Fixes crash on empty rust file.

Fixes helix-editor#591
luctius · Aug 16, 2021 · 39be30d · 39be30d
1 parent 7892349
commit 39be30d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/helix-core/src/match_brackets.rs b/helix-core/src/match_brackets.rs
@@ -26,7 +26,7 @@ pub fn find(syntax: &Syntax, doc: &Rope, pos: usize) -> Option<usize> {
 
     let len = doc.len_bytes();
     let start_byte = node.start_byte();
-    let end_byte = node.end_byte() - 1; // it's end exclusive
+    let end_byte = node.end_byte().saturating_sub(1); // it's end exclusive
     if start_byte >= len || end_byte >= len {
         return None;
     }