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fahadsiddiqui/recursive_flatten.scala

Created April 27, 2017 04:56
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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)
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