anchor.diff:  	%% maps module
   	t_maps_fold, t_maps_map,
   	t_maps_size, t_maps_without,
  -
   
           %% Other functions
   	t_pdict,
  
positive.code: 	t_guard_bifs, t_guard_sequence, t_guard_update,
  	t_guard_receive,t_guard_fun, t_list_comprehension,
  	t_map_sort_literals,
  
  	%% Specific Map BIFs
  	t_bif_map_get,t_bif_map_find,t_bif_map_is_key,
  	t_bif_map_keys, t_bif_map_merge, t_bif_map_new,
  
negative.code:     {'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id(#{x=>"three"}))),
      ok.
  
  t_map_size(Config) when is_list(Config) ->
      0 = map_size(id(#{})),
      1 = map_size(id(#{a=>1})),
  