注意递归的使用,避免完全while循环。
为了避免无限递归,Scala要求每一个辅助构造函数调用在它之前定义的构造函数[ScalaSpec2009]。
In order to avoid infinite recursion, Scala requires each auxiliary constructor to invoke another constructor defined before it [ScalaSpec2009].
为了避免出现类似的递归细化,您应当把可重用的流程分为几个抽象级别。
To avoid such recursive refinements, you should group reusable processes into several abstraction levels.
应用推荐