Class Node

pyvrp/cpp/search/Route.h:122–187

     * route.
     */
    class Node
    {
        friend class Route;

        size_t loc_;    // Location represented by this node
        size_t idx_;    // Position in the route
        size_t trip_;   // Trip index.
        Route *route_;  // Indicates membership of a route, if any

    public:
        Node(size_t loc);

        /**
         * Returns the location represented by this node.
         */
        [[nodiscard]] inline size_t client() const;  // TODO rename to loc

        /**
         * Returns this node's position in a route. This value is ``0`` when
         * the node is *not* in a route.
         */
        [[nodiscard]] inline size_t idx() const;

        /**
         * Returns this node's assigned trip number.  This value is ``0`` when
         * the node is *not* in a route.
         */
        [[nodiscard]] inline size_t trip() const;

        /**
         * Returns the route this node is currently in. If the node is not in
         * a route, this returns ``None`` (C++: ``nullptr``).
         */
        [[nodiscard]] inline Route *route() const;

        /**
         * Returns whether this node is a depot.
         */
        [[nodiscard]] inline bool isDepot() const;

        /**
         * Returns whether this node is a start depot.
         */
        [[nodiscard]] inline bool isStartDepot() const;

        /**
         * Returns whether this node is an end depot.
         */
        [[nodiscard]] inline bool isEndDepot() const;

        /**
         * Returns whether this node is a reload depot.
         */
        [[nodiscard]] inline bool isReloadDepot() const;

        /**
         * Assigns the node to the given route, at the given index, in the
         * given trip.