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// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#![allow(warnings)]
mod util;
use std::{marker::PhantomData, option::IntoIter};
use {
static_assertions::assert_impl_all,
zerocopy::{FromBytes, FromZeroes},
};
use crate::util::AU16;
// A struct is `FromBytes` if:
// - all fields are `FromBytes`
#[derive(FromZeroes, FromBytes)]
struct Zst;
assert_impl_all!(Zst: FromBytes);
#[derive(FromZeroes, FromBytes)]
struct One {
a: u8,
}
assert_impl_all!(One: FromBytes);
#[derive(FromZeroes, FromBytes)]
struct Two {
a: u8,
b: Zst,
}
assert_impl_all!(Two: FromBytes);
#[derive(FromZeroes, FromBytes)]
struct Unsized {
a: [u8],
}
assert_impl_all!(Unsized: FromBytes);
#[derive(FromZeroes, FromBytes)]
struct TypeParams<'a, T: ?Sized, I: Iterator> {
a: I::Item,
b: u8,
c: PhantomData<&'a [u8]>,
d: PhantomData<&'static str>,
e: PhantomData<String>,
f: T,
}
assert_impl_all!(TypeParams<'static, (), IntoIter<()>>: FromBytes);
assert_impl_all!(TypeParams<'static, AU16, IntoIter<()>>: FromBytes);
assert_impl_all!(TypeParams<'static, [AU16], IntoIter<()>>: FromBytes);
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