1 // Copyright 2014 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.
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.
11 #![feature(optin_builtin_traits)]
13 use std::marker::Send;
18 //~^ ERROR inherent impls cannot be negative
22 unsafe impl !Send for TestType {}
23 //~^ ERROR negative impls cannot be unsafe
24 impl !TestTrait for TestType {}
25 //~^ ERROR negative impls are only allowed for auto traits
27 struct TestType2<T>(T);
29 impl<T> !TestType2<T> {}
30 //~^ ERROR inherent impls cannot be negative
32 unsafe impl<T> !Send for TestType2<T> {}
33 //~^ ERROR negative impls cannot be unsafe
34 impl<T> !TestTrait for TestType2<T> {}
35 //~^ ERROR negative impls are only allowed for auto traits