草生やす関数

草生やしたいときに

def www( s:String ):String = {
  import scala.util.Random
  val rnd = new Random( )  
  val ws = List( "w","W","ｗ" )
  def w(n:Int):String = ( 0 - n) until rnd.nextInt(3) map { i => ws( rnd.nextInt( ws.size -1 ) ) } mkString
  
  ("ちょ" + w(1) + "おま" + w(1) ) + ("" /: s ){ ( c,e ) => c + e + w(0) } + w(0)
}

実行結果:

scala>   www("誰得よこんなん")
res1: String = ちょWWおまw誰得よWWこんwなんWwW