#ifndef tests_rng_483f8f25f09ae06
#define tests_rng_483f8f25f09ae06

#include <array>
#include <random>

struct rng {
    rng(auto s)
            : seed(s)
            , generator(seed) {}

    rng()
            : rng([] { return std::random_device{}(); }()) {}

    template <typename T>
        requires std::is_integral_v<T>
    T get() noexcept {
        union {
            std::array<std::mt19937::result_type,
                    1 + sizeof(T) / sizeof(std::mt19937::result_type)>
                    data;
            T v;
        } u;

        for (auto& d : u.data) {
            d = generator();
        }

        return u.v;
    }

    template <typename T, std::size_t N>
        requires std::is_integral_v<T>
    auto get() noexcept {
        std::array<T, N> values;
        for (auto& value : values) {
            value = get<T>();
        }
        return values;
    }

    std::random_device::result_type seed;
    std::mt19937 generator;
};

#endif // tests_rng_483f8f25f09ae06