scala 闭包

object TestBreak {
  var f = 3
  val mu = (i:Int) => i * f
  def main(args: Array[String]): Unit = {
    var f = 4
    println( "muliplier(1) value = " +  mu(1))
  }
}

输出:

muliplier(1) value = 3

main方法的f=4不会影响mu的闭包.