🚧 Code tweak

src/core/component/mixed.rs

@@ -207,6 +207,10 @@ impl MixedComponents {
 
     // MixedComponents GETTERS.
 
+    pub fn len(&self) -> usize {
+        self.0.len()
+    }
+
     pub fn is_empty(&self) -> bool {
         self.0.is_empty()
     }