fix: crash with ctrl-c on empty file

4 years ago · 7f6265ecf3
parent 0f55e67576
commit 7f6265ecf3
1 changed files with 1 additions and 1 deletions
--- a/helix-core/src/comment.rs
+++ b/helix-core/src/comment.rs
@ -51,7 +51,7 @@ pub fn toggle_line_comments(doc: &Rope, selection: &Selection) -> Transaction {
        let lines = start..end + 1;
        let (commented, skipped, min) = find_line_comment(token, text, lines.clone());

-        changes.reserve(end - start - skipped.len());
+        changes.reserve((end - start).saturating_sub(skipped.len()));

        for line in lines {
            if skipped.contains(&line) {