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Diffstat (limited to '')
-rw-r--r-- | third_party/rust/zerocopy/tests/ui-msrv/transmute-size-decrease.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/third_party/rust/zerocopy/tests/ui-msrv/transmute-size-decrease.rs b/third_party/rust/zerocopy/tests/ui-msrv/transmute-size-decrease.rs new file mode 100644 index 0000000000..1d56831f22 --- /dev/null +++ b/third_party/rust/zerocopy/tests/ui-msrv/transmute-size-decrease.rs @@ -0,0 +1,19 @@ +// 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/util.rs"); + +extern crate zerocopy; + +use zerocopy::transmute; + +fn main() {} + +// Although this is not a soundness requirement, we currently require that the +// size of the destination type is not smaller than the size of the source type. +const DECREASE_SIZE: u8 = transmute!(AU16(0)); |