Function VisitSetBitRunsVoid

cpp/src/arrow/util/bit_run_reader.h:508–523

template <typename Visit>
inline void VisitSetBitRunsVoid(const uint8_t* bitmap, int64_t offset, int64_t length,
                                Visit&& visit) {
  if (bitmap == NULLPTR) {
    // Assuming all set (as in a null bitmap)
    visit(static_cast<int64_t>(0), static_cast<int64_t>(length));
    return;
  }
  SetBitRunReader reader(bitmap, offset, length);
  while (true) {
    const auto run = reader.NextRun();
    if (run.length == 0) {
      break;
    }
    visit(run.position, run.length);
  }
}

template <typename Visit>
inline Status VisitSetBitRuns(const std::shared_ptr<Buffer>& bitmap, int64_t offset,