29 lines
829 B
Rust
29 lines
829 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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use std::ops::Add;
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#[derive(Clone)]
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struct foo(Box<uint>);
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impl Add<foo, foo> for foo {
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fn add(self, f: foo) -> foo {
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let foo(box i) = self;
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let foo(box j) = f;
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foo(box() (i + j))
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}
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}
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fn main() {
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let x = foo(box 3);
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let _y = {x} + x.clone(); // the `{x}` forces a move to occur
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//~^ ERROR use of moved value: `x`
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}
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