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Merge #11180
11180: minor: add missing test r=matklad a=matklad
This test kills the following mutant:
diff --git a/crates/mbe/src/tt_iter.rs b/crates/mbe/src/tt_iter.rs
index 9d2b1da9a..055d9a733 100644
--- a/crates/mbe/src/tt_iter.rs
+++ b/crates/mbe/src/tt_iter.rs
`@@` -134,7 +134,7 `@@` impl<'a> TtIter<'a> {
self.inner = self.inner.as_slice()[res.len()..].iter();
let res = match res.len() {
1 => Some(res[0].cloned()),
- 0 => None,
+ // 0 => None,
_ => Some(tt::TokenTree::Subtree(tt::Subtree {
delimiter: None,
token_trees: res.into_iter().map(|it| it.cloned()).collect(),
bors r+
🤖
Co-authored-by: Aleksey Kladov <[email protected]>
| -rw-r--r-- | crates/hir_def/src/macro_expansion_tests/mbe/matching.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs b/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs index 517dfb15b6..bc162d0fa2 100644 --- a/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs +++ b/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs @@ -122,3 +122,17 @@ stringify!(.. .. ..|); "#]], ); } + +#[test] +fn trailing_vis() { + check( + r#" +macro_rules! m { ($($i:ident)? $vis:vis) => () } +m!(x pub); +"#, + expect![[r#" +macro_rules! m { ($($i:ident)? $vis:vis) => () } + +"#]], + ) +} |