// Copyright 2018 Guillaume Pinot (@TeXitoi) , // Kevin Knapp (@kbknapp) , and // Ana Hobden (@hoverbear) // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // // This work was derived from Structopt (https://github.com/TeXitoi/structopt) // commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the // MIT/Apache 2.0 license. use clap::Parser; // Tests that clap_derive properly detects an `Option` field // that results from a macro expansion #[test] fn use_option() { macro_rules! expand_ty { ($name:ident: $ty:ty) => { #[derive(Parser)] struct Outer { #[clap(short, long, value_parser)] #[allow(dead_code)] $name: $ty, } }; } expand_ty!(my_field: Option); } #[test] fn issue_447() { macro_rules! Command { ( $name:ident, [ #[$meta:meta] $var:ident($inner:ty) ] ) => { #[derive(Debug, PartialEq, clap::Parser)] enum $name { #[$meta] $var($inner), } }; } Command! {GitCmd, [ #[clap(external_subcommand)] Ext(Vec) ]} }