Function ClearBit

src/common/compressed_iterator.h:30–32

  return byte & (1 << bit_idx);
}
inline void ClearBit(CompressedByteT *byte, int bit_idx) {
  *byte &= ~(1 << bit_idx);
}
inline constexpr int kPadding = 8;  // Assign padding so we can read slightly off
                                    // the beginning of the array