// for testing compilation
import scala.util.{Try, Success, Failure}

import $file.cw041_add
import cw041_add._

val ffile = os.read(os.pwd / "br.while")

Try(test_string(ffile, "br")) match {
  case Success(v) => Console.println(s"   Generated a j-file.")
  case Failure(e) => Console.println(s"   Exception raised.") ; throw(e)
}