gistfile1.scala

var x = 0
println("reset{} " +
    reset{
        x = shift{ cont: (Int => Int) =>
                println("cont(1): " + cont(1))
                println("cont(2): " + cont(2))
                5
            }
        println("reset() " + x)
        x * 2
    }
)

(pp 
    (call/cc 
        (lambda (cont) 
            (pp (cont 1))
            (pp (cont 2))
        )
    ) 
)