abc.scala

func() = {
  def rec(i: Int, acc: List[Array[Byte]]) {
    if (i == 0)
      acc
    else
      channel.basicGet(queueName, true) match {
        case x: GetResponse => rec(i - 1, x.getBody +: acc)
        case _ => acc
      }
  }

  rec(noItems, List.empty)
}