40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
// Copyright 2019 The Fuchsia Authors
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//
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// Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0
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// <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT
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// license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option.
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// This file may not be copied, modified, or distributed except according to
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// those terms.
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extern crate zerocopy;
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#[path = "../util.rs"]
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mod util;
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use core::marker::PhantomData;
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use {
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static_assertions::assert_impl_all,
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zerocopy::{AsBytes, FromBytes, FromZeroes, Unaligned},
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};
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use self::util::NotZerocopy;
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fn main() {}
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// Test generic transparent structs
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#[derive(AsBytes, FromZeroes, FromBytes, Unaligned)]
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#[repr(transparent)]
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struct TransparentStruct<T> {
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inner: T,
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_phantom: PhantomData<()>,
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}
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// It should be legal to derive these traits on a transparent struct, but it
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// must also ensure the traits are only implemented when the inner type
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// implements them.
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assert_impl_all!(TransparentStruct<NotZerocopy>: FromZeroes);
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assert_impl_all!(TransparentStruct<NotZerocopy>: FromBytes);
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assert_impl_all!(TransparentStruct<NotZerocopy>: AsBytes);
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assert_impl_all!(TransparentStruct<NotZerocopy>: Unaligned);
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