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Diffstat (limited to 'crates/mbe/src/tt_iter.rs')
-rw-r--r--crates/mbe/src/tt_iter.rs8
1 files changed, 4 insertions, 4 deletions
diff --git a/crates/mbe/src/tt_iter.rs b/crates/mbe/src/tt_iter.rs
index 97b37b24ad..71513ef439 100644
--- a/crates/mbe/src/tt_iter.rs
+++ b/crates/mbe/src/tt_iter.rs
@@ -176,10 +176,10 @@ impl<'a, S: Span> TtIter<'a, S> {
}
self.inner = self.inner.as_slice()[res.len()..].iter();
- let res = match res.len() {
- 0 | 1 => res.pop(),
- _ => Some(tt::TokenTree::Subtree(tt::Subtree {
- delimiter: tt::Delimiter::DUMMY_INVISIBLE,
+ let res = match &*res {
+ [] | [_] => res.pop(),
+ [first, ..] => Some(tt::TokenTree::Subtree(tt::Subtree {
+ delimiter: tt::Delimiter::invisible_spanned(first.first_span()),
token_trees: res,
})),
};