t0042.scala

来自「JAVA 语言的函数式编程扩展」· SCALA 代码 · 共 10 行

object Test extends Application {
  def getClause[T](clauses: List[T]): Option[T] = {
    for (c <- clauses) {
      return Some(c)
    }
    return None
  }
  println(getClause(List(1, 2, 3)))
}