55 lines
1.2 KiB
Rust
55 lines
1.2 KiB
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.
|
|
|
|
#![feature(repr_packed)]
|
|
|
|
#[repr(packed)]
|
|
struct Foo1 {
|
|
bar: u8,
|
|
baz: usize
|
|
}
|
|
|
|
#[repr(packed(2))]
|
|
struct Foo2 {
|
|
bar: u8,
|
|
baz: usize
|
|
}
|
|
|
|
#[repr(C, packed(4))]
|
|
struct Foo4C {
|
|
bar: u8,
|
|
baz: usize
|
|
}
|
|
|
|
pub fn main() {
|
|
let foo1 = Foo1 { bar: 1, baz: 2 };
|
|
match foo1 {
|
|
Foo1 {bar, baz} => {
|
|
assert_eq!(bar, 1);
|
|
assert_eq!(baz, 2);
|
|
}
|
|
}
|
|
|
|
let foo2 = Foo2 { bar: 1, baz: 2 };
|
|
match foo2 {
|
|
Foo2 {bar, baz} => {
|
|
assert_eq!(bar, 1);
|
|
assert_eq!(baz, 2);
|
|
}
|
|
}
|
|
|
|
let foo4 = Foo4C { bar: 1, baz: 2 };
|
|
match foo4 {
|
|
Foo4C {bar, baz} => {
|
|
assert_eq!(bar, 1);
|
|
assert_eq!(baz, 2);
|
|
}
|
|
}
|
|
}
|