anchor.diff:  -endif.
   
   puts(Value) -> io:format(user, "~p~n", [Value]).
  -time() -> ok.
   
   decode_json(Data) ->
     JsonData = jiffy:decode(Data, [return_maps]),
  
positive.code: -export([
           puts/1,
           rand_hash/1,
           time/0,
           next_page/1,
           decode_json/1
          ]).
  
negative.code: 
  rand_hash(Size) ->
    Rand = crypto:strong_rand_bytes(Size),
    BinBase = base64:encode(Rand),
    Base = binary_to_list(BinBase),
    lists:sublist(Base, 1, Size).
  
  next_page(#pagination{from = From, count = Count}) -> #pagination{from = From + Count, count = Count}.
  
  