Function HashDataBitmap

cpp/src/arrow/util/hashing_test.cc:491–498

}

hash_t HashDataBitmap(const ArraySpan& array) {
  EXPECT_EQ(array.type->id(), Type::BOOL);
  const auto& bitmap = array.buffers[1];
  return ComputeBitmapHash(bitmap.data,
                           /*seed=*/0,
                           /*bit_offset=*/array.offset,
                           /*num_bits=*/array.length);
}

std::shared_ptr<BooleanArray> BuildBooleanArray(int len, bool start) {
  // This could be memoized in the future to speed up tests.