default_array_tuple_union_policy(uint8_t num_values = 1): num_values_(num_values) {}

void operator()(Array& array, const Array& other) const {

for (uint8_t i = 0; i < num_values_; ++i) {

array[i] += other[i];

}

}

uint8_t get_num_values() const {

return num_values_;

}

uint8_t num_values_;

using value_type = typename Array::value_type;

using Base = tuple_union<Array, Policy, Allocator>;

using CompactSketch = compact_array_tuple_sketch<Array, Allocator>;

using resize_factor = theta_constants::resize_factor;

class builder;

CompactSketch get_result(bool ordered = true) const;

// for builder

array_tuple_union(uint8_t lg_cur_size, uint8_t lg_nom_size, resize_factor rf, float p, uint64_t theta, uint64_t seed, const Policy& policy, const Allocator& allocator);