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@j5ik2o j5ik2o/末尾再帰.md
Last active Jul 7, 2019

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def loop(in: List[Int], acc: Int): Int =
  in match {
    case Nil => acc // 終了条件
    case head :: tail =>
      val result = head * 2 // headのタスク
      loop(tail, acc + result) // 残りのリストと計算途中を渡して処理を継続
val result = loop((1 to 10).toList, 0)
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