/* Copyright ⓒ 2015 macro-attr contributors. Licensed under the MIT license (see LICENSE or ) or the Apache License, Version 2.0 (see LICENSE of ), at your option. All files in the project carrying such notice may not be copied, modified, or distributed except according to those terms. */ #[macro_use] extern crate macro_attr; macro_rules! Dummy { ($($tts:tt)*) => {}; } macro_attr! { #[derive(Dummy!)] enum Foo { Bar } } #[test] fn test_empty_bi_derives() { let _ = Foo::Bar; }