Method begin

util/generic/hash_table.h:630–637

    }

    iterator begin() {
        for (size_type n = 0; n < buckets.size(); ++n) { /*y*/
            if (buckets[n]) {
                return iterator(buckets[n]); /*y*/
            }
        }
        return end();
    }

    iterator end() {
        return iterator(nullptr);