rust/src/test/run-pass/packed-struct-vec.rs

34 lines
855 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.
use std::sys;
use std::uint;
#[packed]
#[deriving(Eq)]
struct Foo {
bar: u8,
baz: u64
}
fn main() {
let foos = [Foo { bar: 1, baz: 2 }, .. 10];
assert_eq!(sys::size_of::<[Foo, .. 10]>(), 90);
for uint::range(0, 10) |i| {
assert_eq!(foos[i], Foo { bar: 1, baz: 2});
}
for foos.each |&foo| {
assert_eq!(foo, Foo { bar: 1, baz: 2 });
}
}