// 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 impls cannot be negative trait TestTrait {} unsafe impl !Send for TestType {} //~^ ERROR negative impls cannot be unsafe impl !TestTrait for TestType {} //~^ ERROR negative impls are only allowed for auto traits struct TestType2(T); impl !TestType2 {} //~^ ERROR inherent impls cannot be negative unsafe impl !Send for TestType2 {} //~^ ERROR negative impls cannot be unsafe impl !TestTrait for TestType2 {} //~^ ERROR negative impls are only allowed for auto traits fn main() {}