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…