Function LGBM_DatasetGetNumFeature

src/c_api.cpp:1060–1066

}

int LGBM_DatasetGetNumFeature(DatasetHandle handle,
                              int* out) {
  API_BEGIN();
  auto dataset = reinterpret_cast<Dataset*>(handle);
  *out = dataset->num_total_features();
  API_END();
}

int LGBM_DatasetAddFeaturesFrom(DatasetHandle target,
                                DatasetHandle source) {