Method PutAligned

cpp/src/arrow/util/bit_stream_utils_internal.h:250–256

template <typename T>
inline bool BitWriter::PutAligned(T val, int num_bytes) {
  uint8_t* ptr = GetNextBytePtr(num_bytes);
  if (ptr == NULL) return false;
  val = arrow::bit_util::ToLittleEndian(val);
  memcpy(ptr, &val, num_bytes);
  return true;
}

template <typename T>
inline bool BitReader::GetValue(int num_bits, T* v) {