anchor.diff:           t_bif_map_new/1,
            t_bif_map_put/1,
            t_bif_map_remove/1,
  +         t_bif_map_take/1, t_bif_map_take_large/1,
            t_bif_map_update/1,
            t_bif_map_values/1,
            t_bif_map_to_list/1,
  
positive.code:           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,
            t_bif_map_put,
            t_bif_map_remove, t_bif_map_update,
            t_bif_map_values,
            t_bif_map_to_list, t_bif_map_from_list,
  
  
negative.code:     0  = erlang:map_size(maps:remove(some_key, #{})),
  
      M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
              4 => number, 18446744073709551629 => wat},
  
      M1 = maps:remove("hi", M0),
      true = is_members([4,18446744073709551629,int,<<"key">>],maps:keys(M1)),
  