Method GetEvalCounts

src/c_api.cpp:387–393

  }

  int GetEvalCounts() const {
    int ret = 0;
    for (const auto& metric : train_metric_) {
      ret += static_cast<int>(metric->GetName().size());
    }
    return ret;
  }

  int GetEvalNames(char** out_strs) const {
    int idx = 0;