Method AccrueReadNulls

cpp/src/arrow/util/rle_encoding_internal.h:856–859

  }

  constexpr void AccrueReadNulls(size_type to_read) noexcept {
    ARROW_DCHECK_LE(to_read, null_remaining());
    null_read_ += to_read;
  }

  constexpr size_type total_remaining() const noexcept {
    return values_remaining() + null_remaining();