// 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 Enum { #[serde(serialize_with = "serialize_some_unit_variant")] #[serde(skip_serializing)] //~^^^^ ERROR: variant `Unit` cannot have both #[serde(serialize_with)] and #[serde(skip_serializing)] Unit, } fn main() {}