programming in scala chapter 20

Enumeration

package ch20

object Color extends Enumeration {
	val RED = Value("abcdefg")
	val GREEN, BLUE = Value
	val yellow = Value
	val Orange = Value
	
	//override def toString = Value.toString.toLowerCase
}

object Direction extends Enumeration {
	val North, East, South, West = Value
		
}
object EnuerationDemo {
  
	def main(args: Array[String]) {
		println(Color.BLUE.toString.toLowerCase)
		println(Color.GREEN)
		println(Color.RED)
		println(Color.yellow)
		println(Color.Orange)
		
		for (d <- Direction.values) print(d + " ")
		println(Direction.East.id)
		println(Direction(2))
}
}