defmodule CSV.Defaults do
  @moduledoc ~S"""
  The module defaults of CSV.
  """

  defmacro __using__(_) do
    quote do
      @separator ?,
      @newline ?\n
      @carriage_return ?\r
      @delimiter <<@carriage_return::utf8>> <> <<@newline::utf8>>
      @double_quote ?"
      @escape_max_lines 1000
      @replacement nil
    end
  end

  @doc """
  The default worker / work ratio.
  """
  def worker_work_ratio do
    5
  end

  @doc """
  The default number of workers used.
  """
  def num_workers do
    :erlang.system_info(:schedulers) * 3
  end
end