26 lines
812 B
Rust
26 lines
812 B
Rust
// 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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// Regression test for #29859, supertrait version. This example
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// allowed arbitrary trait bounds to be synthesized.
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trait Magic: Copy {}
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impl<T: Magic> Magic for T {}
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fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
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#[derive(Debug)]
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struct NoClone;
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fn main() {
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let (a, b) = copy(NoClone); //~ ERROR E0275
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println!("{:?} {:?}", a, b);
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}
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