fix random panic found while testing

3 months ago · 6336ab43b3
parent 6c2b4ce26e
commit 6336ab43b3
1 changed files with 1 additions and 1 deletions
--- a/helix-view/src/gutter.rs
+++ b/helix-view/src/gutter.rs
@ -287,7 +287,7 @@ fn execution_pause_indicator<'doc>(
 ) -> GutterFn<'doc> {
    let style = theme.get("ui.debug.active");
    let current_stack_frame = editor.current_stack_frame();
-    let frame_line = current_stack_frame.map(|frame| frame.line - 1);
+    let frame_line = current_stack_frame.and_then(|frame| frame.line.checked_sub(1));
    let frame_source_path = current_stack_frame.map(|frame| {
        frame
            .source