// Copyright 2017 Serde Developers // // 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. #[macro_use] extern crate serde_derive; #[derive(Serialize)] enum E { #[serde(abc="xyz")] //~^^^ ERROR: unknown serde variant attribute `abc` V, } fn main() { }