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1 | // Copyright 2012 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. | |
4 | // | |
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. | |
10 | ||
c34b1796 | 11 | |
1a4d82fc JJ |
12 | #![allow(unknown_features)] |
13 | #![feature(box_syntax)] | |
14 | ||
c34b1796 | 15 | fn f(mut y: Box<isize>) { |
223e47cc | 16 | *y = 5; |
970d7e83 | 17 | assert_eq!(*y, 5); |
223e47cc LB |
18 | } |
19 | ||
20 | fn g() { | |
62682a34 | 21 | let frob = |mut q: Box<isize>| { *q = 2; assert_eq!(*q, 2); }; |
1a4d82fc | 22 | let w = box 37; |
223e47cc LB |
23 | frob(w); |
24 | ||
25 | } | |
26 | ||
27 | pub fn main() { | |
1a4d82fc | 28 | let z = box 17; |
223e47cc LB |
29 | f(z); |
30 | g(); | |
31 | } |