52 lines
1.2 KiB
Rust
52 lines
1.2 KiB
Rust
// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::fmt;
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use std::mem;
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#[repr(packed)]
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#[derive(Copy, Clone)]
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struct Foo {
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bar: u8,
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baz: u64
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}
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impl PartialEq for Foo {
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fn eq(&self, other: &Foo) -> bool {
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self.bar == other.bar && self.baz == other.baz
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}
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}
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impl fmt::Debug for Foo {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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let bar = self.bar;
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let baz = self.baz;
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f.debug_struct("Foo")
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.field("bar", &bar)
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.field("baz", &baz)
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.finish()
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}
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}
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pub fn main() {
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let foos = [Foo { bar: 1, baz: 2 }; 10];
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assert_eq!(mem::size_of::<[Foo; 10]>(), 90);
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for i in 0..10 {
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assert_eq!(foos[i], Foo { bar: 1, baz: 2});
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}
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for &foo in &foos {
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assert_eq!(foo, Foo { bar: 1, baz: 2 });
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}
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}
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