Class LogErrorTextAndDelete

src/brpc/protocol.h:214–221

Deleter for unique_ptr to print error_text of the controller when -log_error_text is on, then delete the controller if `delete_cntl' is true

// Deleter for unique_ptr to print error_text of the controller when
// -log_error_text is on, then delete the controller if `delete_cntl' is true
class LogErrorTextAndDelete {
public:
    explicit LogErrorTextAndDelete(bool delete_cntl = true)
        : _delete_cntl(delete_cntl) {}
    void operator()(Controller* c) const;
private:
    bool _delete_cntl;
};

// Utility to build a temporary array.
// Example: