enum_from_zeroes.rs

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// 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.

#![allow(warnings)]

mod util;

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

#[derive(FromZeroes)]

enum Foo {

A,

assert_impl_all!(Foo: FromZeroes);

#[derive(FromZeroes)]

enum Bar {

    A = 0,

assert_impl_all!(Bar: FromZeroes);

#[derive(FromZeroes)]

enum Baz {

    A = 1,

    B = 0,

assert_impl_all!(Baz: FromZeroes);