rust/src/test/compile-fail/pinned-deep-copy.rs

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// Copyright 2012 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
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// error-pattern: copying a noncopyable value
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struct r {
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i: @mut int,
}
impl r : Drop {
fn finalize(&self) {
*(self.i) = *(self.i) + 1;
}
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}
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fn r(i: @mut int) -> r {
r {
i: i
}
}
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fn main() {
let i = @mut 0;
{
// Can't do this copy
let x = ~~~{y: r(i)};
let z = copy x;
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log(debug, x);
}
log(error, *i);
}