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1 | // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | // Test that move restrictions are enforced on overloaded unary operations | |
12 | ||
13 | use std::ops::Not; | |
14 | ||
15 | fn move_then_borrow<T: Not<Output=T> + Clone>(x: T) { | |
16 | !x; | |
17 | ||
18 | x.clone(); //~ ERROR: use of moved value | |
19 | } | |
20 | ||
21 | fn move_borrowed<T: Not<Output=T>>(x: T, mut y: T) { | |
22 | let m = &x; | |
23 | let n = &mut y; | |
24 | ||
25 | !x; //~ ERROR: cannot move out of `x` because it is borrowed | |
26 | ||
27 | !y; //~ ERROR: cannot move out of `y` because it is borrowed | |
28 | } | |
29 | ||
30 | fn illegal_dereference<T: Not<Output=T>>(mut x: T, y: T) { | |
31 | let m = &mut x; | |
32 | let n = &y; | |
33 | ||
34 | !*m; //~ ERROR: cannot move out of borrowed content | |
35 | ||
36 | !*n; //~ ERROR: cannot move out of borrowed content | |
37 | } | |
38 | ||
39 | fn main() {} |