最大で22の要素を突っ込めるとか
$ scala Welcome to Scala version 2.10.3 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_51). Type in expressions to have them evaluated. Type :help for more information. scala> val t1 = ("Scala", 10) t1: (String, Int) = (Scala,10) scala> scala> t1._1 res1: String = Scala scala> t1._2 res2: Int = 10 scala> t1._3 <console>:9: error: value _3 is not a member of (String, Int) t1._3 ^ scala>