Lesson3_Part2.scala

  def computeLevenshtein(wordList: List[String], parallel: Boolean): Array[Array[Int]] = {
    maybeParallel(parallel, wordList).map((a) =>
      maybeParallel(parallel, wordList).map((b) =>
        Levenshtein.lev(a, b)).toArray
    ).toArray
  }

  def maybeParallel(parallel: Boolean, wordList: List[String]): GenSeq[String] with Immutable = {
    if(parallel)
      wordList.par
    else
      wordList
  }