scala index of

IndexOfAny.scala

object FuncThinking1 extends App {

  def firstIndexOfAny(input: String, searchChars: Seq[Char]): Option[Int] = {

    def indexedInput = (0 until input.length).zip(input)
    val result = for (pair <- indexedInput; char <- searchChars; if (char == pair._2))
      yield (pair._1)

    if (result.isEmpty)
      None
    else
      Some(result.head)
  }

  val result1 = firstIndexOfAny("123445asldkfjasdf", "a"))
  println(result1)
  
  def indexOfAny(input:String, searchChars:Seq[Char]):Seq[Int] = {
    def indexedinput = (0 until input.length).zip(input)
    
    for(pair <- indexedinput; char <- searchChars; if(char == pair._2))
      yield pair._1
  }
  
  val result2 = indexOfAny("123445asldkfjasdf", "35")
  println(result2)
}