anchor.diff:  -spec map_type_assoc_name(syntaxTree()) -> syntaxTree().
   
   map_type_assoc_name(Node) ->
  -    case Node of
  +    case unwrap(Node) of
           {type, _, map_field_assoc, [Name, _]} ->
               Name;
  -        _ ->
  -            (data(Node))#map_type_assoc.name
  +        Node1 ->
  +            (data(Node1))#map_type_assoc.name
       end.
   
   
  
positive.code: -spec map_type_assoc_value(syntaxTree()) -> syntaxTree().
  
  map_type_assoc_value(Node) ->
      case Node of
          {type, _, map_field_assoc, [_, Value]} ->
              Value;
          _ ->
              (data(Node))#map_type_assoc.value
      end.
  
  
  
negative.code: -spec map_type_exact_name(syntaxTree()) -> syntaxTree().
  
  map_type_exact_name(Node) ->
      case unwrap(Node) of
          {type, _, map_field_exact, [Name, _]} ->
              Name;
          Node1 ->
              (data(Node1))#map_type_exact.name
      end.
  
  
  