src/test/compile-fail/E0232.rs

   1 // Copyright 2016 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 #![feature(on_unimplemented)]
  12
  13 #[rustc_on_unimplemented]
  14 //~^ ERROR E0232
  15 //~| NOTE attribute requires a value
  16 //~| NOTE eg `#[rustc_on_unimplemented = "foo"]`
  17 trait Bar {}
  18
  19 fn main() {
  20 }