Scala链式编程内幕

package big.data.analyse.scala

/**
  * 链式编程原理
  * Created by zhen on 2018/12/16.
  */
class Computer{def code = this}
class PC extends Computer{def portable = this}
/**
  * 使用type可以根据当前情况转化类型实现链式编程
  */
class Car{def run : this.type = this}
class Roadster extends Car{def luxury : this.type = this}
object Lsbc {
  def main (args: Array[String]) {
    val pc = new PC()
    //pc.code.portable // Cannot resolve symbol portable
    val roadster = new Roadster()
    roadster.run.luxury
  }
}