Method fork

src/main/java/trace/random/RandomCascade.kt:61–73

    }

    fun fork(): RandomCascade {
        val ret = RandomCascade()

        ret.r.clear()
        r.forEach { ret.r.add(it.fork()) }

        ret.h.clear()
        h.forEach { ret.h.add(it) }

        ret.a.clear()
        a.forEach { ret.a.add(it) }
        return ret;
    }

}