diff options
Diffstat (limited to 'third_party/rust/zerocopy-derive/tests/util.rs')
| -rw-r--r-- | third_party/rust/zerocopy-derive/tests/util.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/third_party/rust/zerocopy-derive/tests/util.rs b/third_party/rust/zerocopy-derive/tests/util.rs new file mode 100644 index 0000000000..a8656fb20f --- /dev/null +++ b/third_party/rust/zerocopy-derive/tests/util.rs @@ -0,0 +1,20 @@ +// Copyright 2019 The Fuchsia Authors +// +// Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0 +// <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT +// license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option. +// This file may not be copied, modified, or distributed except according to +// those terms. + +use zerocopy::{AsBytes, FromBytes, FromZeroes, KnownLayout}; + +/// A type that doesn't implement any zerocopy traits. +pub struct NotZerocopy<T = ()>(T); + +/// A `u16` with alignment 2. +/// +/// Though `u16` has alignment 2 on some platforms, it's not guaranteed. By +/// contrast, `AU16` is guaranteed to have alignment 2. +#[derive(KnownLayout, FromZeroes, FromBytes, AsBytes, Copy, Clone)] +#[repr(C, align(2))] +pub struct AU16(u16); |