Method ToString

cpp/src/arrow/util/bitmap.cc:33–39

namespace internal {

std::string Bitmap::ToString() const {
  std::string out(length_ + ((length_ - 1) / 8), ' ');
  for (int64_t i = 0; i < length_; ++i) {
    out[i + (i / 8)] = GetBit(i) ? '1' : '0';
  }
  return out;
}

std::string Bitmap::Diff(const Bitmap& other) const {
  auto this_buf = std::make_shared<Buffer>(data_, length_);