Function ReverseByteOrder

libs/coding/endianness.hpp:27–37

template <typename T>
T ReverseByteOrder(T t)
{
  static_assert(std::is_integral<T>::value, "Only integral types are supported.");

  T res;
  char const * a = reinterpret_cast<char const *>(&t);
  char * b = reinterpret_cast<char *>(&res);
  for (size_t i = 0; i < sizeof(T); ++i)
    b[i] = a[sizeof(T) - 1 - i];
  return res;
}

template <typename T>
T SwapIfBigEndianMacroBased(T t)