this is a joke, surely.

hello.scala

object Hi {
    def main(args: Array[String]) = {
        println(testing)
    }

    def testing : Either[String, String] = {
        val eitherString1 = Right("lol")
        val eitherString2 = Right("YOLO", 7)
        for {
            s1 <- eitherString1.right
            (s2, _) <- eitherString2.right
        } yield s1 ++ s2
    }
}