try_transmute-size-increase.rs

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// Copyright 2023 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!("../../zerocopy-derive/tests/include.rs");

extern crate zerocopy;

use util::AU16;

use zerocopy::try_transmute;

// `try_transmute!` does not support transmuting from a smaller type to a larger

// one.

fn main() {

    let _increase_size: Result<AU16, _> = try_transmute!(0u8);