zerocopy-derive 0.7.21

Custom derive for traits from the zerocopy crate
Documentation 
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// Copyright 2022 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)]

#[macro_use]
mod util;

use std::{marker::PhantomData, option::IntoIter};

use {static_assertions::assert_impl_all, zerocopy::KnownLayout};

use crate::util::AU16;

#[derive(KnownLayout)]
struct Zst;

assert_impl_all!(Zst: KnownLayout);

#[derive(KnownLayout)]
struct One {
    a: bool,
}

assert_impl_all!(One: KnownLayout);

#[derive(KnownLayout)]
struct Two {
    a: bool,
    b: Zst,
}

assert_impl_all!(Two: KnownLayout);

#[derive(KnownLayout)]
struct TypeParams<'a, T, 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<()>>: KnownLayout);
assert_impl_all!(TypeParams<'static, AU16, IntoIter<()>>: KnownLayout);