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defmodule Queue do
  @functions :queue.module_info(:exports)

  Enum.map @functions, fn
    {:module_info, _} -> 0
    {name, 0} -> def unquote(name)(), do: apply(:queue, unquote(name), [])
    {name, 1} -> def unquote(name)(x), do: apply(:queue, unquote(name), [x])
    {name, 2} -> def unquote(name)(x,y), do: apply(:queue, unquote(name), [y, x])
  end
end