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Would you consider this to be idiomatic Scala? If not, what would you do to improve it?
def fibonaccis(max: Int): List[Int] = { fibonaccis(max, 2, 1) }
private def fibonaccis(max: Int, prev: Int, prevPrev: Int): List[Int] = prev >= max match {
case true => List[Int](prevPrev)
case false => p...