Another fizz buzz

FizzBuzzFs.scala

import fs2._
import cats._
import cats.implicits._

object Fs2FizzBuzz {

  val fb = Stream.emits(List(None, None, "Fizz".some)).
    repeat.
    zip(Stream.emits(List(None, None, None, None, "Buzz".some)).
      repeat).
    map{
      case (a,b) =>
        a |+| b
    }

  def run(n: Int) = fb[IO].map{
    case Some(a) => println(a)
    case _ =>
  }.take(n).
    compile.
    drain.
    unsafeRunSync
}