object A
{
    val name = "1/2/3"

        val l_brief = new StringBuilder(name.length)
        def loop(a_index : Int) : Unit =
        {
            Console.println("loop depth: " + (new Exception).getStackTrace.length)
            l_brief.append(name.charAt(a_index))
            val l_slash = name.indexOf("/", a_index)

            Console.println("a_index: " + a_index + ", l_slash: " + l_slash)

            if (-1 != l_slash)
            {
                loop(1 + l_slash)
            }
        }
        loop(0)

    val briefName =
        l_brief.toString

    Console.println(briefName)
}

object B
{
    val name = "1/2/3"

    val briefName =
    {
        val l_brief = new StringBuilder(name.length)
        def loop(a_index : Int) : Unit =
        {
            Console.println("loop depth: " + (new Exception).getStackTrace.length)
            l_brief.append(name.charAt(a_index))
            val l_slash = name.indexOf("/", a_index)

            Console.println("a_index: " + a_index + ", l_slash: " + l_slash)

            if (-1 != l_slash)
            {
                loop(1 + l_slash)
            }
        }
        loop(0)

        l_brief.toString
    }

    Console.println(briefName)
}

object Main extends Application
{
    Console.println("Output of A:")
    val a = A
    Console.println()
    Console.println("Output of B:")
    val b = B
}