rust/src/test/run-pass-fulldeps/proc-macro/derive-union.rs

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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// aux-build:derive-union.rs
// ignore-stage1
#[macro_use]
extern crate derive_union;
#[repr(C)]
#[derive(UnionTest)]
union Test {
a: u8,
}
fn main() {
let t = Test { a: 0 };
}