Class TDatasetSubset

catboost/libs/data/loader.h:33–59

namespace NCB {

    struct TDatasetSubset {
        bool HasFeatures = true;
        TIndexRange<ui64> Range = {0, Max<ui64>()};

    public:
        ui64 GetSize() const { return Range.GetSize(); }

        static TDatasetSubset MakeRange(ui64 start, ui64 end) {
            return {true, {start, end}};
        }

        static TDatasetSubset MakeColumns(bool hasFeatures = true) {
            return {hasFeatures, {0u, Max<ui64>()}};
        }

        size_t GetHash() const {
            return MultiHash(HasFeatures, Range.Begin, Range.End);
        }

        bool operator==(const TDatasetSubset& rhs) const {
            return std::tie(HasFeatures, Range) == std::tie(rhs.HasFeatures, rhs.Range);
        }

        bool operator!=(const TDatasetSubset& rhs) const {
            return !(rhs == *this);
        }
    };

    struct TDatasetLoaderCommonArgs {
        TPathWithScheme PairsFilePath;