ПСЯПР пятая

Lab5.scala

object Main extends App {
  val counterFunc: () => Int =  {
    var count = 0
    () => {
      count = count + 1
      val returnVal = count
      returnVal
    }
  }
  
  def convertNum(radix:Int) = (num:Int)=>{
    radix match {
      case 2 => Integer.toBinaryString(num)
      case 8 => Integer.toOctalString(num)
      case 16=> Integer.toHexString(num)
      case _ => Integer.toString(num, radix)
    }
  }
  
  def decimalToBin(num:Int) = convertNum(2)(num)

  def randomList(Z:Int)= (n:Int)=> {
    val rand = scala.util.Random

    def getElement(count: Int): List[Int] = {
      if (count == 0) Nil
      else {
        val element = rand.nextInt(10) + Z - 5
        element :: getElement(count - 1)
      }
    }
    
    getElement(n)
  }

  counterFunc()
  counterFunc()
  println("Function calls:"+counterFunc())
  println("Carrying:"+ decimalToBin(51))
  println("Random list:"+randomList(20)(30))
}