anchor.diff:      try_expr(B, C, H, A);
   make_tree(tuple, [E]) -> tuple(E).
   
  +
   %% =====================================================================
   %% @spec meta(Tree::syntaxTree()) -> syntaxTree()
   %%
  
positive.code:       {'if', _, _} -> if_expr;
        {'receive', _, _, _, _} -> receive_expr;
        {'receive', _, _} -> receive_expr;
        {attribute, _, _, _} -> attribute;
        {bin, _, _} -> binary;
        {bin_element, _, _, _, _} -> binary_field;
        {block, _, _} -> block_expr;
  
negative.code:       Node1 -> (data(Node1))#record_expr.fields
      end.
  
  
  %% =====================================================================
  %% @spec application(Module, Function::syntaxTree(),
  %%                   Arguments::[syntaxTree()]) -> syntaxTree()
  