package ninetyNineScalaProblems

import scala.annotation.tailrec

object Problem08:
    def eliminateConsecutiveDuplicates(list: List[Any]): List[Any] =
        @tailrec
        def loop(cursor: List[Any], acc: List[Any]): List[Any] =
            cursor match
                case e1 :: e2 :: tail if e1 == e2 =>
                    loop(tail, e1 :: acc)
                case e :: tail =>
                    loop(tail, e :: acc)
                case Nil =>
                    acc

        loop(list, List()).reverse