// Copyright 2014 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(optin_builtin_traits)] use std::marker::Send; struct TestType; impl !TestType {} //~^ ERROR inherent implementation can't be negated trait TestTrait {} unsafe impl !Send for TestType {} impl !TestTrait for TestType {} struct TestType2; impl !TestType2 {} //~^ ERROR inherent implementation can't be negated unsafe impl !Send for TestType2 {} impl !TestTrait for TestType2 {} fn main() {}