41 lines
931 B
Rust
41 lines
931 B
Rust
// Copyright 2012 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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struct r {
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i: @mut int,
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}
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#[unsafe_destructor]
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impl Drop for r {
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fn finalize(&self) {
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unsafe {
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*(self.i) = *(self.i) + 1;
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}
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}
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}
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fn r(i: @mut int) -> r {
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r {
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i: i
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}
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}
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fn main() {
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let i = @mut 0;
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{
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struct A { y: r }
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// Can't do this copy
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let x = ~~~A {y: r(i)};
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let _z = copy x; //~ ERROR copying a value of non-copyable type
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debug!(x);
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}
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error!(*i);
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}
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