Margus example

    public static void main(String[] args) {
        final BigInteger limit = BigInteger.valueOf(317);
        Function<BigInteger, BigInteger> next = new Function<BigInteger, BigInteger>() {
            @Override public BigInteger apply(BigInteger val) {
                return val.add(BigInteger.ONE);
            }
        };
        Predicate<BigInteger> to = new Predicate<BigInteger>() {
            @Override public boolean apply(BigInteger val) {
                return limit.compareTo(val) >= 0;
            }
        };
        Iterable<BigInteger> nrs = range(BigInteger.valueOf(311), to, next);

        System.out.println(nrs); // use without loop
        for (BigInteger b : nrs) // use with for each loop
            System.out.println(b);

        /*  Expected output:
        [311, 312, 313, 314, 315, 316, 317]
         311
         312
         313
         314
         315
         316
         317
        */
    }