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// Copyright 2024 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.
include!("../include.rs");
use util::{NotZerocopy, AU16};
use zerocopy::try_transmute_mut;
fn main() {
// `try_transmute_mut` requires that the destination type implements
// `IntoBytes`
let src = &mut AU16(0);
let dst_not_try_from_bytes: Result<&mut NotZerocopy, _> = try_transmute_mut!(src);
//~[msrv, stable, nightly]^ ERROR: the trait bound `NotZerocopy: TryFromBytes` is not satisfied
//~[msrv, stable, nightly]^^ ERROR: the trait bound `NotZerocopy: TryFromBytes` is not satisfied
//~[msrv, stable, nightly]^^^ ERROR: the trait bound `NotZerocopy: TryFromBytes` is not satisfied
//~[msrv, stable, nightly]^^^^ ERROR: the trait bound `NotZerocopy: IntoBytes` is not satisfied
#[derive(zerocopy::IntoBytes)]
#[repr(C)]
struct SrcA;
#[derive(zerocopy::TryFromBytes)]
#[repr(C)]
struct DstA;
// `try_transmute_mut` requires that the source type implements `FromBytes`
let src_not_from_bytes: &mut DstA = try_transmute_mut!(&mut SrcA).unwrap();
//~[msrv, stable, nightly]^ ERROR: the trait bound `SrcA: FromBytes` is not satisfied
//~[msrv, stable, nightly]^^ ERROR: the trait bound `DstA: IntoBytes` is not satisfied
#[derive(zerocopy::FromBytes)]
#[repr(C)]
struct SrcB;
#[derive(zerocopy::TryFromBytes)]
#[repr(C)]
struct DstB;
// `try_transmute_mut` requires that the source type implements `IntoBytes`
let src_not_from_bytes: &mut DstB = try_transmute_mut!(&mut SrcB).unwrap();
//~[msrv, stable, nightly]^ ERROR: the trait bound `SrcB: IntoBytes` is not satisfied
//~[msrv, stable, nightly]^^ ERROR: the trait bound `DstB: IntoBytes` is not satisfied
}