scala常用操作-Tuple元祖转换成String字符串

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不BB直接上代码：

object Test {
  def main(args: Array[String]): Unit = {
    val a = ("a", 1, 9.9)
    var rs = ""
    a.productIterator.foreach(v=> rs = rs + v.toString+"\t")
    println(rs)
  }
}

RS:
a	1	9.9