anchor.diff:  -export([
            puts/1,
            rand_hash/1,
  -         time/0,
            next_page/1,
            decode_json/1
           ]).
  
positive.code: 
  rand_hash(Size) ->
    Rand = crypto:strong_rand_bytes(Size),
    Base = base64:encode(Rand),
    WordSize = string:words(Base),
    string:sub_string(Base, 0, WordSize - 3).
  
  next_page(#pagination{from = From, count = Count}) -> #pagination{from = From + Count, count = Count}.
  
  
negative.code: -endif.
  
  puts(Value) -> io:format(user, "~p~n", [Value]).
  
  decode_json(Data) ->
    JsonData = jiffy:decode(Data, [return_maps]),
  