pitrou commented on PR #40007: URL: https://github.com/apache/arrow/pull/40007#issuecomment-1959779533
By defining a [move constructor](https://en.cppreference.com/w/cpp/language/move_constructor) and [assignment operator](https://en.cppreference.com/w/cpp/language/move_assignment), like this: ```c++ template <typename T> class TempVectorHolder { friend class TempVectorStack; public: ~TempVectorHolder() { if (stack_) { stack_->release(id_, num_elements_ * sizeof(T)); } } TempVectorHolder& operator=(TempVectorHolder&& other) { stack_ = other.stack_; other.stack_ = NULLPTR; data_ = other.data_; other.data_ = NULLPTR; id_ = other.id_; num_elements_ = other.num_elements_; return *this; } TempVectorHolder(TempVectorHolder&& other) { *this = std::move(other); } T* mutable_data() { return reinterpret_cast<T*>(data_); } private: TempVectorStack* stack_ = NULLPTR; uint8_t* data_; int id_; uint32_t num_elements_; }; ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
