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| template <typename T, std::size_t N>
class ArrayResult {
constexpr static std::size_t size_ = N;
T data_[N] {};
public:
constexpr std::size_t size() const { return N; }
constexpr T& operator[](std::size_t n) { return data_[n]; }
constexpr const T& operator[](std::size_t n) const { return data_[n]; }
using iterator = T*;
using const_iterator = const T*;
constexpr iterator begin() { return &data_[0]; }
constexpr const_iterator begin() const { return &data_[0]; }
constexpr iterator end() { return &data_[N]; }
constexpr const_iterator end() const { return &data_[N]; }
};
|