代码优化

idiomatic.scala

import util._

trait Idiomatic {
  
  def step1(s: String): Try[List[String]]
  
  def step2(s: String): Option[String]
  
  def logic(src: String) = {
    for(data1 <- step1(src)) {
      data1.find(p => step2(p).isDefined) match {
        case Some(s) => println(s"do something with $s") 
        case None => println("do something else")
      }
    }
  }
}