improved documentation and refactored naming to be more self-explanatory

examples/todomvc.rs

@@ -202,13 +202,14 @@ pub fn ListFooter<'a>(cx: Scope<'a, ListFooterProps<'a>>) -> Element {
     let active_todo_count = cx.props.active_todo_count;
     let active_todo_text = cx.props.active_todo_text;
 
-    let selected = |state| {
-        if *cx.props.filter == state {
-            "selected"
-        } else {
-            "false"
-        }
-    };
+    let selected =
+        |state| {
+            if *cx.props.filter == state {
+                "selected"
+            } else {
+                "false"
+            }
+        };
 
     cx.render(rsx! {
         footer { class: "footer",