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// check-pass
#![feature(box_syntax)]
struct Foo { a: isize, b: isize }
fn main() {
let mut x: Box<_> = box Foo { a: 1, b: 2 };
let (a, b) = (&mut x.a, &mut x.b);
let mut foo: Box<_> = box Foo { a: 1, b: 2 };
let (c, d) = (&mut foo.a, &foo.b);
// We explicitly use the references created above to illustrate that the
// borrow checker is accepting this code *not* because of artificially
// short lifetimes, but rather because it understands that all the
// references are of disjoint parts of memory.
use_imm(d);
use_mut(c);
use_mut(b);
use_mut(a);
}
fn use_mut<T>(_: &mut T) { }
fn use_imm<T>(_: &T) { }
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