Method ArrayOf

cpp/src/arrow/array/concatenate_test.cc:131–134

  }

  std::shared_ptr<Array> ArrayOf(std::shared_ptr<DataType> type, int64_t size,
                                 double null_probability) {
    return rag_.ArrayOf(std::move(type), size, null_probability);
  }

  // TODO(GH-38656): Use the random array generators from testing/random.h here