blob: 7ad2d9040940ceca723de4e88e9060fca3d2e457 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// Copyright 2012 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Note: the borrowck analysis is currently flow-insensitive.
// Therefore, some of these errors are marked as spurious and could be
// corrected by a simple change to the analysis. The others are
// either genuine or would require more advanced changes. The latter
// cases are noted.
fn borrow(_v: &int) {}
fn borrow_mut(_v: &mut int) {}
fn cond() -> bool { fail!() }
fn for_func(_f: || -> bool) { fail!() }
fn produce<T>() -> T { fail!(); }
fn inc(v: &mut Box<int>) {
*v = box() (**v + 1);
}
fn pre_freeze() {
// In this instance, the freeze starts before the mut borrow.
let mut v = box 3;
let _w = &v;
borrow_mut(&mut *v); //~ ERROR cannot borrow
}
fn post_freeze() {
// In this instance, the const alias starts after the borrow.
let mut v = box 3;
borrow_mut(&mut *v);
let _w = &v;
}
fn main() {}
|
