wip: move everything over to a stack dst

examples/pattern_model.rs

@@ -76,7 +76,7 @@ struct CalculatorKeyProps<'a> {
     onclick: &'a dyn Fn(MouseEvent),
 }
 
-fn CalculatorKey<'a>((cx, props): Component<'a, CalculatorKeyProps>) -> DomTree<'a> {
+fn CalculatorKey<'a>((cx, props): Component<'a, CalculatorKeyProps>) -> Element<'a> {
     cx.render(rsx! {
         button {
             class: "calculator-key {props.name}"