24 lines
870 B
Rust
24 lines
870 B
Rust
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// Copyright 2017 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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#![feature(specialization)]
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struct S;
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struct Z;
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default impl S {} //~ ERROR inherent impls cannot be default
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default unsafe impl Send for S {} //~ ERROR impls of auto traits cannot be default
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default impl !Send for Z {} //~ ERROR impls of auto traits cannot be default
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trait Tr {}
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default impl !Tr for S {} //~ ERROR negative impls are only allowed for auto traits
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