rust/src/test/compile-fail/noncopyable-class.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.
// Test that a class with a non-copyable field can't be
// copied
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struct bar {
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x: int,
}
impl Drop for bar {
fn finalize(&self) {}
}
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fn bar(x:int) -> bar {
bar {
x: x
}
}
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struct foo {
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i: int,
j: bar,
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}
fn foo(i:int) -> foo {
foo {
i: i,
j: bar(5)
}
}
fn main() {
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let x = foo(10);
let _y = copy x; //~ ERROR copying a value of non-copyable type
log(error, x);
}