Suppress unused variable warning on variables used in group macro #1946
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warning: variable `brace` is assigned to, but never used
--> tests/test_meta.rs:168:17
|
168 | let brace;
| ^^^^^
|
= note: consider using `_brace` instead
= note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
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New warning in nightly-2025-11-23 since rust-lang/rust#149072.