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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:11:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:11:28 +0000
commit94a0819fe3a0d679c3042a77bfe6a2afc505daea (patch)
tree2b827afe6a05f3538db3f7803a88c4587fe85648 /vendor/rowan/src/cursor.rs
parentAdding upstream version 1.64.0+dfsg1. (diff)
downloadrustc-94a0819fe3a0d679c3042a77bfe6a2afc505daea.tar.xz
rustc-94a0819fe3a0d679c3042a77bfe6a2afc505daea.zip
Adding upstream version 1.66.0+dfsg1.upstream/1.66.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--vendor/rowan/src/cursor.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/vendor/rowan/src/cursor.rs b/vendor/rowan/src/cursor.rs
index 39b0c9624..671be2348 100644
--- a/vendor/rowan/src/cursor.rs
+++ b/vendor/rowan/src/cursor.rs
@@ -390,7 +390,7 @@ impl NodeData {
}
fn prev_sibling(&self) -> Option<SyntaxNode> {
let mut rev_siblings = self.green_siblings().enumerate().rev();
- let index = rev_siblings.len() - (self.index() as usize);
+ let index = rev_siblings.len().checked_sub(self.index() as usize + 1)?;
rev_siblings.nth(index);
rev_siblings.find_map(|(index, child)| {