Do not panic when there is no damage rectangle

rust-windowing · Sep 9, 2023 · 9cfff8b · 9cfff8b
1 parent b7e0f6a
commit 9cfff8b
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/web.rs b/src/web.rs
@@ -146,7 +146,12 @@ impl WebImpl {
 
         let mut damage_iter = damage.iter();
 
-        let first_rect = damage_iter.next().expect("at least one damage rectangle");
+        let first_rect = if let Some(rect) = damage_iter.next() {
+            rect
+        } else {
+            // If there is no damage, there is nothing to do
+            return Ok(());
+        };
 
         struct UnionRegion {
             top: u32,