by shigemk2

当面は技術的なことしか書かない

Scalaのリスト連結

だぶるころんで連結さす

$ 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 list1 = Nil
list1: scala.collection.immutable.Nil.type = List()

scala> val List2 = "Scala"::list1
List2: List[String] = List(Scala)

scala> val list3 = "Java"::List2
list3: List[String] = List(Java, Scala)

scala>