class IntHashMap implements IntMap<V> {

    static int tableSize(int cap) {
        int n = cap - 1;
        n |= n >>> 1;
        n |= n >>> 2;
        n |= n >>> 4;
        n |= n >>> 8;
        n |= n >>> 16;

        return (n < INITIAL_CAPACITY) ? INITIAL_CAPACITY : (n >= MAXIMUM_CAPACITY) ? MAXIMUM_CAPACITY : n + 1;
    }

    public  IntHashMap();
    public  IntHashMap(int cap);

}