Method begin

include/graph/graph.h:215–215

    int pos;
    inline void next(const graph *ref) { ++pos; }
    inline void begin(const graph *ref) { pos = 0; }
    inline void end(const graph *ref) { pos = ref->_nodes.size(); }
    inline node *&get(graph *ref) { return ref->_nodes[pos]; }
    inline const node *get(const graph *ref) { return ref->_nodes[pos]; }