diff --git a/src/ast2/mod.rs b/src/ast2/mod.rs
index 0196535..b915613 100644
--- a/src/ast2/mod.rs
+++ b/src/ast2/mod.rs
@@ -1030,15 +1030,10 @@ impl Ast {
     }
 
     /// converts from a value expression to a place expression.
-    fn push_value_to_place_conversion(&mut self, rvalue: Index) -> Index {
+    fn push_value_to_place_conversion(&mut self, index: Index) -> Index {
         let loc = self.get_loc(index);
         let i = self.reserve_node_other();
-        self.set_tag_data_source_loc(
-            rvalue,
-            Tag::ValueToPlaceConversion,
-            Data::index(rvalue),
-            loc,
-        );
+        self.set_tag_data_source_loc(index, Tag::ValueToPlaceConversion, Data::index(index), loc);
 
         i
     }
@@ -4803,7 +4798,8 @@ pub trait AstVisitorTrait {
             Tag::ValueToPlaceConversion => self.visit_value_to_place_conversion(ast, idx),
             Tag::Error => todo!(),
             Tag::Undefined => todo!(),
-            _ => todo!(),
+            Tag::Root => todo!(),
+            Tag::File => todo!(),
         }
     }
 }