diff options
Diffstat (limited to 'tests/ui/lint/unused_braces_borrow.rs')
-rw-r--r-- | tests/ui/lint/unused_braces_borrow.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/lint/unused_braces_borrow.rs b/tests/ui/lint/unused_braces_borrow.rs new file mode 100644 index 000000000..b7c529d73 --- /dev/null +++ b/tests/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 +} |