diff --git a/examples/tty-02-digit/src/main.rs b/examples/tty-02-digit/src/main.rs
index ad50898..9279cc5 100644
--- a/examples/tty-02-digit/src/main.rs
+++ b/examples/tty-02-digit/src/main.rs
@@ -47,7 +47,7 @@ async fn main() {
      *         /   |     \
      *        /    |        \
      *       /     |          \
-     *     u32   EditTree     Char
+     *     u64   EditTree     Char
      *           - Editor         \
      *           - Display        EditTree
      *         /     |    \      - Editor
@@ -109,13 +109,13 @@ async fn main() {
                 .map_item(|p, a| {
                     a.add_style_back(TerminalStyle::fg_color(((25 * p.x % 255) as u8, 200, 0)))
                 })
-                .offset(Vector2::new(5, 0)));
+                .offset(Vector2::new(5,0)));
 
         let label_str = ctx.read().unwrap().type_term_to_str(&rt_digit.read().unwrap().get_type());
         comp.push(
             nested_tty::make_label(&label_str)
             .map_item(|_pt,atom| atom.add_style_front(TerminalStyle::fg_color((90,90,90))))
-            .offset(Vector2::new(1, 1)));
+            .offset(Vector2::new(1,1)));
 
         comp.push(rt_digit
             .edittree( &ctx ).get().read().unwrap()
diff --git a/lib-nested-core/src/editors/list/editor.rs b/lib-nested-core/src/editors/list/editor.rs
index 92fa436..6773891 100644
--- a/lib-nested-core/src/editors/list/editor.rs
+++ b/lib-nested-core/src/editors/list/editor.rs
@@ -124,23 +124,18 @@ impl ListEditor {
             .set_editor(editor.clone())
             .set_nav(editor.clone())
             .set_cmd(editor.clone())
-            .set_diag(e
-                      .get_data_port()
+            .set_diag(e.get_data_port()
                       .enumerate()
                       .map(|(idx, item_editor)| {
-                              let idx = *idx;
-                              item_editor
-                                  .get_msg_port()
-                                  .map(
-                                      move |msg| {
-                                          let mut msg = msg.clone();
-                                          msg.addr.insert(0, idx);
-                                          msg
-                                      }
-                                  )
+                          let idx = *idx;
+                          item_editor.get_msg_port()
+                              .map(move |msg| {
+                                  let mut msg = msg.clone();
+                                  msg.addr.insert(0, idx);
+                                  msg
+                              })
                           })
-                      .flatten()
-            );
+                      .flatten());
 
         node.ctrl.spillbuf = e.spillbuf.clone();
         node
diff --git a/lib-nested-core/src/editors/list/segment.rs b/lib-nested-core/src/editors/list/segment.rs
index f8dbdc7..4cd495b 100644
--- a/lib-nested-core/src/editors/list/segment.rs
+++ b/lib-nested-core/src/editors/list/segment.rs
@@ -42,11 +42,12 @@ impl SequenceView for ListSegmentSequence {
     type Item = ListSegment;
 
     fn len(&self) -> Option<usize> {
+        let l = self.data.len()?;
         match self.cur_cursor.mode {
             ListCursorMode::Insert => {
-                Some(self.data.len()? + if self.cur_cursor.idx.is_some() { 1 } else { 0 })
+                Some(l + if self.cur_cursor.idx.is_some() { 1 } else { 0 })
             }
-            _ => self.data.len(),
+            _ => Some(l),
         }
     }
 
diff --git a/lib-nested-core/src/repr_tree/context.rs b/lib-nested-core/src/repr_tree/context.rs
index a9ed8ec..c39da1e 100644
--- a/lib-nested-core/src/repr_tree/context.rs
+++ b/lib-nested-core/src/repr_tree/context.rs
@@ -223,7 +223,6 @@ impl Context {
     pub fn setup_edittree(
         &self,
         rt: &Arc<RwLock<ReprTree>>
-//        depth: OuterViewPort<dyn SingletonView<Item = usize>>
     ) -> Option<SingletonBuffer<Arc<RwLock<EditTree>>>> {
         if let Some(new_edittree) =
             rt.descend(self.type_term_from_str("EditTree").unwrap())
diff --git a/lib-nested-tty/src/editors/list.rs b/lib-nested-tty/src/editors/list.rs
index 189125c..e55172c 100644
--- a/lib-nested-tty/src/editors/list.rs
+++ b/lib-nested-tty/src/editors/list.rs
@@ -224,37 +224,37 @@ impl PTYListController {
             ListCursorMode::Insert => {
                 let rt = ReprTree::new_arc(e.typ.clone());
 
-                let ladder = laddertypes::TypeTerm::Ladder(vec![
+                let src_ladder = laddertypes::TypeTerm::Ladder(vec![
+                    rt.read().unwrap().get_type().clone()
+                ]);
+                let dst_ladder = laddertypes::TypeTerm::Ladder(vec![
                     rt.read().unwrap().get_type().clone(),
                     ctx.type_term_from_str("EditTree").expect("")
                 ]);
                 ctx.apply_morphism(
                     &rt,
                     &laddertypes::MorphismType {
-                        src_type: rt.get_type(),
-                        dst_type: ladder
+                        src_type: src_ladder,
+                        dst_type: dst_ladder
                     }
                 );
 
                 let new_edittree = ctx.setup_edittree( &rt );
 
                 if let Some(new_edittree) = new_edittree {
-
-                let mut ne = new_edittree.get();
-                let mut ne = ne.write().unwrap();
-                match ne.send_cmd_obj(cmd_obj.clone()) {
-                    TreeNavResult::Continue => {
-                        drop(ne);
-                        e.insert(new_edittree.value.read().unwrap().clone());
-                        TreeNavResult::Continue
+                    let mut ne = new_edittree.get();
+                    let mut ne = ne.write().unwrap();
+                    match ne.send_cmd_obj(cmd_obj.clone()) {
+                        TreeNavResult::Continue => {
+                            drop(ne);
+                            e.insert(new_edittree.value.read().unwrap().clone());
+                            TreeNavResult::Continue
+                        }
+                        TreeNavResult::Exit => {
+                            TreeNavResult::Exit
+                        }
                     }
-                    TreeNavResult::Exit => {
-                        TreeNavResult::Exit
-                    }
-                }
-
                 } else {
-
                     panic!("cant get edit tree");
                     TreeNavResult::Continue
                 }
@@ -301,7 +301,7 @@ impl ObjCommander for PTYListController {
         let cmd_type = cmd_obj.read().unwrap().get_type().clone();
 
         if cmd_type == Context::parse(&e.ctx, "ListCmd").into()
-        || cmd_type == Context::parse(&e.ctx, "NestedNode").into()
+        || cmd_type == Context::parse(&e.ctx, "EditTree").into()
         {
             e.send_cmd_obj( cmd_obj )
         }