src/test/run-pass/issue-16819.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // `#[cfg]` on struct field permits empty unusable struct
  12
  13 struct S {
  14     #[cfg(untrue)]
  15     a: int,
  16 }
  17
  18 fn main() {
  19     let s = S {};
  20 }