src/test/run-pass/traits/overlap-permitted-for-marker-traits-neg.rs

   1 // Copyright 2017 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 // run-pass
  12 #![allow(dead_code)]
  13 #![feature(overlapping_marker_traits)]
  14 #![feature(optin_builtin_traits)]
  15
  16 // Overlapping negative impls for `MyStruct` are permitted:
  17 struct MyStruct;
  18 impl !Send for MyStruct {}
  19 impl !Send for MyStruct {}
  20
  21 fn main() {
  22 }