// Copyright 2014 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(box_syntax)] struct Foo(Box, isize); struct Bar(isize, isize); fn main() { let x: (Box<_>, _) = (box 1, 2); let r = &x.0; let y = x; //~ ERROR cannot move out of `x` because it is borrowed let mut x = (1, 2); let a = &x.0; let b = &mut x.0; //~ ERROR cannot borrow `x.0` as mutable because it is also borrowed as let mut x = (1, 2); let a = &mut x.0; let b = &mut x.0; //~ ERROR cannot borrow `x.0` as mutable more than once at a time let x = Foo(box 1, 2); let r = &x.0; let y = x; //~ ERROR cannot move out of `x` because it is borrowed let mut x = Bar(1, 2); let a = &x.0; let b = &mut x.0; //~ ERROR cannot borrow `x.0` as mutable because it is also borrowed as let mut x = Bar(1, 2); let a = &mut x.0; let b = &mut x.0; //~ ERROR cannot borrow `x.0` as mutable more than once at a time }