Scala - Transforms an Object into a Map

Object2Map.scala

trait Object2Map {

  implicit class RichObject(o: AnyRef) {
    def asMap : Map[String, Option[Any]] =
      (Map[String, Option[Any]]() /: o.getClass.getDeclaredFields) {
        (acc, field) =>
          field.setAccessible(true)
          acc + (field.getName -> Option(field.get(o)))
      }
  }

}


// private case class CmdLine(dir   : String = ".",
//                            output: String = null,
//                            input : String = null)
// 
// val args =
//   cmd.asMap
//     .filter{ case (k,v) => v.isDefined }