scala> :paste // Entering paste mode (ctrl-D to finish) val t1 = (1, 2) val t2 = 1 -> 2 val t3 = 1 → 2 val t4 = Tuple2(1,2) val t5 = Pair(1, 2) val t6 = Triple(1, 2, 3) // Exiting paste mode, now interpreting. <pastie>:15: warning: object Pair in </pastie>…

scalaパッケージ配下にいるMapたち package 共通 scala.collection 不変 scala.collection.immutable 可変 scala.collection.mutable scala> :paste // Entering paste mode (ctrl-D to finish) val im = Map("a" -> "A") // Exiting paste mode, now interp…