diff --git a/lib-nested-core/src/repr_tree/node.rs b/lib-nested-core/src/repr_tree/node.rs
index 339e177..bc51906 100644
--- a/lib-nested-core/src/repr_tree/node.rs
+++ b/lib-nested-core/src/repr_tree/node.rs
@@ -19,7 +19,7 @@ use {
         sync::{Arc, RwLock},
         any::Any
     },
-    super::{Context, ReprLeaf, ReprTreeExt, context::{TYPEID_vec, TYPEID_char, TYPEID_u64, TYPEID_edittree}}
+    super::{Context, ReprLeaf, ReprTreeExt, context::{TYPEID_list, TYPEID_vec, TYPEID_char, TYPEID_u64, TYPEID_edittree}}
 };
 
 //<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
@@ -192,7 +192,7 @@ impl ReprTree {
         V::Msg: Clone
     {
         while let Some(rung_type) = type_ladder.next() {
-            if &rung_type != self.get_type() {
+            if &rung_type != self.get_type() { 
                 if let Some(next_repr) = self.branches.get(&rung_type) {
                     next_repr.write().unwrap().attach_leaf_to(type_ladder, src_port);
                 } else {
@@ -285,8 +285,26 @@ impl ReprTree {
             ]) {
                 leaf.detach_vec::< u64 >();
             }
+            else if self.type_tag == TypeTerm::App(vec![
+                TypeTerm::TypeID(TYPEID_list),
+                TypeTerm::TypeID(TYPEID_edittree),
+            ]) {
+                leaf.detach::< dyn ListView<Arc<RwLock<crate::edit_tree::EditTree>>> >();
+            }
+            else if self.type_tag == TypeTerm::App(vec![
+                TypeTerm::TypeID(TYPEID_list),
+                TypeTerm::TypeID(TYPEID_char),
+            ]) {
+                leaf.detach::< dyn ListView<char> >();
+            }
+            else if self.type_tag == TypeTerm::App(vec![
+                TypeTerm::TypeID(TYPEID_list),
+                TypeTerm::TypeID(TYPEID_u64),
+            ]) {
+                leaf.detach::< dyn ListView<u64> >();
+            }
             else {
-                eprintln!("cant detach type");
+                eprintln!("cant detach type {}", ctx.read().unwrap().type_term_to_str(&self.type_tag));
             }
         }