Add comment explaining the continue statement

agb/src/hash_map.rs

@@ -758,6 +758,10 @@ impl<K, V, ALLOCATOR: ClonableAllocator> NodeStorage<K, V, ALLOCATOR> {
             if let Some((k, v)) = node.key_value_mut() {
                 if !f(k, v) {
                     self.remove_from_location(i);
+
+                    // Need to continue before adding 1 to i because remove from location could
+                    // put the element which was next into the ith location in the nodes array,
+                    // so we need to check if that one needs removing too.
                     continue;
                 }
             }