29 lines
1.0 KiB
Rust
29 lines
1.0 KiB
Rust
// Copyright 2016 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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type Foo = i32;
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impl Copy for Foo { }
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//~^ ERROR the trait `Copy` may not be implemented for this type
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//~| NOTE type is not a structure or enumeration
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//~| ERROR only traits defined in the current crate can be implemented for arbitrary types
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//~| NOTE impl doesn't use types inside crate
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//~| NOTE the impl does not reference any types defined in this crate
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#[derive(Copy, Clone)]
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struct Bar;
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impl Copy for &'static Bar { }
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//~^ ERROR the trait `Copy` may not be implemented for this type
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//~| NOTE type is not a structure or enumeration
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fn main() {
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}
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