diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/lint/unused_braces_borrow.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/lint/unused_braces_borrow.rs')
-rw-r--r-- | src/test/ui/lint/unused_braces_borrow.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused_braces_borrow.rs b/src/test/ui/lint/unused_braces_borrow.rs new file mode 100644 index 000000000..b7c529d73 --- /dev/null +++ b/src/test/ui/lint/unused_braces_borrow.rs @@ -0,0 +1,26 @@ +// check-pass +// run-rustfix + +#![warn(unused_braces)] + +// changing `&{ expr }` to `&expr` changes the semantic of the program +// so we should not warn this case + +#[repr(packed)] +pub struct A { + pub a: u8, + pub b: u32, +} + +fn consume<T>(_: T) {} + +fn main() { + let a = A { + a: 42, + b: 1729, + }; + + consume(&{ a.b }); + consume({ a.b }); + //~^ WARN unnecessary braces +} |