anchor.diff:      ok.
   
   %% Tests size(Map).
  -
  -t_size(Config) when is_list(Config) ->
  +%% not implemented, perhaps it shouldn't be either
  +
  +%t_size(Config) when is_list(Config) ->
   %    0 = size(#{}),
   %    1 = size(#{a=>1}),
   %    1 = size(#{a=>#{a=>1}}),
   %    2 = size(#{a=>1, b=>2}),
   %    3 = size(#{a=>1, b=>2, b=>"3"}),
  -    ok.
  +%    ok.
   
   t_map_size(Config) when is_list(Config) ->
       0 = map_size(id(#{})),
  
positive.code: 	t_guard_receive/1, t_guard_fun/1,
  	t_list_comprehension/1,
  	t_map_sort_literals/1,
  	t_size/1, t_map_size/1,
  
  	%% Specific Map BIFs
  	t_bif_map_get/1,
  
negative.code: 	t_bif_map_to_list, t_bif_map_from_list,
  
  	%% erlang
  	t_erlang_hash, t_map_encode_decode,
  	%t_size,
  	t_map_size
      ].
  
  groups() -> [].
  