anchor.diff:  	 t_timeout/0,
   	 t_to_string/1,
   	 t_to_string/2,
  +	 t_to_string/3,
   	 t_to_tlist/1,
   	 t_tuple/0,
   	 t_tuple/1,
  
positive.code: 	{0, 0} -> "<<>>";
  	{8, 0} -> "binary()";
  	{1, 0} -> "bitstring()";
  	{0, B} -> flat_format("<<_:~w>>", [B]);
  	{U, 0} -> flat_format("<<_:_*~w>>", [U]);
  	{U, B} -> flat_format("<<_:~w,_:_*~w>>", [B, U])
        end;
      _ -> io_lib:format("Badly formed bitstr type ~w", [Type])
    end;
  
negative.code: -spec atom_to_string(atom()) -> string().
  
  atom_to_string(Atom) ->
    erl_types_flat_fmt:flat_format("~w", [Atom]).
  
  %%=============================================================================
  %% 
  