Class StageInstance

pdal/Stage.cpp:228–240

    // diamond-shaped pipelines.
    int stageInstanceId = 1;
    struct StageInstance
    {
        Stage *m_stage;
        int m_id;

        StageInstance(Stage *s, int id) : m_stage(s), m_id(id)
        {}
        StageInstance() : m_stage(nullptr), m_id(0)
        {}

        bool operator<(const StageInstance& other) const
        { return m_id < other.m_id; }
    };

    std::stack<StageInstance> stages;
    std::stack<StageInstance> pending;