Functions

Factorial

Programming Factorial

actor Factorial() in
    func fact(x) in
        func fact_cps(n, k) in
            if n < 2 then k
            else fact_cps(n - 1, n * k) end
        end
        fact_cps(x, 1)
    end
    handle ask x in
        fact(x)
    end
end

Running Factorial

public static final String SOURCE = """
    actor Factorial() in
        func fact(x) in
            func fact_cps(n, k) in
                if n < 2 then k
                else fact_cps(n - 1, n * k) end
            end
            fact_cps(x, 1)
        end
        handle ask x in
            fact(x)
        end
    end""";

public static void perform() throws Exception {

    ActorRef actorRef = Actor.builder()
        .spawn(SOURCE);

    Object response = RequestClient.builder()
        .sendAndAwaitResponse(actorRef, Int64.of(10), 100, TimeUnit.MILLISECONDS);

    checkExpectedResponse(Int64.of(3628800), response);
}