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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/transmutability/unions/boolish.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/transmutability/unions/boolish.rs')
-rw-r--r-- | src/test/ui/transmutability/unions/boolish.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/transmutability/unions/boolish.rs b/src/test/ui/transmutability/unions/boolish.rs new file mode 100644 index 000000000..975118b99 --- /dev/null +++ b/src/test/ui/transmutability/unions/boolish.rs @@ -0,0 +1,31 @@ +// check-pass + +#![crate_type = "lib"] +#![feature(transmutability)] +#![feature(marker_trait_attr)] +#![allow(dead_code)] +#![allow(incomplete_features)] + +mod assert { + use std::mem::BikeshedIntrinsicFrom; + pub struct Context; + + pub fn is_transmutable<Src, Dst>() + where + Dst: BikeshedIntrinsicFrom<Src, Context, false, false, false, true> + {} +} + +fn should_match_bool() { + #[derive(Copy, Clone)] #[repr(u8)] pub enum False { V = 0 } + #[derive(Copy, Clone)] #[repr(u8)] pub enum True { V = 1 } + + #[repr(C)] + pub union Bool { + pub f: False, + pub t: True, + } + + assert::is_transmutable::<Bool, bool>(); + assert::is_transmutable::<bool, Bool>(); +} |