Vendor dependencies for 0.3.0 release

vendor/zerocopy-derive/tests/ui-nightly/derive_transparent.rs

@@ -0,0 +1,38 @@
+// 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.
+
+extern crate zerocopy;
+
+#[path = "../include.rs"]
+mod util;
+
+use core::marker::PhantomData;
+
+use zerocopy::{FromBytes, FromZeros, IntoBytes, TryFromBytes, Unaligned};
+
+use self::util::util::NotZerocopy;
+
+fn main() {}
+
+// Test generic transparent structs
+
+#[derive(IntoBytes, FromBytes, Unaligned)]
+#[repr(transparent)]
+struct TransparentStruct<T> {
+    inner: T,
+    _phantom: PhantomData<()>,
+}
+
+// It should be legal to derive these traits on a transparent struct, but it
+// must also ensure the traits are only implemented when the inner type
+// implements them.
+util_assert_impl_all!(TransparentStruct<NotZerocopy>: TryFromBytes);
+util_assert_impl_all!(TransparentStruct<NotZerocopy>: FromZeros);
+util_assert_impl_all!(TransparentStruct<NotZerocopy>: FromBytes);
+util_assert_impl_all!(TransparentStruct<NotZerocopy>: IntoBytes);
+util_assert_impl_all!(TransparentStruct<NotZerocopy>: Unaligned);