39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(optin_builtin_traits)]
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use std::marker::Send;
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struct Outer<T: Send>(T);
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struct TestType;
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impl !Send for TestType {}
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struct Outer2<T>(T);
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unsafe impl<T: Send> Sync for Outer2<T> {}
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fn is_send<T: Send>(_: T) {}
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fn is_sync<T: Sync>(_: T) {}
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fn main() {
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Outer(TestType);
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//~^ ERROR the trait `core::marker::Send` is not implemented for the type `TestType`
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is_send(TestType);
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//~^ ERROR the trait `core::marker::Send` is not implemented for the type `TestType`
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// This will complain about a missing Send impl because `Sync` is implement *just*
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// for T that are `Send`. Look at #20366 and #19950
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is_sync(Outer2(TestType));
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//~^ ERROR the trait `core::marker::Send` is not implemented for the type `TestType`
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}
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