defmodule ExULID.ULID do
  @moduledoc false

  @spec generate() :: String.t()
  def generate do
    timestamp = System.system_time(:millisecond)
    ts = <<timestamp::unsigned-integer-size(48)>>
    random = :crypto.strong_rand_bytes(10)
    Base.encode32(ts <> random, case: :upper, padding: false)
  end
end