Method OptionalBitBlockCounter

cpp/src/arrow/util/bit_block_counter.cc:40–45

}

OptionalBitBlockCounter::OptionalBitBlockCounter(const uint8_t* validity_bitmap,
                                                 int64_t offset, int64_t length)
    : has_bitmap_(validity_bitmap != nullptr),
      position_(0),
      length_(length),
      counter_(util::MakeNonNull(validity_bitmap), offset, length) {}

OptionalBitBlockCounter::OptionalBitBlockCounter(
    const std::shared_ptr<Buffer>& validity_bitmap, int64_t offset, int64_t length)