]>
Commit | Line | Data |
---|---|---|
223e47cc LB |
1 | // Copyright 2013 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. | |
c34b1796 | 10 | |
b7449926 | 11 | // run-pass |
1a4d82fc | 12 | use std::mem; |
223e47cc | 13 | |
1a4d82fc JJ |
14 | #[repr(packed)] |
15 | struct S4(u8,[u8; 3]); | |
970d7e83 | 16 | |
1a4d82fc | 17 | #[repr(packed)] |
970d7e83 | 18 | struct S5(u8,u32); |
223e47cc | 19 | |
1a4d82fc | 20 | pub fn main() { |
970d7e83 LB |
21 | unsafe { |
22 | let s4 = S4(1, [2,3,4]); | |
1a4d82fc | 23 | let transd : [u8; 4] = mem::transmute(s4); |
62682a34 | 24 | assert_eq!(transd, [1, 2, 3, 4]); |
970d7e83 LB |
25 | |
26 | let s5 = S5(1, 0xff_00_00_ff); | |
1a4d82fc | 27 | let transd : [u8; 5] = mem::transmute(s5); |
970d7e83 | 28 | // Don't worry about endianness, the u32 is palindromic. |
62682a34 | 29 | assert_eq!(transd, [1, 0xff, 0, 0, 0xff]); |
970d7e83 | 30 | } |
223e47cc | 31 | } |