subcommand. #[argh(subcommand, name = "two")] struct SubCommandTwo { #[argh(switch)] /// whether to fooey fooey: bool, } fn main() { let toplevel: TopLevel = argh::from_env(); println!("{:#?}", toplevel); }