scalaでfizzbuzz問題

fizzbuzz.scala

package com.main

object Fizzbuzz {
  def main(args:Array[String]){
    this.run(15).zipWithIndex foreach {
      case(x,i) => println( (i+1) + " : " + x)
    }
  }

  def run(max:Int):Seq[String] = {
    var ret:Seq[String] = Seq.range(1,max+1).map{
      n => if(n%15 == 0) "fizzbuzz"
      else if(n%3 == 0) "fizz"
      else if(n%5 == 0) "buzz"
      else n.toString()
    }
    ret
  }
  
}