T13b Trees: Tree, TreeNode, TreeSelect, Outline, Disclosure (review pending: codex 401)

src/lists/mod.rs

@@ -1,15 +1,19 @@
 mod grouped;
 mod item;
 mod long;
+mod outline;
 mod select;
 mod sortable;
 mod swipe;
 #[cfg(test)]
 mod tests;
+mod tree;
 
 pub use grouped::GroupedList;
 pub use item::{List, ListItem};
 pub use long::{InfiniteList, VirtualList};
+pub use outline::Outline;
 pub use select::SelectableList;
 pub use sortable::SortableList;
 pub use swipe::{SwipeAction, SwipeableListItem};
+pub use tree::{DropAt, Tree, TreeNode, TreeSelect};