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// Copyright 2014 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.
use std::fmt;
#[repr(packed)]
#[derive(Copy, Clone)]
struct Foo {
a: i8,
b: i16,
c: i8
}
impl PartialEq for Foo {
fn eq(&self, other: &Foo) -> bool {
self.a == other.a && self.b == other.b && self.c == other.c
}
}
impl fmt::Debug for Foo {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let a = self.a;
let b = self.b;
let c = self.c;
f.debug_struct("Foo")
.field("a", &a)
.field("b", &b)
.field("c", &c)
.finish()
}
}
#[link(name = "test", kind = "static")]
extern {
fn foo(f: Foo) -> Foo;
}
fn main() {
unsafe {
let a = Foo { a: 1, b: 2, c: 3 };
let b = foo(a);
assert_eq!(a, b);
}
}
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