Method YArrayIterator

src/yarray.h:663–667

initially the iterator is invalid until next() is called.

public:
    // initially the iterator is invalid until next() is called.
    YArrayIterator(ArrayType *arr, bool reverse):
        array(arr),
        step(reverse ? -1 : 1),
        index(reverse ? arr->getCount() : -1)
    {}
    bool hasNext() const {
        return validate(step);
    }