#include<array>

#include<cstring>

template<size_t SIZE>
class NByteData {
  std::array<unsigned char, SIZE> m_data;
public:
  using ThisT = NByteData<SIZE>;

  unsigned char* data() { return m_data.data(); }

  ThisT& operator=(const ThisT& t) {
    for (size_t i = 0; i < m_data.size(); i++) {
      m_data[i] = t.m_data[i];
    }
    return *this;
  }

  bool operator==(const ThisT& t)const {
    for (size_t i = 0; i < SIZE; i++) {
      if (m_data[i] != t.m_data[i])
        return false;
    }
    return true;
  }

  bool operator!=(const ThisT& t)const {
    return !this->operator==(t);
  }

  NByteData() {}

  NByteData(const ThisT& src) {
    this->operator=(src);
  }

  NByteData(std::initializer_list<unsigned char> inits) {
    unsigned char* p = m_data.data();
    for (auto uc : inits) {
      *p = uc;
      ++p;
    }
  }

};