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.
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.
11 #![feature(box_syntax)]
15 struct Foo(Box<isize>, isize);
17 struct Bar(isize, isize);
20 let x: (Box<_>, _) = (box 1, 2);
22 let y = x; //~ ERROR cannot move out of `x` because it is borrowed
28 let b = &mut x.0; //~ ERROR cannot borrow `x.0` as mutable because it is also borrowed as
33 let b = &mut x.0; //~ ERROR cannot borrow `x.0` as mutable more than once at a time
36 let x = Foo(box 1, 2);
38 let y = x; //~ ERROR cannot move out of `x` because it is borrowed
41 let mut x = Bar(1, 2);
43 let b = &mut x.0; //~ ERROR cannot borrow `x.0` as mutable because it is also borrowed as
46 let mut x = Bar(1, 2);
48 let b = &mut x.0; //~ ERROR cannot borrow `x.0` as mutable more than once at a time
52 trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }
53 impl<T> Fake for T { }