45 lines
1 KiB
Rust
45 lines
1 KiB
Rust
// Copyright 2013 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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// ignore-emscripten weird assertion?
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#![feature(repr_packed)]
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#[repr(packed)]
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struct Foo1 {
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bar: u8,
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baz: usize
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}
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#[repr(packed(2))]
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struct Foo2 {
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bar: u8,
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baz: usize
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}
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#[repr(C, packed(4))]
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struct Foo4C {
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bar: u8,
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baz: usize
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}
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pub fn main() {
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let foo = Foo1 { bar: 1, baz: 2 };
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let brw = unsafe { &foo.baz };
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assert_eq!(*brw, 2);
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let foo = Foo2 { bar: 1, baz: 2 };
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let brw = unsafe { &foo.baz };
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assert_eq!(*brw, 2);
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let foo = Foo4C { bar: 1, baz: 2 };
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let brw = unsafe { &foo.baz };
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assert_eq!(*brw, 2);
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}
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