| // Copyright 2013 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. |
| |
| // This assumes the packed and non-packed structs are different sizes. |
| |
| // the error points to the start of the file, not the line with the |
| // transmute |
| |
| // error-pattern: transmute called with differently sized types |
| |
| use std::mem; |
| |
| #[repr(packed)] |
| struct Foo<T,S> { |
| bar: T, |
| baz: S |
| } |
| |
| struct Oof<T, S> { |
| rab: T, |
| zab: S |
| } |
| |
| fn main() { |
| let foo = Foo { bar: [1u8, 2, 3, 4, 5], baz: 10i32 }; |
| unsafe { |
| let oof: Oof<[u8; 5], i32> = mem::transmute(foo); |
| println!("{:?} {:?}", &oof.rab[..], oof.zab); |
| } |
| } |