IdExample1.scala

object IdExample1 extends App {

  def sumSquare[F[_]: Monad](a: F[Int], b: F[Int]): F[Int] = {
    a.flatMap(x => b.map(y => x*x + y*y))
  }

  import cats.instances.list._
  import cats.instances.option._

  val result1 = sumSquare(Option(2), Option(5))
  println(result1)

  val result2 = sumSquare(List(1, 2, 3), List(4, 5, 6))
  println(result2)
  
//  val result3 = sumSquare(2, 4) //Getting error
//  println(result3)
  
  val result4 = sumSquare(2: Id[Int], 4: Id[Int]) //Getting error
  println(result4)
}