38 lines
1009 B
Rust
38 lines
1009 B
Rust
// 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 on types with different size
|
|
|
|
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);
|
|
}
|
|
}
|