upd

Author: MatheusDS4

src/whackds.md

@@ -319,4 +319,8 @@ whack::ds::use_effect!({
         // or when component is unmounted.
     }
 }, [variant]);
-```
+```
+
+## Item key
+
+When interpolating a list of nodes inside the `xn!` macro, make sure to specify the special `key` attribute with an unique ID for each item.