Function swapEndian

extern/happly/happly.h:232–238

 */
template <typename T>
T swapEndian(T val) {
  char* bytes = reinterpret_cast<char*>(&val);
  for (unsigned int i = 0; i < sizeof(val) / 2; i++) {
    std::swap(bytes[sizeof(val) - 1 - i], bytes[i]);
  }
  return val;
}


// Unpack flattened list from the convention used in TypedListProperty