1 // Copyright 2019 The Fuchsia Authors 2 // 3 // Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0 4 // <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT 5 // license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option. 6 // This file may not be copied, modified, or distributed except according to 7 // those terms. 8 9 use zerocopy::{AsBytes, FromBytes, FromZeroes, KnownLayout}; 10 11 /// A type that doesn't implement any zerocopy traits. 12 pub struct NotZerocopy<T = ()>(T); 13 14 /// A `u16` with alignment 2. 15 /// 16 /// Though `u16` has alignment 2 on some platforms, it's not guaranteed. By 17 /// contrast, `AU16` is guaranteed to have alignment 2. 18 #[derive(KnownLayout, FromZeroes, FromBytes, AsBytes, Copy, Clone)] 19 #[repr(C, align(2))] 20 pub struct AU16(u16); 21