Method GetBufferReader

cpp/src/arrow/buffer_test.cc:100–103

  }

  Result<std::shared_ptr<io::RandomAccessFile>> GetBufferReader(
      std::shared_ptr<Buffer> buf) override {
    return Status::NotImplemented("");
  }

  Result<std::unique_ptr<Buffer>> AllocateBuffer(int64_t size) override {
    return Status::NotImplemented("");