Method set_features

sdk/cpp/src/grpc_client.h:367–370

Set features with vector array format by single

    //! Set features with vector array format by single
    void set_features(const void *val, size_t val_len) override {
      knn_param_->set_batch_count(1);
      knn_param_->set_features((const char *)val, val_len);
    }

    //! Set features with vector array format by single
    void set_features(const std::vector<float> &val) override {