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 // Test that attempt to swap `&mut` pointer while pointee is borrowed
14 // Example from src/middle/borrowck/doc.rs
18 fn foo<'a>(mut t0: &'a mut isize,
19 mut t1: &'a mut isize) {
20 let p: &isize = &*t0; // Freezes `*t0`
21 swap(&mut t0, &mut t1); //~ ERROR cannot borrow `t0`