Function CreateNone

src/boosting/prediction_early_stop.cpp:16–23

namespace LightGBM {

PredictionEarlyStopInstance CreateNone(const PredictionEarlyStopConfig&) {
  return PredictionEarlyStopInstance{
    [](const double*, int) {
    return false;
  },
    std::numeric_limits<int>::max()  // make sure the lambda is almost never called
  };
}

PredictionEarlyStopInstance CreateMulticlass(const PredictionEarlyStopConfig& config) {
  // margin_threshold will be captured by value