- foreach
val xs = List("date", "since", "other1", "other2")
xs.foreach { str =>
str match {
case "date" => println("Match Date")
case "since" => println("Match Since")
case unknow => println("Others")
}
println("Put your post step here")
}
注意:如果要使用一段代码作为foreach（）的参数，则应使用{}而不是（）。