diff options
Diffstat (limited to 'tests/ui-msrv/transmute-ptr-to-usize.rs')
| -rw-r--r-- | tests/ui-msrv/transmute-ptr-to-usize.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui-msrv/transmute-ptr-to-usize.rs b/tests/ui-msrv/transmute-ptr-to-usize.rs new file mode 100644 index 0000000..5af8859 --- /dev/null +++ b/tests/ui-msrv/transmute-ptr-to-usize.rs @@ -0,0 +1,20 @@ +// Copyright 2022 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. + +extern crate zerocopy; + +use zerocopy::transmute; + +fn main() {} + +// It is unclear whether we can or should support this transmutation, especially +// in a const context. This test ensures that even if such a transmutation +// becomes valid due to the requisite implementations of `FromBytes` being +// added, that we re-examine whether it should specifically be valid in a const +// context. +const POINTER_VALUE: usize = transmute!(&0usize as *const usize); |