Exit early if iterator is empty

OffchainLabs · Feb 4, 2025 · 8e86745 · 8e86745
1 parent f28e5e5
commit 8e86745
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/stylus-sdk/src/storage/bytes.rs b/stylus-sdk/src/storage/bytes.rs
@@ -288,7 +288,11 @@ impl Erase for StorageBytes {
 
 impl Extend<u8> for StorageBytes {
     fn extend<T: IntoIterator<Item = u8>>(&mut self, iter: T) {
-        let mut iter = iter.into_iter();
+        let mut iter = iter.into_iter().peekable();
+        if iter.peek().is_none() {
+            return;
+        }
+
         let mut root = BytesRoot::new_mut(self);
         let mut len = root.len();