autocommit 2022-04-23 00:55:20 CEST

src/tree/stacked.rs

@@ -0,0 +1,11 @@
+use {crate::tree::Node, std::rc::Rc};
+
+pub trait StackedNode: Node {
+    fn stacked_as_node(&self) -> &dyn Node;
+    fn stacked_into_node(self: Rc<Self>) -> Rc<dyn Node>;
+    fn stacked_into_dyn(self: Rc<Self>) -> Rc<dyn StackedNode>;
+
+    fn stacked_absolute_position_constrains_input(&self) -> bool {
+        true
+    }
+}