Method CreateBufferOf

cpp/src/arrow/array/util.cc:874–882

  }

  Status CreateBufferOf(const void* data, size_t data_length,
                        std::shared_ptr<Buffer>* out) {
    BufferBuilder builder(pool_);
    RETURN_NOT_OK(builder.Resize(length_ * data_length));
    for (int64_t i = 0; i < length_; ++i) {
      builder.UnsafeAppend(data, data_length);
    }
    return builder.Finish(out);
  }

  Status FinishFixedWidth(const void* data, size_t data_length) {
    std::shared_ptr<Buffer> buffer;