fahadsiddiqui · April 27, 2017 04:56
diff --git a/recursive_flatten.scala b/recursive_flatten.scala
 def foo(l: List[Any]): List[Int] = {
  l flatMap {
    case e: Int => List(e)
    case f: List[Any] => foo(f)
  }
 }

 foo(List(1, List(1, 3, List(1, 7, List(3, 5, 7)))))  // results List(1, 1, 3, 1, 7, 3, 5, 7)
	def foo(l: List[Any]): List[Int] = {
	l flatMap {
	case e: Int => List(e)
	case f: List[Any] => foo(f)
	}
	}

	foo(List(1, List(1, 3, List(1, 7, List(3, 5, 7))))) // results List(1, 1, 3, 1, 7, 3, 5, 7)